Mississippi EV Fee Calculator

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Used to calculate depreciation for ad valorem tax

5% first 15 days + 5% per 30 days, max 25%

Mississippi takes a distinctive approach to electric vehicle fees by combining an inflation-indexed annual highway privilege tax with a complex ad valorem property tax system based on vehicle value. Under Mississippi Code §27-19-21, battery electric vehicles pay a $150 annual highway privilege tax that increases each year with the Consumer Price Index—bringing the 2026 fee to approximately $190-$195 after cumulative inflation adjustments since 2020. This EV-specific tax comes on top of the standard $14 initial tag fee, $9 title fee, 5% sales tax, and an ad valorem tax calculated as 30% of your vehicle’s MSRP (reduced by depreciation) multiplied by your county’s millage rate. Unlike most states with flat registration fees, Mississippi’s ad valorem system means a $60,000 Ford F-150 Lightning can pay $800+ annually in property taxes alone, while a $25,000 Nissan Leaf might pay just $200. This comprehensive guide breaks down every component of Mississippi’s 2026 EV registration costs, explains the inflation adjustment mechanism, provides county-specific calculations, and cites the exact Mississippi Code sections governing each charge.

1. The $150 EV Highway Privilege Tax: Mississippi’s Inflation-Indexed Surcharge

Mississippi enacted its electric vehicle highway privilege tax through Mississippi Code §27-19-21, establishing a base annual fee of $150 for battery electric vehicles. Unlike many states with static EV fees, Mississippi’s law includes an automatic inflation adjustment mechanism that increases the fee annually based on the Consumer Price Index.

How the Inflation Adjustment Works

Each July 1st, the Mississippi Department of Finance and Administration certifies the prior calendar year’s CPI change, and the EV fee is multiplied by (1 + CPI percentage). Any result with cents of $0.50 or more is rounded up to the next dollar. Starting from the $150 base in 2020, the fee has grown through successive annual adjustments:

  • 2020: $150 (base year)
  • 2021: ~$152 (1.2% CPI increase)
  • 2022: ~$159 (4.7% increase)
  • 2023: ~$172 (8.0% increase)
  • 2024: ~$180 (4.1% increase)
  • 2025: ~$185-$190 (estimated 2.9% increase)
  • 2026: ~$190-$195 (projected, pending final 2025 CPI)

The exact 2026 amount depends on the official CPI figure certified by the Department of Finance and Administration. For calculation purposes in this guide, we use $190 as the estimated 2026 EV highway privilege tax.

What Qualifies as an Electric Vehicle

Under Mississippi Code §27-19-21, an “electric vehicle” is defined as a vehicle powered solely by electricity. This narrow definition means:

  • Battery electric vehicles (BEVs): Tesla Model 3, Nissan Leaf, Chevrolet Bolt—all pay the full EV tax
  • Plug-in hybrid electric vehicles (PHEVs): Pay the hybrid tax instead (see next section)
  • Conventional hybrids: Pay the hybrid tax, not the EV tax
  • Gasoline/diesel vehicles: Pay no EV or hybrid tax

The $75 Hybrid Vehicle Tax

Mississippi Code §27-19-23 imposes a separate $75 annual tax on hybrid vehicles, defined as vehicles propelled by at least two energy forms (electric and liquid fuel). This tax also adjusts annually for CPI inflation, following the same formula as the EV tax. By 2026, the hybrid tax is estimated at approximately $95-$100 after cumulative inflation adjustments.

Example 1: Tesla Model 3 EV Highway Privilege Tax

Scenario: You own a 2024 Tesla Model 3 (pure battery electric) and are renewing your registration in 2026. Calculate the EV highway privilege tax.

Vehicle Type: Battery Electric (BEV) Base EV Tax (2020): $150.00 Cumulative CPI Adjustments: 2021-2026 ────────────────────────────────────────────────── 2026 EV Highway Privilege Tax: $190.00 (Estimated based on ~27% cumulative inflation)

This $190 fee is paid annually at registration renewal and is separate from all other registration fees and taxes. The fee compensates the state for lost motor fuel tax revenue from vehicles that don’t purchase gasoline.

Example 2: Toyota Prius Prime Hybrid Tax

Scenario: You own a 2025 Toyota Prius Prime plug-in hybrid and are renewing your registration in 2026. Calculate the hybrid vehicle tax.

Vehicle Type: Plug-In Hybrid (PHEV) Base Hybrid Tax (2020): $75.00 Cumulative CPI Adjustments: 2021-2026 ────────────────────────────────────────────────── 2026 Hybrid Vehicle Tax: $97.00 (Estimated based on ~29% cumulative inflation)

Because the Prius Prime uses both electric power and gasoline, it qualifies as a hybrid rather than a pure EV. The hybrid tax of approximately $97 is roughly half the EV tax, reflecting the vehicle’s partial reliance on gasoline (and thus partial payment of motor fuel taxes).

Important: The EV and hybrid highway privilege taxes are paid every year at registration renewal, not just once. A Tesla owner will pay approximately $190 annually for as long as they own the vehicle, in addition to all standard registration fees and ad valorem taxes. This makes Mississippi’s ongoing EV ownership costs among the highest in the nation when combined with the ad valorem tax system.

References:

  • Mississippi Code §27-19-21 – Electric Vehicle Highway Privilege Tax
  • Mississippi Code §27-19-23 – Hybrid Vehicle Annual Tax
  • Mississippi Department of Finance and Administration – CPI Certification Process

2. Ad Valorem Tax: Mississippi’s Value-Based Property Tax on Vehicles

Mississippi is one of the few states that assesses an annual ad valorem (property) tax on vehicles based on their value. This tax can exceed the EV highway privilege tax for expensive vehicles and represents a significant ongoing cost of vehicle ownership.

How Ad Valorem Tax is Calculated

The ad valorem tax formula for passenger vehicles and light trucks (under 10,000 lbs gross vehicle weight) is:

Ad Valorem Tax = (30% × MSRP × Depreciation Factor) × County Millage Rate

Let’s break down each component:

  • 30% of MSRP: Mississippi assesses vehicles at 30% of their manufacturer’s suggested retail price
  • Depreciation Factor: The assessed value decreases each year as the vehicle ages, following a statutory depreciation schedule
  • County Millage Rate: Each county sets its own millage rate (mills per dollar of assessed value). Rates typically range from 40 to 60 mills (4% to 6%)
  • Minimum Assessment: Vehicles must be assessed at a minimum of $100

The 5% Legislative Tag Credit

Mississippi law provides a 5% credit on the assessed value for vehicles subject to ad valorem tax. This credit reduces your tax bill by 5% of what you would otherwise owe. For example, if your calculated ad valorem tax is $400, the tag credit reduces it to $380 (saving $20).

County Millage Rates

Millage rates vary significantly by county. A “mill” is one-tenth of one cent, so 50 mills equals 5% (0.05). Here are typical rates for major Mississippi counties:

CountyMillage RateEffective Tax Rate
Hinds (Jackson)55 mills5.5%
Harrison (Gulfport)50 mills5.0%
DeSoto (Southaven)48 mills4.8%
Rankin (Brandon)52 mills5.2%
Madison (Madison)45 mills4.5%
Lee (Tupelo)50 mills5.0%

Example 3: New Tesla Model 3 Ad Valorem Tax

Scenario: You purchase a new 2026 Tesla Model 3 with an MSRP of $45,000 in Hinds County (Jackson), which has a 55-mill rate. Calculate the first-year ad valorem tax.

MSRP: $45,000 Assessed Value (30% of MSRP): $13,500 Depreciation Factor (new): 100% (no depreciation yet) Current Assessed Value: $13,500 County Millage Rate: 55 mills (5.5%) Gross Ad Valorem Tax: $13,500 × 0.055 = $742.50 Legislative Tag Credit (5%): -$37.13 ────────────────────────────────────────────────── Net Ad Valorem Tax: $705.37 (Rounded up to $706)

The $706 ad valorem tax is paid annually and will decrease each year as the vehicle depreciates. This tax alone exceeds the $190 EV highway privilege tax by nearly four times, making it the largest annual registration cost component for expensive EVs.

Example 4: Used Nissan Leaf Ad Valorem Tax

Scenario: You purchase a 2022 Nissan Leaf (4 years old in 2026) with an original MSRP of $28,000 in DeSoto County, which has a 48-mill rate. Assume 60% depreciation (40% remaining value). Calculate the 2026 ad valorem tax.

Original MSRP: $28,000 Assessed Value (30% of MSRP): $8,400 Depreciation (4 years old): 60% (40% remaining) Current Assessed Value: $8,400 × 0.40 = $3,360 County Millage Rate: 48 mills (4.8%) Gross Ad Valorem Tax: $3,360 × 0.048 = $161.28 Legislative Tag Credit (5%): -$8.06 ────────────────────────────────────────────────── Net Ad Valorem Tax: $153.22 (Rounded up to $154)

The older, less expensive Nissan Leaf pays significantly less in ad valorem tax ($154) compared to the new Tesla ($706). However, both vehicles pay the same $190 EV highway privilege tax, making the total annual cost more equitable between expensive and economy EVs than the ad valorem tax alone would suggest.

Heavy Vehicles and Commercial Trucks

Vehicles with a gross vehicle weight exceeding 10,000 pounds do not pay ad valorem tax. Instead, they pay a weight-based highway privilege tax according to statutory tables in Mississippi Code §27-19-11. This fixed annual fee ranges from approximately $175 for lighter commercial vehicles to over $1,000 for heavy trucks, depending on weight class and age.

References:

  • Mississippi Code Title 27, Chapter 51 – Ad Valorem Taxation of Motor Vehicles
  • Mississippi Department of Revenue – Motor Vehicle Ad Valorem Taxes
  • County Tax Assessor Offices – Local Millage Rates

3. Title Fees, Tag Fees, and Administrative Charges

Beyond the EV highway privilege tax and ad valorem tax, Mississippi charges several fixed fees for vehicle registration and titling.

Title Fee ($9.00)

Mississippi charges a one-time $9.00 title fee when you transfer ownership of a vehicle or register an out-of-state vehicle in Mississippi for the first time. This fee covers the cost of issuing a new certificate of title in your name.

Tag Issuance Fee ($14.00 Initial, $12.75 Renewal)

When you first register a vehicle in Mississippi, you pay a $14.00 tag issuance fee that includes:

  • $5.00 tag fee: Cost of the physical license plate
  • $4.00 Trauma Care Fund fee: Supports the state’s trauma care system
  • $5.00 additional charges: Various administrative costs

For annual renewals, the fee drops to $12.75, which covers the registration renewal and new decals but not a new physical plate.

Summary of Fixed Fees

Fee ComponentAmountWhen Applied
Title Fee$9.00One-time at ownership transfer
Tag Issuance (Initial)$14.00First registration
Tag Renewal$12.75Annual renewal
Trauma Care Fund$4.00Included in tag fees above

References:

  • Mississippi Code §27-19-43 – License Tag Fees
  • Mississippi Department of Revenue – Motor Vehicle Titles

4. Sales Tax at Purchase

Mississippi imposes a motor vehicle sales tax at the time of purchase, with different rates depending on vehicle type and weight.

Sales Tax Rates

  • Passenger cars and light trucks (under 10,000 lbs): 5.0% of net purchase price
  • Heavy trucks and property carriers (over 10,000 lbs): 3.0% of net purchase price
  • Motorcycles: 3.0% of net purchase price
  • Trailers: 5.0% for trailers under 10,000 lbs; 3.0% for heavier trailers

Trade-In Allowance

Mississippi allows you to subtract the value of a trade-in vehicle from the purchase price before calculating sales tax. If you purchase a $50,000 EV and trade in your old vehicle for $12,000, you pay 5% sales tax on $38,000 ($1,900) rather than on the full $50,000 ($2,500), saving $600.

Example 5: Sales Tax with Trade-In

Scenario: You purchase a new 2026 Chevrolet Bolt EV for $32,000 and trade in your 2018 Honda Civic for $9,000. Calculate the Mississippi sales tax.

Purchase Price: $32,000 Trade-In Value: -$9,000 Net Taxable Amount: $23,000 Sales Tax Rate (under 10k lbs): 5.0% ────────────────────────────────────────────────── Sales Tax Due: $1,150.00 Trade-In Savings: $450.00 (5% of $9,000 trade-in value)

The $9,000 trade-in saved $450 in sales tax. Without the trade-in, you would have paid $1,600 in sales tax on the full $32,000 purchase price.

References:

  • Mississippi Code Title 27, Chapter 65 – Sales Tax on Motor Vehicles
  • Mississippi Department of Revenue – Motor Vehicle Sales Tax

5. Complete First-Year and Annual Costs

Let’s examine complete registration costs for several EV scenarios, combining all fees and taxes.

Example 6: New Tesla Model 3 Complete First-Year Cost

Scenario: You purchase a new 2026 Tesla Model 3 for $45,000 with no trade-in in Hinds County (Jackson, 55 mills). Calculate all first-year costs.

Purchase Costs: Vehicle Price: $45,000.00 Sales Tax (5%): $2,250.00 Title Fee: $9.00 Purchase Subtotal: $47,259.00 Registration Costs (First Year): Tag Issuance Fee: $14.00 Ad Valorem Tax: $706.00 (30% × $45k = $13,500; 55 mills = $742.50; less 5% credit = $706) EV Highway Privilege Tax: $190.00 Registration Subtotal: $910.00 ────────────────────────────────────────────────── Total First-Year Cost: $48,169.00 Breakdown: Vehicle + Sales Tax: $47,250.00 (98.1%) Ad Valorem Tax: $706.00 (1.5%) EV Highway Tax: $190.00 (0.4%) Title & Tag: $23.00 (0.05%)

The sales tax of $2,250 represents the largest single fee, while the ad valorem tax of $706 exceeds the EV highway privilege tax by nearly four times. Annual renewal costs (year 2 and beyond) will be approximately $909 (tag renewal $12.75 + ad valorem $706 + EV tax $190), decreasing gradually as the vehicle depreciates.

Example 7: Used Nissan Leaf Complete First-Year Cost

Scenario: You purchase a used 2022 Nissan Leaf for $25,000 with a $5,000 trade-in in DeSoto County (48 mills). Original MSRP was $28,000; vehicle is 4 years old with 40% remaining value. Calculate all first-year costs.

Purchase Costs: Vehicle Price: $25,000.00 Trade-In Value: -$5,000.00 Net Taxable Amount: $20,000.00 Sales Tax (5%): $1,000.00 Title Fee: $9.00 Purchase Subtotal: $26,009.00 Registration Costs (First Year): Tag Issuance Fee: $14.00 Ad Valorem Tax: $154.00 (30% × $28k = $8,400; 40% remaining = $3,360; 48 mills = $161.28; less 5% credit = $154) EV Highway Privilege Tax: $190.00 Registration Subtotal: $358.00 ────────────────────────────────────────────────── Total First-Year Cost: $26,367.00 Trade-In Tax Savings: $250.00 (5% of $5,000 trade-in value)

The used Nissan Leaf’s lower value results in much lower ad valorem tax ($154 vs. $706 for the new Tesla), but both vehicles pay the same $190 EV highway privilege tax. Annual renewal costs will be approximately $357 (tag $12.75 + ad valorem $154 + EV tax $190).

6. Late Penalties and Exemptions

Late Registration Penalties

Mississippi imposes escalating penalties for late vehicle registration:

  • First 15 days late: 5% penalty on the total tax due
  • Each additional 30 days: Additional 5% penalty
  • Maximum penalty: 25% of the total tax due

For example, if your total registration cost is $400 and you’re 20 days late, you pay a 10% penalty ($40), bringing your total to $440. If you’re 90+ days late, you pay the maximum 25% penalty ($100), for a total of $500.

Disabled Veteran Exemptions

Mississippi provides significant benefits for disabled veterans. Veterans with qualifying service-connected disabilities may register up to two vehicles completely exempt from ad valorem tax, highway privilege tax, and EV/hybrid surcharges. This exemption can save $800+ annually for owners of expensive EVs.

Other Exemptions

  • Government vehicles: Federal, state, and local government vehicles are exempt from all registration fees and taxes
  • Antique vehicles: Vehicles 25+ years old may qualify for special antique plates with reduced fees

References:

  • Mississippi Code §27-19-45 – Late Payment Penalties
  • Mississippi Code §27-19-47 – Disabled Veteran Exemptions

7. Comparison: EV vs. Gasoline Vehicle Costs

VehicleSales TaxTitle/TagAd ValoremEV/Hybrid TaxTotal First YearAnnual Renewal
Tesla Model 3 ($45k EV)
Hinds County, no trade		$2,250$23$706$190$3,169$909
Toyota Camry ($45k gas)
Hinds County, no trade		$2,250$23$706$0$2,979$719
Nissan Leaf ($25k EV)
DeSoto County, $5k trade		$1,000$23$154$190$1,367$357
Honda Civic ($25k gas)
DeSoto County, $5k trade		$1,000$23$154$0$1,177$167
Ford F-150 Lightning ($70k EV)
Harrison County, $15k trade		$2,750$23$998$190$3,961$1,201
Ford F-150 ($70k gas)
Harrison County, $15k trade		$2,750$23$998$0$3,771$1,011

The comparison shows that EV owners pay $190 more annually than gasoline vehicle owners of equivalent value. However, this difference is modest compared to the ad valorem tax, which can exceed $1,000 annually for expensive vehicles. The ad valorem tax affects all vehicles equally regardless of fuel type, making it the dominant cost factor in Mississippi vehicle registration.

8. Frequently Asked Questions

Why does Mississippi’s EV fee keep increasing?

Mississippi law requires the EV highway privilege tax to adjust annually for inflation using the Consumer Price Index. This automatic adjustment mechanism ensures the fee maintains its purchasing power over time. While the base fee is $150, cumulative inflation since 2020 has increased it to approximately $190-$195 by 2026.

Do plug-in hybrids pay the EV tax or the hybrid tax?

Plug-in hybrid electric vehicles (PHEVs) pay the hybrid vehicle tax (approximately $97 in 2026), not the full EV tax. Mississippi defines “electric vehicle” as a vehicle powered solely by electricity, so any vehicle with a gasoline engine—even if it can drive on electric power alone—qualifies as a hybrid rather than an EV.

How is the ad valorem tax calculated for used vehicles?

The ad valorem tax uses the vehicle’s original MSRP, not the used purchase price. Mississippi applies a depreciation schedule that reduces the assessed value each year. A 4-year-old vehicle might retain only 40% of its original assessed value, significantly lowering the annual ad valorem tax compared to a new vehicle.

Can I avoid the ad valorem tax by registering in a low-millage county?

No. You must register your vehicle in the county where you reside. Registering in a different county to avoid taxes is illegal and can result in penalties. However, if you move to a different county, your ad valorem tax will change to reflect the new county’s millage rate.

Are there any Mississippi EV purchase incentives?

Mississippi does not offer state-level EV purchase rebates or tax credits. However, federal tax credits of up to $7,500 may be available for qualifying new EVs under IRS rules. Some Mississippi utilities offer rebates for home charging equipment installation, but these are separate from registration fees.

9. Data Sources and Methodology

All fee amounts, tax rates, and statutory references in this guide are drawn from official Mississippi sources current as of 2026:

  • Mississippi Code: Title 27 (Taxation and Finance), particularly Chapters 19 (Privilege and Excise Taxes) and 51 (Ad Valorem Taxation), provides the legal foundation for all vehicle fees and taxes.
  • Mississippi Department of Revenue: The DOR publishes official fee schedules, ad valorem tax guidance, and sales tax rates for motor vehicles.
  • County Tax Assessors: Local tax assessor offices provide county-specific millage rates and administer ad valorem tax collection.
  • Mississippi Department of Finance and Administration: Certifies annual CPI adjustments for EV and hybrid highway privilege taxes.

The inflation adjustments for 2026 EV and hybrid taxes are estimates based on historical CPI data and projected 2025 inflation. Actual 2026 fees will be certified by the Department of Finance and Administration by July 1, 2026. County millage rates are subject to annual adjustment by county boards of supervisors. Always verify current rates with your county tax assessor before calculating total costs.

Primary References:

  • Mississippi Code §27-19-21 – Electric Vehicle Highway Privilege Tax
  • Mississippi Code §27-19-23 – Hybrid Vehicle Annual Tax
  • Mississippi Code §27-19-43 – License Tag Fees and Trauma Care Fund
  • Mississippi Code Title 27, Chapter 51 – Ad Valorem Taxation of Motor Vehicles
  • Mississippi Code Title 27, Chapter 65 – Motor Vehicle Sales Tax
  • Mississippi Department of Revenue – Motor Vehicle Ad Valorem Taxes
  • Mississippi Department of Revenue – Motor Vehicle Sales Tax Information
  • Mississippi Department of Finance and Administration – CPI Certification

Conclusion

Mississippi’s electric vehicle registration fee structure combines an inflation-indexed annual highway privilege tax with a complex ad valorem property tax system, creating one of the most expensive EV registration environments in the United States. The $150 base EV tax, now adjusted to approximately $190 after cumulative inflation, represents a significant annual cost. However, for expensive EVs, the ad valorem tax often exceeds the EV highway privilege tax by three to four times, making vehicle value the dominant factor in total registration costs.

A $45,000 Tesla Model 3 in Hinds County pays approximately $909 annually in registration fees and taxes ($706 ad valorem + $190 EV tax + $13 tag renewal), while a comparable $45,000 gasoline vehicle pays $719 ($706 ad valorem + $13 tag). The $190 annual difference represents the state’s compensation for lost motor fuel tax revenue. For a $70,000 Ford F-150 Lightning, annual costs exceed $1,200, with the ad valorem tax alone reaching nearly $1,000.

Understanding Mississippi’s complete fee structure—including the inflation-adjusted EV highway privilege tax, county-specific ad valorem calculations, the 5% legislative tag credit, and sales tax with trade-in allowances—allows you to budget accurately when purchasing or registering an electric vehicle in the Magnolia State. Whether you’re buying an economy Nissan Leaf or a luxury Tesla, the formulas and examples in this guide provide the tools to calculate your exact Mississippi registration costs.

Disclaimer: This guide is provided for informational purposes only and does not constitute legal or tax advice. Fee amounts and regulations are subject to change through legislative action, administrative rule-making, or annual CPI adjustments. County millage rates vary and can change annually. Always verify current fees and requirements with the Mississippi Department of Revenue or your county tax assessor before making financial decisions. The scenarios and calculations presented are illustrative examples based on estimated 2026 rates and may not reflect your specific circumstances or future fee changes.

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