Massachusetts Excise Tax Calculator

Enter your vehicle's original MSRP and model year — get your annual bill estimate and a full 5-year breakdown.

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MA Excise Tax Estimator

$

Factory sticker price

On your registration

How It's Calculated

1

It's based on original MSRP — not what you paid

Massachusetts uses the manufacturer's suggested retail price from the model year, regardless of what you actually paid. Every owner of the same model year pays from the same base value.

2

The RMV applies an age-based depreciation percentage

Vehicle Age in Tax Year % of MSRP
Newer than tax year50%
Same as tax year (brand new)90%
1 year old60%
2 years old40%
3 years old25%
4+ years old10% (floor)
3

Multiply the depreciated value by 2.5%

The tax rate is $25 per $1,000 of taxable value — that's 2.5%. The minimum bill is $5 regardless of the result.

4

Bills are prorated for mid-year registrations

Register after January 1st and your first bill covers only the remaining months of the calendar year. This calculator always shows full-year estimates.

Common Questions

Where do I find my vehicle's original MSRP?
Search your vehicle's year, make, and model on NADA Guides, Edmunds, or the manufacturer's website. It's the factory sticker price — not the dealer price you negotiated or what Carfax shows.
Does the excise tax go down every year?
Yes — until year 5. Taxable value drops: 90% → 60% → 40% → 25% → 10% over the first four years. After that it stays at 10% of original MSRP indefinitely.
Can I get a refund if I sell or total my car mid-year?
Yes. File for an abatement with your local tax collector. The RMV doesn't notify the town automatically — you have to initiate it. Don't ignore the bill after you sell.
I bought a used car. Does the original MSRP still apply?
Yes. Excise tax is based on the manufacturer's original retail price in the model year — not the used price you paid.
What happens if I don't pay?
Bills more than 30 days overdue accrue interest and fees. Unpaid excise tax will eventually block your license and registration renewal at the RMV.

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