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Rivian R1S Dual-Motor (Standard Pack) vs Rivian R1T Dual-Motor: 5-year cost to own in Massachusetts

By the EVCostIQ research desk · reviewed against our public methodology · every source dated on this page

As of July 1, 2026, over 5 years in Massachusetts, the Rivian R1T Dual-Motor stays the cheaper car to own — about $83,475 vs $99,929 for the Rivian R1S Dual-Motor (Standard Pack), a $16,454 difference over 5 years. Massachusetts's electricity (29.4¢/kWh, 56% above the U.S. average) and $3.94/gal gas are fed straight into both totals. The expired federal $7,500 EV credit is not applied to either total.

Cheaper to own over 5 years · MassachusettsRivian R1T Dual-Motor · $83,475 total · $16,454 less than the Rivian R1S Dual-Motor (Standard Pack)

Rivian R1S Dual-Motor (Standard Pack) vs Rivian R1T Dual-Motor — where the money goes

5-year total cost of ownership by component, by vehicle (USD). Estimates; sources dated in the methodology.
Cost componentElectric · Rivian R1S Dual-MotorElectric · Rivian R1T Dual-Motor
Depreciation (estimated)$52,122 (52%)$40,542 (49%)
Charging / fuel$10,441 (10%)$12,791 (15%)
↳ of which charging loss12% (~$1,253)12% (~$1,535)
Maintenance$6,300 (6%)$3,660 (4%)
Insurance$17,000 (17%)$13,750 (16%)
Financing interest$13,915 (14%)$12,582 (15%)
Registration & fees$150 (0%)$150 (0%)
Total cost of ownership$99,929$83,475

The charging-loss row is the ~10–15% of electricity lost to AC charging that you pay for but never reaches the battery — we include it; most calculators don't.

When does the Rivian R1S Dual-Motor (Standard Pack) win?

Even at 30,000+ mi/yr or a 15-year hold, the Rivian R1T Dual-Motor stays cheaper here — its lower price and slower depreciation dominate. The Rivian R1S Dual-Motor (Standard Pack) is the pick mainly for reasons beyond 5-year cost (performance, emissions, HOV access, home-charging convenience).

Rivian R1S Dual-Motor (Standard Pack) vs Rivian R1T Dual-Motor, side by side

Electric

Rivian R1S Dual-Motor (Standard Pack)

5-yr total cost
$99,929
Cost / month
$1,665
Cost / mile
$1.67
MSRP
$76,990
Powertrain
Electric
Efficiency
40 kWh/100mi
Electric Lower 5-yr cost

Rivian R1T Dual-Motor

5-yr total cost
$83,475
Cost / month
$1,391
Cost / mile
$1.39
MSRP
$69,900
Powertrain
Electric
Efficiency
49 kWh/100mi
Massachusetts electricity
29.4¢/kWh EIA
Gas price (Massachusetts)
$3.94/gal AAA

Change the miles, your state & either car

Full cost breakdowns

← Rivian R1S Dual-Motor (Standard Pack) vs Rivian R1T Dual-Motor (U.S. average)

FAQ

Is the Rivian R1S Dual-Motor (Standard Pack) or the Rivian R1T Dual-Motor cheaper to own over 5 years in Massachusetts?

The Rivian R1T Dual-Motor stays the cheaper car to own — about $83,475 vs $99,929 for the Rivian R1S Dual-Motor (Standard Pack), a $16,454 difference over 5 years.

When does the Rivian R1S Dual-Motor (Standard Pack) become cheaper than the Rivian R1T Dual-Motor?

Even at 30,000+ mi/yr or a 15-year hold, the Rivian R1T Dual-Motor stays cheaper here — its lower price and slower depreciation dominate. The Rivian R1S Dual-Motor (Standard Pack) is the pick mainly for reasons beyond 5-year cost (performance, emissions, HOV access, home-charging convenience).

How much more does the Rivian R1S Dual-Motor (Standard Pack) cost to buy than the Rivian R1T Dual-Motor?

The Rivian R1S Dual-Motor (Standard Pack) starts at $76,990 — $7,090 more than the Rivian R1T Dual-Motor ($69,900). Over 5 years the ownership gap is $16,454 in favor of the Rivian R1T Dual-Motor.

Which costs less per mile — the Rivian R1S Dual-Motor (Standard Pack) or the Rivian R1T Dual-Motor?

The Rivian R1T Dual-Motor: $1.39 vs $1.67 per mile all-in ($1,391 vs $1,665 per month) in Massachusetts.