What it costs to charge a 2026 Rivian R1T All-Terrain Tri Max (20in) in Missouri
A 2026 Rivian R1T All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at Missouri's 13.45¢/kWh residential rate that's $6.7 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 58.2% cheaper per mile than gasoline in Missouri — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Rivian R1T All-Terrain Tri Max (20in) in Missouri runs about $1,005 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,398 saved annually, at this mileage.
Cost of a full charge
$22.05 — that's what Missouri's 13.45¢/kWh rate puts on the 164 kWh a 2026 Rivian R1T All-Terrain Tri Max (20in) needs for its full 329-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Tri Max (20in) in Missouri ranks 12,164 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Tri Max (20in) ranks 389 of 400 EV models for raw efficiency, and Missouri ranks 7 of 51 for cheapest residential electricity.
Before you install a home charger in Missouri
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Line up a few Missouri electrician quotes for Level 2 install before you commit either way.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Missouri's 13.45¢/kWh rate ranks 7 of 51 states; the state rate guide lays out the full spread.