2026 Rivian R1T All-Terrain Tri Max (20in): home charging cost in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Rivian R1T All-Terrain Tri Max (20in) (rated 49.8 kWh per 100 miles by the EPA) costs $6.66 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 58.4% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T All-Terrain Tri Max (20in) charged at home in Oklahoma costs about $999/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,404 a year.

What one full charge costs

A 2026 Rivian R1T All-Terrain Tri Max (20in) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $21.92 at 13.37¢/kWh in Oklahoma.

2026 Rivian R1T All-Terrain Tri Max (20in) in Oklahoma, ranked

This combination ranks 12,075 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Tri Max (20in) alone ranks 389 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1T All-Terrain Tri Max (20in) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Oklahoma electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Tri Max (20in)'s cost in Oklahoma. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.