2026 Rivian R1T All-Terrain Tri Max (20in), OK Charging Cost

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.