What it costs to charge a 2026 Rivian R1S All-Terrain Tri Max (20in) in Michigan

A 2026 Rivian R1S All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at Michigan's 21.14¢/kWh residential rate that's $10.54 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 34.2% cheaper per mile than gasoline in Michigan — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S All-Terrain Tri Max (20in) in Michigan runs about $1,580 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $823 saved annually, at this mileage.

Cost of a full charge

$34.66 — that's what Michigan's 21.14¢/kWh rate puts on the 164 kWh a 2026 Rivian R1S All-Terrain Tri Max (20in) needs for its full 329-mile EPA range.

2026 Rivian R1S All-Terrain Tri Max (20in) in Michigan, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Tri Max (20in) in Michigan ranks 17,935 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Tri Max (20in) ranks 388 of 400 EV models for raw efficiency, and Michigan ranks 38 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S All-Terrain Tri Max (20in) at home

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.

Ask a licensed Michigan electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 21.14¢/kWh, Michigan sits in the middle of the national range — the guide to why charging cost varies by state shows where.