Rivian R1S All-Terrain Performance Dual Large Plus (20in): MPG and fuel economy by year
The EPA has rated the Rivian R1S All-Terrain Performance Dual Large Plus (20in) across 2 model years, from the 2025 Rivian R1S All-Terrain Performance Dual Large Plus (20in) through the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in). The most recent 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) returns 72 combined MPG.
Pick a year below to open the full Rivian R1S All-Terrain Performance Dual Large Plus (20in) page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Rivian R1S All-Terrain Performance Dual Large Plus (20in). Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) | 72 MPG | 76 MPG | 67 MPG | $1,050 |
| 2025 | 2025 Rivian R1S All-Terrain Performance Dual Large Plus (20in) | 72 MPG | 76 MPG | 67 MPG | $1,050 |
How the Rivian R1S All-Terrain Performance Dual Large Plus (20in) compares against the Standard Sport Utility Vehicle 4WD class
Buyers usually compare the Rivian R1S All-Terrain Performance Dual Large Plus (20in) against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Sport Utility Vehicle 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.