2026 Rivian R1S Quad Max (22in UHP) vs 2026 Tesla Model X
| EPA figure | 2026 Rivian R1S Quad Max (22in UHP) | 2026 Tesla Model X |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | SUV · 4-Wheel Drive · Electric | SUV · All-Wheel Drive · Electric |
| EPA range | 338 mi | 352 mi |
| Combined MPGe | 71 | 105 |
| Fuel a year | $1,050 | $700 |
| Engine | 201 kW ACPM | 246 and 251 kW ACPM |
| Transmission | Automatic (A1) | Automatic (A1) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.