2026 Tesla Model X vs 2027 Rivian R1S Quad (22in UHP)
| EPA figure | 2026 Tesla Model X | 2027 Rivian R1S Quad (22in UHP) |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | SUV · All-Wheel Drive · Electric | SUV · 4-Wheel Drive · Electric |
| EPA range | 352 mi | 338 mi |
| Combined MPGe | 105 | 71 |
| Fuel a year | $700 | $1,050 |
| Engine | 246 and 251 kW ACPM | 201 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.