Infiniti QX80 vs Rivian R1S
The Rivian R1S is the more efficient of the two: it reaches 85 mpg combined versus 18 mpg for the Infiniti QX80, a 67 mpg advantage and costs about $3,300 less per year to fuel.
Across 4 measured categories, the Rivian R1S leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2027
Infiniti QX80
Standard Sport Utility Vehicle 4WD · 30 configurations
2022–2027
Rivian R1S
Standard Sport Utility Vehicle 4WD · 94 configurations
Head-to-head specifications
| Metric | Infiniti QX80 | Rivian R1S |
|---|---|---|
| Best combined MPG | 18 mpg | 85 mpg ✓ |
| Best city MPG | 16 mpg | 94 mpg ✓ |
| Best highway MPG | 20 mpg | 77 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $4,200 | $900 ✓ |
| Lowest CO2 output | 504 g/mi | Not available |
| Engines offered | SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight | Not available |
| Transmissions | Automatic (S9), Automatic (S7) | Automatic (A1) |
| Drivetrains | 4-Wheel Drive, Rear-Wheel Drive | 4-Wheel Drive, Part-time 4-Wheel Drive, All-Wheel Drive |
| Fuel types | Premium | Electricity |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2022–2027 |
| Configurations on record | 30 | 94 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
QX80 vs R1S: common questions
Which is better on gas, the Infiniti QX80 or the Rivian R1S?
The Rivian R1S is the more efficient of the two: it reaches 85 mpg combined versus 18 mpg for the Infiniti QX80, a 67 mpg advantage and costs about $3,300 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Rivian R1S runs about $900 a year in fuel at its most efficient configuration, versus about $4,200 for the Infiniti QX80 — a difference of roughly $3,300 per year.
What engines do the QX80 and R1S offer?
Infiniti QX80: SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight. Rivian R1S: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Infiniti QX80 and the Rivian R1S as Standard Sport Utility Vehicle 4WD, so they compete directly.
More QX80 comparisons
Comparison id: infiniti-qx80-vs-rivian-r1s