2026 head-to-head · Midsize & Large SUV
2026 Cadillac Vistiq vs Rivian R1S
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2026 Cadillac Vistiq (86 MPGe) costs about $1,061 a year to fuel and the 2026 Rivian R1S (85 MPGe) about $1,066.
Your numbers
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Fuel cost over 10 years
- Cadillac Vistiq
- Rivian R1S
Side by side
| Cadillac Vistiq | Rivian R1S | |
|---|---|---|
| $1,061 | Your annual fuel cost | $1,066 |
| 86 MPGe | Combined efficiency | 85 MPGe |
| 93 MPGe | City | 94 MPGe |
| 78 MPGe | Highway | 77 MPGe |
| 39.3 kWh | Electricity use (kWh/100 mi) | 39.5 kWh |
| 305 mi | Driving range | 329 mi |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 11.2 hrs | Charge time at 240V | 12 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motors (375 kW) | Engine / motor | Electric motor (264 kW) |
| Single-speed | Transmission | Single-speed |
| AWD | Drivetrain | 4WD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Cadillac Vistiq vs Rivian R1S across model years
- Cadillac Vistiq
- Rivian R1S
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Rivian R1S goes farther between stops: about 329 miles on a charge, compared with 305 miles for the Cadillac Vistiq.
Among 91 2026 midsize & large SUVs, the Cadillac Vistiq ranks 16th and the Rivian R1S 17th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Cadillac Vistiq or the 2026 Rivian R1S?
Measured by cost to drive, the Cadillac Vistiq. The Cadillac Vistiq is rated 86 MPGe combined and the Rivian R1S 85 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Cadillac Vistiq vs. the Rivian R1S per year?
At 15,000 miles a year with 18¢/kWh electricity, about $1,061 for the Cadillac Vistiq and $1,066 for the Rivian R1S.
Which has more range?
The Rivian R1S: about 329 miles versus 305 miles.
Cadillac Vistiq vs Rivian R1S in other years
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