2027 head-to-head · Midsize & Large SUV
2027 Cadillac Optiq vs Rivian R2
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 2027 Cadillac Optiq (105 MPGe) costs about $867 a year to fuel and the 2027 Rivian R2 (105 MPGe) about $869.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Cadillac Optiq
- Rivian R2
Side by side
| Cadillac Optiq | Rivian R2 | |
|---|---|---|
| $867 | Your annual fuel cost | $869 |
| 105 MPGe | Combined efficiency | 105 MPGe |
| 117 MPGe | City | 114 MPGe |
| 93 MPGe | Highway | 96 MPGe |
| 32.1 kWh | Electricity use (kWh/100 mi) | 32.2 kWh |
| 317 mi | Driving range | 330 mi |
| 102 cu ft | Passenger volume | — |
| 26 cu ft | Cargo volume | — |
| 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 |
| 9.5 hrs | Charge time at 240V | 9.5 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motors (470 kW) | Engine / motor | Electric motor (300 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | 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 Optiq vs Rivian R2 across model years
- Cadillac Optiq
- Rivian R2
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 R2 goes farther between stops: about 330 miles on a charge, compared with 317 miles for the Cadillac Optiq.
Among 58 2027 midsize & large SUVs, the Cadillac Optiq ranks 5th and the Rivian R2 6th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2027 Cadillac Optiq or the 2027 Rivian R2?
Measured by cost to drive, the Cadillac Optiq. The Cadillac Optiq is rated 105 MPGe combined and the Rivian R2 105 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Cadillac Optiq vs. the Rivian R2 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $867 for the Cadillac Optiq and $869 for the Rivian R2.
Which has more range?
The Rivian R2: about 330 miles versus 317 miles.
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