2027 head-to-head · Midsize & Large SUV vs Full-Size Pickup
2027 Cadillac Optiq vs Rivian R1T
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2027 Cadillac Optiq is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $867 a year to fuel (105 MPGe), versus $1,048 for the 2027 Rivian R1T (87 MPGe). That's roughly $181 a year, or about $904 over five years.
Your numbers
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Fuel cost over 10 years
- Cadillac Optiq
- Rivian R1T
Side by side
| Cadillac Optiq | Rivian R1T | |
|---|---|---|
| $867 | Your annual fuel cost | $1,048 |
| 105 MPGe | Combined efficiency | 87 MPGe |
| 117 MPGe | City | 93 MPGe |
| 93 MPGe | Highway | 80 MPGe |
| 32.1 kWh | Electricity use (kWh/100 mi) | 38.8 kWh |
| 317 mi | Driving range | 420 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 | 15 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motors (470 kW) | Engine / motor | Electric motor (264 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | Drivetrain | Part-time 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 R1T across model years
- Cadillac Optiq
- Rivian R1T
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 R1T goes farther between stops: about 420 miles on a charge, compared with 317 miles for the Cadillac Optiq.
Frequently asked questions
Which is more fuel-efficient, the 2027 Cadillac Optiq or the 2027 Rivian R1T?
Measured by cost to drive, the Cadillac Optiq. The Cadillac Optiq is rated 105 MPGe combined and the Rivian R1T 87 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Cadillac Optiq vs. the Rivian R1T per year?
At 15,000 miles a year with 18¢/kWh electricity, about $867 for the Cadillac Optiq and $1,048 for the Rivian R1T.
Which has more range?
The Rivian R1T: about 420 miles versus 317 miles.
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