2021 head-to-head · Small SUV
2021 BMW X4 vs Cadillac XT4
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 2021 Cadillac XT4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,370 for the 2021 BMW X4 (25 MPG). That's roughly $91 a year, or about $456 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW X4
- Cadillac XT4
Side by side
| BMW X4 | Cadillac XT4 | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,279 |
| 25 MPG | Combined efficiency | 26 MPG |
| 23 MPG | City | 24 MPG |
| 29 MPG | Highway | 30 MPG |
| — | Passenger volume | 101 cu ft |
| — | Cargo volume | 22 cu ft |
| 351 g/mi | Tailpipe CO₂ (g/mi) | 336 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| AWD | Drivetrain | FWD |
✓ 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.
BMW X4 vs Cadillac XT4 across model years
- BMW X4
- Cadillac XT4
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
Among 92 2021 small SUVs, the BMW X4 ranks 77th and the Cadillac XT4 73rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 BMW X4 or the 2021 Cadillac XT4?
Measured by cost to drive, the Cadillac XT4. The BMW X4 is rated 25 MPG combined and the Cadillac XT4 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 BMW X4 vs. the Cadillac XT4 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the BMW X4 and $2,279 for the Cadillac XT4.
BMW X4 vs Cadillac XT4 in other years
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