2026 · Small SUV · Gas
2026 Cadillac XT5 MPG & fuel economy
The 2026 Cadillac XT5 is a small SUV offered in 4 EPA-rated configurations. The most efficient version returns 21 MPG combined (19 city / 26 highway) on regular gasoline. Across the lineup, combined ratings range from 21 to 24 MPG. Efficiency is unchanged from the 2025 model. Among 114 small SUVs rated for 2026, it ranks 97th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2026 Cadillac XT5's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2026 Small SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
XT5 MPG across model years
Full history →4 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.6L 6-cyl · 9-speed automatic XT5 FWD |
Gas | 19 MPG | 26 MPG | 21 MPG | — | $2,214 |
| AWD · 3.6L 6-cyl · 9-speed automatic XT5 AWD |
Gas | 18 MPG | 26 MPG | 21 MPG | — | $2,214 |
| FWD · 2.0L 4-cyl turbo · 9-speed automatic XT5 FWD |
Gas | 22 MPG | 29 MPG | 24 MPG | — | $2,469 |
| AWD · 2.0L 4-cyl turbo · 9-speed automatic XT5 AWD |
Gas | 21 MPG | 27 MPG | 23 MPG | — | $2,576 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 9-speed automatic
- Drivetrain
- FWD
- Tailpipe CO₂
- 423 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2026 Cadillac XT5 vs. rivals
Compare the 2026 XT5
With any other car from any year, including other XT5 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2026 Cadillac XT5?
Up to 21 MPG combined (19 city / 26 highway); ratings range from 21 to 24 MPG depending on configuration.
What fuel does the 2026 Cadillac XT5 use?
Regular gasoline.
What is the fuel average in km/L for the 2026 Cadillac XT5?
The 2026 Cadillac XT5's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2026 Cadillac XT5 per year?
About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.