2026 head-to-head · Small SUV
2026 Cadillac XT5 vs Mercedes-Benz GLC-Class Hybrid
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 $3.10/gal regular gas and $3.95/gal premium gas, the most efficient 2026 Cadillac XT5 (21 MPG) costs about $2,214 a year to fuel and the 2026 Mercedes-Benz GLC-Class Hybrid (27 MPG) about $2,194.
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 XT5
- Mercedes-Benz GLC-Class Hybrid
Side by side
| Cadillac XT5 | Mercedes-Benz GLC-Class Hybrid | |
|---|---|---|
| $2,214 | Your annual fuel cost | $2,194 |
| 21 MPG | Combined efficiency | 27 MPG |
| 19 MPG | City | 24 MPG |
| 26 MPG | Highway | 32 MPG |
| 423 g/mi | Tailpipe CO₂ (g/mi) | 323 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Hybrid |
| Regular gasoline | Fuel | Premium gasoline |
| 3.6L 6-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 9-speed automatic | Transmission | 9-speed automatic |
| FWD | Drivetrain | RWD |
✓ 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 XT5 vs Mercedes-Benz GLC-Class Hybrid across model years
- Cadillac XT5
- Mercedes-Benz GLC-Class Hybrid
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 114 2026 small SUVs, the Cadillac XT5 ranks 97th and the Mercedes-Benz GLC-Class Hybrid 93rd for lowest fuel cost.
The powertrains differ: the Cadillac XT5 is a conventional gas model, while the Mercedes-Benz GLC-Class Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2026 Cadillac XT5 or the 2026 Mercedes-Benz GLC-Class Hybrid?
Measured by cost to drive, the Mercedes-Benz GLC-Class Hybrid. The Cadillac XT5 is rated 21 MPG combined and the Mercedes-Benz GLC-Class Hybrid 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Cadillac XT5 vs. the Mercedes-Benz GLC-Class Hybrid per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $2,214 for the Cadillac XT5 and $2,194 for the Mercedes-Benz GLC-Class Hybrid.
Cadillac XT5 vs Mercedes-Benz GLC-Class Hybrid in other years
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