2018 head-to-head · Large Car
2018 Cadillac XTS vs Genesis G80
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, the most efficient 2018 Cadillac XTS (22 MPG) costs about $2,114 a year to fuel and the 2018 Genesis G80 (22 MPG) about $2,114.
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 XTS
- Genesis G80
Side by side
| Cadillac XTS | Genesis G80 | |
|---|---|---|
| $2,114 | Your annual fuel cost | $2,114 |
| 22 MPG | Combined efficiency | 22 MPG |
| 19 MPG | City | 19 MPG |
| 28 MPG | Highway | 27 MPG |
| 104 cu ft | Passenger volume | 108 cu ft |
| 18 cu ft | Cargo volume | 15 cu ft |
| 404 g/mi | Tailpipe CO₂ (g/mi) | 414 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 3.6L 6-cyl | Engine / motor | 3.8L 6-cyl |
| 6-speed automatic | Transmission | 8-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 XTS vs Genesis G80 across model years
- Cadillac XTS
- Genesis G80
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
Per EPA interior volume figures, the Genesis G80 has more passenger space (108 vs. 104 cu ft); the Cadillac XTS has more cargo space (18 vs. 15 cu ft).
Among 31 2018 large cars, the Cadillac XTS ranks 15th and the Genesis G80 16th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2018 Cadillac XTS vs. the Genesis G80 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,114 for the Cadillac XTS and $2,114 for the Genesis G80.
Which has more cargo space?
The Cadillac XTS, with 18 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Cadillac XTS vs Genesis G80 in other years
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