2015 head-to-head · Large Car
2015 BMW 7 Series Hybrid vs Cadillac XTS
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 3.0L 6-cyl turbo · 8-speed automatic · 25 MPG
The 2015 Cadillac XTS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, it costs about $2,214 a year to fuel (21 MPG), versus $2,370 for the 2015 BMW 7 Series Hybrid (25 MPG). That's roughly $156 a year, or about $779 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 7 Series Hybrid
- Cadillac XTS
Side by side
| BMW 7 Series Hybrid | Cadillac XTS | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,214 |
| 25 MPG | Combined efficiency | 21 MPG |
| 22 MPG | City | 18 MPG |
| 30 MPG | Highway | 28 MPG |
| 115 cu ft | Passenger volume | 104 cu ft |
| 10 cu ft | Cargo volume | 18 cu ft |
| 350 g/mi | Tailpipe CO₂ (g/mi) | 419 g/mi |
| 6/10 | EPA fuel economy score | 5/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.6L 6-cyl |
| 8-speed automatic | Transmission | 6-speed automatic |
| RWD | 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 7 Series Hybrid vs Cadillac XTS across model years
- BMW 7 Series Hybrid
- Cadillac XTS
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 BMW 7 Series Hybrid has more passenger space (115 vs. 104 cu ft); the Cadillac XTS has more cargo space (18 vs. 10 cu ft).
Among 29 2015 large cars, the BMW 7 Series Hybrid ranks 19th and the Cadillac XTS 16th for lowest fuel cost.
The powertrains differ: the BMW 7 Series Hybrid is a full hybrid, while the Cadillac XTS is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW 7 Series Hybrid or the 2015 Cadillac XTS?
Measured by cost to drive, the Cadillac XTS. The BMW 7 Series Hybrid is rated 25 MPG combined and the Cadillac XTS 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW 7 Series Hybrid vs. the Cadillac XTS per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $2,370 for the BMW 7 Series Hybrid and $2,214 for the Cadillac XTS.
Which has more cargo space?
The Cadillac XTS, with 18 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
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