2017 head-to-head · Large Car
2017 BMW 7 Series Plug-in 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.
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 64 MPGe + 27 MPG
The 2017 BMW 7 Series Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, $3.95/gal premium gas and $3.10/gal regular gas, it costs about $1,908 a year to fuel (64 MPGe + 27 MPG), versus $2,114 for the 2017 Cadillac XTS (22 MPG). That's roughly $205 a year, or about $1,027 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 Plug-in Hybrid
- Cadillac XTS
Side by side
| BMW 7 Series Plug-in Hybrid | Cadillac XTS | |
|---|---|---|
| $1,908 | Your annual fuel cost | $2,114 |
| 64 MPGe + 27 MPG | Combined efficiency | 22 MPG |
| 62 MPGe / 25 MPG | City | 18 MPG |
| 68 MPGe / 29 MPG | Highway | 28 MPG |
| 52 kWh | Electricity use (kWh/100 mi) | — |
| 340 mi | Driving range | — |
| 14 mi | All-electric range | — |
| 114 cu ft | Passenger volume | 104 cu ft |
| 10 cu ft | Cargo volume | 18 cu ft |
| 214 g/mi | Tailpipe CO₂ (g/mi) | 412 g/mi |
| 8/10 | EPA fuel economy score | 5/10 |
| 9/10 | EPA greenhouse gas score | 5/10 |
| 3 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Gas |
| Premium gas + electricity | Fuel | Regular gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.6L 6-cyl |
| 8-speed automatic | Transmission | 6-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 7 Series Plug-in Hybrid vs Cadillac XTS across model years
- BMW 7 Series Plug-in 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 Plug-in Hybrid has more passenger space (114 vs. 104 cu ft); the Cadillac XTS has more cargo space (18 vs. 10 cu ft).
Among 30 2017 large cars, the BMW 7 Series Plug-in Hybrid ranks 8th and the Cadillac XTS 15th for lowest fuel cost.
The powertrains differ: the BMW 7 Series Plug-in Hybrid is a plug-in hybrid, while the Cadillac XTS is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2017 BMW 7 Series Plug-in Hybrid or the 2017 Cadillac XTS?
Measured by cost to drive, the BMW 7 Series Plug-in Hybrid. The BMW 7 Series Plug-in Hybrid is rated 64 MPGe + 27 MPG combined and the Cadillac XTS 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 BMW 7 Series Plug-in Hybrid vs. the Cadillac XTS per year?
At 15,000 miles a year with 18¢/kWh electricity, $3.95/gal premium gas and $3.10/gal regular gas, about $1,908 for the BMW 7 Series Plug-in Hybrid and $2,114 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).
BMW 7 Series Plug-in Hybrid vs Cadillac XTS in other years
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