2019 head-to-head · Large Car
2019 BMW 7 Series Plug-in Hybrid vs Cadillac CT6
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 2019 BMW 7 Series Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,908 a year to fuel (64 MPGe + 27 MPG), versus $2,116 for the 2019 Cadillac CT6 (28 MPG). That's roughly $208 a year, or about $1,039 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 CT6
Side by side
| BMW 7 Series Plug-in Hybrid | Cadillac CT6 | |
|---|---|---|
| $1,908 | Your annual fuel cost | $2,116 |
| 64 MPGe + 27 MPG | Combined efficiency | 28 MPG |
| 62 MPGe / 25 MPG | City | 24 MPG |
| 68 MPGe / 29 MPG | Highway | 34 MPG |
| 52 kWh | Electricity use (kWh/100 mi) | — |
| 340 mi | Driving range | — |
| 14 mi | All-electric range | — |
| 114 cu ft | Passenger volume | 110 cu ft |
| 10 cu ft | Cargo volume | 15 cu ft |
| 214 g/mi | Tailpipe CO₂ (g/mi) | 317 g/mi |
| 8/10 | EPA fuel economy score | 6/10 |
| 9/10 | EPA greenhouse gas score | 6/10 |
| 3 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Gas |
| Premium gas + electricity | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 10-speed automatic |
| AWD | 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.
BMW 7 Series Plug-in Hybrid vs Cadillac CT6 across model years
- BMW 7 Series Plug-in Hybrid
- Cadillac CT6
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. 110 cu ft); the Cadillac CT6 has more cargo space (15 vs. 10 cu ft).
Among 30 2019 large cars, the BMW 7 Series Plug-in Hybrid ranks 8th and the Cadillac CT6 14th for lowest fuel cost.
The powertrains differ: the BMW 7 Series Plug-in Hybrid is a plug-in hybrid, while the Cadillac CT6 is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2019 BMW 7 Series Plug-in Hybrid or the 2019 Cadillac CT6?
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 CT6 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 BMW 7 Series Plug-in Hybrid vs. the Cadillac CT6 per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,908 for the BMW 7 Series Plug-in Hybrid and $2,116 for the Cadillac CT6.
Which has more cargo space?
The Cadillac CT6, with 15 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
BMW 7 Series Plug-in Hybrid vs Cadillac CT6 in other years
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