2021 head-to-head · Midsize Car
2021 BMW 5 Series Hybrid vs Cadillac CT5
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 BMW 5 Series Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,279 for the 2021 Cadillac CT5 (26 MPG). That's roughly $84 a year, or about $422 over five years.
Your numbers
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Fuel cost over 10 years
- BMW 5 Series Hybrid
- Cadillac CT5
Side by side
| BMW 5 Series Hybrid | Cadillac CT5 | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,279 |
| 27 MPG | Combined efficiency | 26 MPG |
| 23 MPG | City | 23 MPG |
| 32 MPG | Highway | 32 MPG |
| 99 cu ft | Passenger volume | 99 cu ft |
| 14 cu ft | Cargo volume | 13 cu ft |
| 330 g/mi | Tailpipe CO₂ (g/mi) | 337 g/mi |
| 6/10 | EPA fuel economy score | 5/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | 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 5 Series Hybrid vs Cadillac CT5 across model years
- BMW 5 Series Hybrid
- Cadillac CT5
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 5 Series Hybrid has more cargo space (14 vs. 13 cu ft).
Among 54 2021 midsize cars, the BMW 5 Series Hybrid ranks 35th and the Cadillac CT5 39th for lowest fuel cost.
The powertrains differ: the BMW 5 Series Hybrid is a full hybrid, while the Cadillac CT5 is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 BMW 5 Series Hybrid or the 2021 Cadillac CT5?
Measured by cost to drive, the BMW 5 Series Hybrid. The BMW 5 Series Hybrid is rated 27 MPG combined and the Cadillac CT5 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 BMW 5 Series Hybrid vs. the Cadillac CT5 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the BMW 5 Series Hybrid and $2,279 for the Cadillac CT5.
Which has more cargo space?
The BMW 5 Series Hybrid, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
BMW 5 Series Hybrid vs Cadillac CT5 in other years
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