2015 head-to-head · Compact Car
2015 BMW 3 Series Hybrid vs Cadillac ATS
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 · 28 MPG
The 2015 Cadillac ATS 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 $1,860 a year to fuel (25 MPG), versus $2,116 for the 2015 BMW 3 Series Hybrid (28 MPG). That's roughly $256 a year, or about $1,280 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 3 Series Hybrid
- Cadillac ATS
Side by side
| BMW 3 Series Hybrid | Cadillac ATS | |
|---|---|---|
| $2,116 | Your annual fuel cost | $1,860 |
| 28 MPG | Combined efficiency | 25 MPG |
| 25 MPG | City | 21 MPG |
| 32 MPG | Highway | 32 MPG |
| 96 cu ft | Passenger volume | 91 cu ft |
| 10 cu ft | Cargo volume | 10 cu ft |
| 318 g/mi | Tailpipe CO₂ (g/mi) | 356 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.5L 4-cyl |
| 8-speed automatic | Transmission | 6-speed automatic |
| RWD | 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 3 Series Hybrid vs Cadillac ATS across model years
- BMW 3 Series Hybrid
- Cadillac ATS
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 3 Series Hybrid has more passenger space (96 vs. 91 cu ft).
Among 52 2015 compact cars, the BMW 3 Series Hybrid ranks 39th and the Cadillac ATS 32nd for lowest fuel cost.
The powertrains differ: the BMW 3 Series Hybrid is a full hybrid, while the Cadillac ATS is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW 3 Series Hybrid or the 2015 Cadillac ATS?
Measured by cost to drive, the Cadillac ATS. The BMW 3 Series Hybrid is rated 28 MPG combined and the Cadillac ATS 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW 3 Series Hybrid vs. the Cadillac ATS per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $2,116 for the BMW 3 Series Hybrid and $1,860 for the Cadillac ATS.
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