2019 head-to-head · Compact Car
2019 BMW 3 Series 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, the most efficient 2019 BMW 3 Series (30 MPG) costs about $1,975 a year to fuel and the 2019 Cadillac ATS (23 MPG) about $2,022.
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
- Cadillac ATS
Side by side
| BMW 3 Series | Cadillac ATS | |
|---|---|---|
| $1,975 | Your annual fuel cost | $2,022 |
| 30 MPG | Combined efficiency | 23 MPG |
| 26 MPG | City | 19 MPG |
| 36 MPG | Highway | 29 MPG |
| 94 cu ft | Passenger volume | 91 cu ft |
| 13 cu ft | Cargo volume | 10 cu ft |
| 299 g/mi | Tailpipe CO₂ (g/mi) | 396 g/mi |
| 7/10 | EPA fuel economy score | 5/10 |
| 7/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Regular gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.6L 6-cyl |
| 8-speed automatic | Transmission | 8-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 vs Cadillac ATS across model years
- BMW 3 Series
- 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 has more passenger space (94 vs. 91 cu ft); the BMW 3 Series has more cargo space (13 vs. 10 cu ft).
Among 43 2019 compact cars, the BMW 3 Series ranks 24th and the Cadillac ATS 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2019 BMW 3 Series or the 2019 Cadillac ATS?
Measured by cost to drive, the BMW 3 Series. The BMW 3 Series is rated 30 MPG combined and the Cadillac ATS 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 BMW 3 Series 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 $1,975 for the BMW 3 Series and $2,022 for the Cadillac ATS.
Which has more cargo space?
The BMW 3 Series, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
BMW 3 Series vs Cadillac ATS in other years
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