2018 head-to-head · Compact Car
2018 Audi A4 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 2018 Audi A4 (31 MPG) costs about $1,911 a year to fuel and the 2018 Cadillac ATS (24 MPG) about $1,938.
Your numbers
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Fuel cost over 10 years
- Audi A4
- Cadillac ATS
Side by side
| Audi A4 | Cadillac ATS | |
|---|---|---|
| $1,911 | Your annual fuel cost | $1,938 |
| 31 MPG | Combined efficiency | 24 MPG |
| 27 MPG | City | 20 MPG |
| 37 MPG | Highway | 30 MPG |
| 92 cu ft | Passenger volume | 91 cu ft |
| 13 cu ft | Cargo volume | 10 cu ft |
| 284 g/mi | Tailpipe CO₂ (g/mi) | 376 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 |
| 7-speed dual-clutch | Transmission | 8-speed automatic |
| FWD | 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.
Audi A4 vs Cadillac ATS across model years
- Audi A4
- 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 Audi A4 has more cargo space (13 vs. 10 cu ft).
Among 44 2018 compact cars, the Audi A4 ranks 28th and the Cadillac ATS 29th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi A4 or the 2018 Cadillac ATS?
Measured by cost to drive, the Audi A4. The Audi A4 is rated 31 MPG combined and the Cadillac ATS 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi A4 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 $1,911 for the Audi A4 and $1,938 for the Cadillac ATS.
Which has more cargo space?
The Audi A4, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Audi A4 vs Cadillac ATS in other years
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