The 2015 Cadillac ATS coupe and sedan represent Cadillac’s best effort yet to challenge the German luxury stalwarts on their home turf.
BMW’s 3-Series is a touch softer and larger than it once was, and the ATS is a tick nicer inside, too.
The Audi A4 is slower and softer than the ATS, though its Google Earth and Audi Connect elements give it an edge on the tech front.
Mercedes-Benz’s C-Class has perhaps the best interior available in the segment thanks to its latest redesign, but lacks some of the performance punch of the ATS.
Infiniti’s Q50 and Q40 sedans offer even more dramatic styling than the ATS, as well as impressive performance, but lack some of the technology and refinement of the Cadillac.
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 2015 Cadillac ATSBrowse Used Listings |  2015 Audi A4Browse Used Listings |  2015 BMW 3-SeriesBrowse Used Listings |  2015 INFINITI Q50Browse Used Listings |  2015 Mercedes-Benz C ClassBrowse Used Listings |
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| Quick Specs | ||||
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The 2015 Cadillac ATS hits all the right marks in handling, performance, quality, comfort, and technology. |
The 2015 Audi A4 and S4 sedans are tech-laden, trim, handsome alternatives to the other expected German cars, as well as one very good American one. |
The 2015 BMW 3-Series lineup is a sport sedan at heart, but with Sports Wagon and Gran Turismo (hatchback) models, it's a lot more than that. |
The 2015 Infiniti Q50 continues as a more luxurious successor to the fabled G sedan, although in some forms it loses part of the enthusiast flavor of that model. |
Forget this model's recent past; the 2015 Mercedes-Benz C-Class takes a half-step up in size and a full step ahead of its peer set in sophistication -- and it's now one very charming luxury car. |
| MSRP From | ||||
| $33,215 | $35,500 | $32,950 | $37,150 | $38,400 |
| Gas Mileage | ||||
| 18 MPG City / 33 MPG Hwy | 17 MPG City / 32 MPG Hwy | 17 MPG City / 45 MPG Hwy | 19 MPG City / 36 MPG Hwy | 13 MPG City / 34 MPG Hwy |
| Engine | ||||
| Gas I4 | Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Premium Unleaded I-4 | Premium Unleaded V-6 | Intercooled Turbo Premium Unleaded I-4 |
| EPA Class | ||||
| Compact | Compact Cars | Compact Cars | Midsize Cars | Compact Cars |
| Style Name | ||||
| 4-Door Sedan 2.5L Standard RWD | 4-Door Sedan CVT FrontTrak 2.0T Premium | 4-Door Sedan 320i RWD | 4-Door Sedan RWD | 4-Door Sedan C 300 Luxury RWD |
| Drivetrain | ||||
| Rear Wheel Drive | Front Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | ||||
| 5 | 5 | 5 | 5 | 5 |
| Passenger Doors | ||||
| 4 | N/A | N/A | N/A | N/A |
| Body Style | ||||
| Sedan | FrontTrak Sedan | Sedan | Sedan | Sedan |
| Transmission | ||||
| Automatic | CVT w/OD | Automatic w/OD | Automatic w/OD | Automatic w/OD |
| Detailed Spec Comparison | ||||
| 2015 Cadillac ATS vs. 2015 Audi A4 | 2015 Cadillac ATS vs. 2015 BMW 3-Series | 2015 Cadillac ATS vs. 2015 INFINITI Q50 | 2015 Cadillac ATS vs. 2015 Mercedes-Benz C Class | |
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