The Mercedes-Benz E-Class and BMW 5-Series are both natural competitors to the Audi A6 and frequently cross-shopped.
The 5-Series has better performance in base models, but its dizzying array of options can be difficult to digest.
The E-Class has more advanced powertrain options than the A6, and a new wagon version of the Mercedes mid-sizer could tempt some SUV buyers.
The Cadillac CTS can be less expensive, but its powertrain doesn't feel as smooth or refined.
The new Jaguar XF is a relaxed cruiser with excellent handling and diesel power available, though its cabin isn't as charming as the Audi's.
Finally, the Genesis G80 (known previously as the Hyundai Genesis) is an excellent sedan without much brand prestige, but tons of safety hardware and excellent rear-drive handling in V-6 form.
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 2017 Audi A6Browse Used Listings |  2017 BMW 5-SeriesBrowse Used Listings |  2017 Cadillac CTSBrowse Used Listings |  2017 Jaguar XFBrowse Used Listings |  2017 Mercedes-Benz E ClassBrowse Used Listings |  2017 Genesis G80Browse Used Listings |
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| Quick Specs | |||||
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The 2017 Audi A6 is a stellar mid-size luxury sedan; it's a bit sedate, but still good enough to compete with some flagship vehicles from other brands. |
The 2017 BMW 5-Series may do for tech sedans what turn-of-the-century 5-Series did for sport sedans. |
The 2017 Cadillac CTS-V impresses on all fronts, unseating BMW and Mercedes-Benz by offering the best combination of performance and day-to-day livability in the large luxury/sport sedan segment. |
The aluminum-bodied 2017 Jaguar XF is no lightweight when it comes to nimble handling or rear-seat space. |
With the 2017 E-Class, Mercedes-Benz is pushing the boundaries of its autonomous driving technology, and backing it up with S-Class style. |
The 2017 Genesis G80 is one of the first new cars from the nascent luxury carmaker, and it's a good leg to stand on. |
| MSRP From | |||||
| $47,600 | $51,200 | $45,995 | $48,250 | $52,150 | $41,400 |
| Gas Mileage | |||||
| 18 MPG City / 34 MPG Hwy | 15 MPG City / 34 MPG Hwy | 14 MPG City / 30 MPG Hwy | 20 MPG City / 42 MPG Hwy | 17 MPG City / 30 MPG Hwy | 15 MPG City / 28 MPG Hwy |
| Engine | |||||
| Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Premium Unleaded I-4 | Turbocharged Gas I4 | Intercooled Turbo Diesel I-4 | Intercooled Turbo Premium Unleaded I-4 | Regular Unleaded V-6 |
| EPA Class | |||||
| Midsize Cars | Midsize Cars | Mid-Size | Midsize Cars | Midsize Cars | Large Cars |
| Style Name | |||||
| 2.0 TFSI Premium FWD | 530i Sedan | 4-Door Sedan 2.0L Turbo RWD | 20d RWD | E 300 Luxury RWD Sedan | 3.8L RWD |
| Drivetrain | |||||
| Front Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | |||||
| 5 | 5 | 5 | 5 | 5 | 5 |
| Passenger Doors | |||||
| N/A | N/A | N/A | N/A | N/A | N/A |
| Body Style | |||||
| Sedan | Sedan | 4 Door Sedan | Sedan | Sedan | Sedan |
| Transmission | |||||
| Auto-Shift Manual w/OD | Automatic w/OD | Automatic | Automatic w/OD | Automatic w/OD | Automatic w/OD |
| Detailed Spec Comparison | |||||
| 2017 Audi A6 vs. 2017 BMW 5-Series | 2017 Audi A6 vs. 2017 Cadillac CTS | 2017 Audi A6 vs. 2017 Jaguar XF | 2017 Audi A6 vs. 2017 Mercedes-Benz E Class | 2017 Audi A6 vs. 2017 Genesis G80 | |
