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.
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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|
|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|
|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|
|Mid-Size Cars||Mid-Size Cars||Mid-Size||Mid-Size Cars||Mid-Size Cars||Large Cars|
|2.0 TFSI Premium FWD||530i Sedan||4-Door Sedan 2.0L Turbo RWD||20d RWD||E 300 Luxury RWD Sedan||3.8L RWD|
|Front Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive|
|Sedan||Sedan||4 Door Sedan||Sedan||Sedan||Sedan|
|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|