The Audi A6 competes in a crowded segment, filled with excellent alternatives.
The Mercedes-Benz E-Class looks great, rides well, offers a diesel option, and its E63 AMG is insanely fast.
The BMW 5-Series comes with a similar number of configurations, but feels more like a sports sedan than the Audi.
The Infiniti Q70 is also offered in a long-wheelbase version this year, and comes with excellent handling and enough tech features to rival the Audi.
The Chrysler 300 is an all-American alternative, with better handling than the A6, and a smoking SRT performance variant.
Finally, there's the Cadillac CTS, with excellent driving dynamics, razor-sharp styling, and plenty of feature and safety tech.
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 2015 Audi A6Browse Used Listings |  2018 INFINITI Q70Browse Used Listings |  2015 BMW 5-SeriesBrowse Used Listings |  2015 Cadillac CTSBrowse Used Listings |  2015 Chrysler 300Browse Used Listings |  2015 Mercedes-Benz E ClassBrowse Used Listings |
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| Quick Specs | |||||
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The 2015 Audi A6 may look a little sedate, but it's a brilliant performer–thanks to its diesel-driven TDI, the supercharged A6, or turbocharged S6 versions. |
The 2018 Infiniti Q70 stands alone as a warm take on luxury that others have left behind. It’s not as luxurious as the others—but it’s not as expensive as those, either. |
Whether it's more of a classic sport sedan or a technology-packed tourer you seek, the 2015 BMW 5-Series fills both roles admirably. |
The 2015 Cadillac CTS sedan is a stunner–especially in V-Sport guise–and it looks great, too. |
The 2015 Chrysler 300 adds more style, features, and efficiency to an already confident, capable large family sedan. |
The 2015 Mercedes-Benz E-Class lineup is many vehicles in one, with comfort and luxury across the board and sporty manners for those who want them. |
| MSRP From | |||||
| $44,800 | $50,300 | $49,950 | $45,345 | $31,695 | $51,800 |
| Gas Mileage | |||||
| 17 MPG City / 38 MPG Hwy | 16 MPG City / 33 MPG Hwy | 14 MPG City / 38 MPG Hwy | 14 MPG City / 30 MPG Hwy | 18 MPG City / 31 MPG Hwy | 15 MPG City / 42 MPG Hwy |
| Engine | |||||
| Intercooled Turbo Premium Unleaded I-4 | Premium Unleaded V-6 | Intercooled Turbo Premium Unleaded I-4 | Turbocharged Gas I4 | Regular Unleaded V-6 | Twin Turbo Diesel I-4 |
| EPA Class | |||||
| Midsize Cars | Mid-Size Cars | Mid-Size Cars | Mid-Size | Large Cars | Midsize Cars |
| Style Name | |||||
| 4-Door Sedan FrontTrak 2.0T Premium | 3.7 LUXE RWD | 4-Door Sedan 528i RWD | 4-Door Sedan 2.0L Turbo RWD | 4-Door Sedan Limited RWD | 4-Door Sedan E 250 BlueTEC Sport 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 | |||||
| FrontTrak Sedan | Sedan | Sedan | 4 Door Sedan | Sedan | Sedan |
| Transmission | |||||
| CVT w/OD | Automatic w/OD | Automatic w/OD | Automatic | Automatic w/OD | Automatic w/OD |
| Detailed Spec Comparison | |||||
| 2015 Audi A6 vs. 2018 INFINITI Q70 | 2015 Audi A6 vs. 2015 BMW 5-Series | 2015 Audi A6 vs. 2015 Cadillac CTS | 2015 Audi A6 vs. 2015 Chrysler 300 | 2015 Audi A6 vs. 2015 Mercedes-Benz E Class | |
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