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The Audi A6 is most often compared to the Mercedes E-Class and BMW 5-Series.
The E-Class is also available as an off-roady wagon for interested buyers, but the sedan is more popular and comfortable.
The 5-Series is relatively old, compared to the bunch, but offers high-performance variants and a plug-in hybrid.
The Cadillac CT5 is a step smaller, but more affordable.
We expect more performance variants to come.
The Jaguar XF is handsome and available as a wagon but compromised in its interior.
The Tesla Model S is the all-electric option and it looks good, but won’t appeal to all buyers.
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 2021 Audi A6Get Your Price |  2021 Mercedes-Benz E Class |  2020 BMW 5-Series#6 in Luxury Mid-Size Cars Get Your Price |  2020 Cadillac CT5Get Your Price |  2020 Jaguar XF#4 in Wagons Get Your Price |  2020 Tesla Model S#1 in Luxury Large Cars Get Your Price |
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| Quick Specs | |||||
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The 2021 Audi A6 mid-size luxury sedan or wagon is reserved but flexible in its powertrain offerings and body styles. | The 2021 Mercedes-Benz E-Class promises better tech inside and more capability outside with the arrival of a lifted wagon. |
The 2020 BMW 5-Series is the goldilocks mid-sizer with a roundel on the hood: comfortable, powerful, and luxurious. | The 2020 Cadillac CT5 mid-size luxury sedan offers a new look—but not a new idea—for the automaker in a competitive class. |
Especially in wagon form, the 2020 Jaguar XF is an appealing luxury car for those of us not totally sold on SUVs. |
Growing old though it is, the Tesla Model S still looks and feels as fresh as when it first debuted eight years ago. |
| MSRP From | |||||
| $54,900 | N/A | $53,900 | $36,895 | $51,100 | $74,990 |
| Gas Mileage | |||||
| 18 MPG City / 32 MPG Hwy | 15 MPG City / 33 MPG Hwy | 18 MPG City / 32 MPG Hwy | 18 MPG City / 34 MPG Hwy | ||
| Engine | |||||
| Intercooled Turbo Gas/Electric I-4 | N/A | Intercooled Turbo Gas/Electric I-4 | Turbocharged Gas I4 | Intercooled Turbo Premium Unleaded I-4 | Electric |
| EPA Class | |||||
| Mid-Size Cars | N/A | Mid-Size Cars | Mid-Size | Mid-Size Cars | Large Cars |
| Style Name | |||||
| Premium Plus 45 TFSI quattro | N/A | 530e iPerformance Plug-In Hybrid | 4-Door Sedan Luxury | Sedan 25t Premium RWD | Long Range Plus AWD |
| Drivetrain | |||||
| All Wheel | N/A | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | All Wheel |
| Passenger Capacity | |||||
| 5 | N/A | 5 | 5 | 5 | 5 |
| Passenger Doors | |||||
| N/A | N/A | N/A | N/A | N/A | N/A |
| Body Style | |||||
| quattro Sedan | N/A | Sedan | Sedan | Sedan | Hatchback |
| Transmission | |||||
| Auto-Shift Manual w/OD | N/A | Automatic w/OD | Automatic | Automatic w/OD | Automatic |
| Detailed Spec Comparison | |||||
| 2021 Audi A6 vs. 2021 Mercedes-Benz E Class | 2021 Audi A6 vs. 2020 BMW 5-Series | 2021 Audi A6 vs. 2020 Cadillac CT5 | 2021 Audi A6 vs. 2020 Jaguar XF | 2021 Audi A6 vs. 2020 Tesla Model S | |
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