With such a broad range of body styles and engine lines, the 2015 BMW 6-Series competes with an equally broad array of rivals.
The Gran Coupe might be considered a natural alternative to the Audi A7 or Mercedes-Benz CLS-Class, both of which offer similar luxury, performance, and style, albeit with a different feel.
The 6-Series coupe brings the Porsche 911, Jaguar XK, and Maserati GranTurismo to the competitive set.
While the Bimmer isn’t as serious a performance car as the 911, or as exotic as the Maserati, it certainly deserves to be mentioned in the same breath.
Mercedes-Benz’s SL-Class is the natural competition for the 6-Series convertible, as both offer tremendous panache in an open-top package.
The SL-Class does offer some advanced technology not available on the 6-Series, but the BMW is a bit sportier.
In all, the 6-Series manages a masterful balance between driver’s car and comfortable cruiser than could see it taking the place of any of these cars for the right buyer.
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 2015 BMW 6-SeriesBrowse Used Listings |  2015 Audi A7Browse Used Listings |  2015 Jaguar XKBrowse Used Listings |  2015 Mercedes-Benz SL ClassBrowse Used Listings |  2015 Porsche 911Browse Used Listings |  2015 Maserati GranTurismoBrowse Used Listings |
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Whether chosen as a coupe, convertible, or four-door Gran Coupe, the 2015 BMW 6-Series offers dynamic driving and massive style. |
The A7 is handsome no matter how you slice it, but it's the brawn S7 and brutish RS7 that really gets our blood flowing. |
While the glorious new F-type sports car might have stolen some of the limelight, the 2015 Jaguar XK lineup remains one of the most gorgeous and desirable grand-touring cars on the market. |
The 2015 Mercedes-Benz SL-Class is sportier than its predecessor, but still manages to coddle its occupants just as before. |
The 2015 Porsche 911 is an enthusiast's dream, with excellent handling, comfort, and performance at every step through its range. |
The Maserati GranTurismo looks equally good with a fixed or convertible roof and offers a Ferrari-built V-8 for those who want similar power in a different Italian wrapper. |
| MSRP From | |||||
| $76,100 | $65,900 | $84,500 | $84,000 | $84,300 | $132,825 |
| Gas Mileage | |||||
| 14 MPG City / 32 MPG Hwy | 16 MPG City / 38 MPG Hwy | 15 MPG City / 24 MPG Hwy | 14 MPG City / 27 MPG Hwy | 15 MPG City / 27 MPG Hwy | 13 MPG City / 21 MPG Hwy |
| Engine | |||||
| Intercooled Turbo Premium Unleaded I-6 | Intercooled Supercharger Premium Unleaded V-6 | Premium Unleaded V-8 | Twin Turbo Premium Unleaded V-6 | Premium Unleaded H-6 | Premium Unleaded V-8 |
| EPA Class | |||||
| Subcompact Cars | Midsize Cars | Minicompact Cars | Two Seaters | Minicompact Cars | Subcompact Cars |
| Style Name | |||||
| 2-Door Coupe 640i RWD | 4-Door HB quattro 3.0 Premium Plus | 2-Door Coupe | 2-Door Roadster SL 400 | 2-Door Coupe Carrera | 2-Door Coupe GranTurismo Sport |
| Drivetrain | |||||
| Rear Wheel Drive | All Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | |||||
| 4 | 5 | 4 | 2 | 4 | 4 |
| Passenger Doors | |||||
| N/A | N/A | N/A | N/A | N/A | N/A |
| Body Style | |||||
| Coupe | quattro Sportback | Coupe | Roadster | Coupe | Coupe |
| Transmission | |||||
| Automatic w/OD | Automatic w/OD | Automatic w/OD | Automatic w/OD | Manual w/OD | Automatic w/OD |
| Detailed Spec Comparison | |||||
| 2015 BMW 6-Series vs. 2015 Audi A7 | 2015 BMW 6-Series vs. 2015 Jaguar XK | 2015 BMW 6-Series vs. 2015 Mercedes-Benz SL Class | 2015 BMW 6-Series vs. 2015 Porsche 911 | 2015 BMW 6-Series vs. 2015 Maserati GranTurismo | |
