While the current-generation Mercedes-Benz SL models look (and sound) edgier than their predecessors, they remain models that speak more as world-class touring convertibles than sports cars or brash sport coupes.
The Maserati GranTurismo and Aston Martin Vantage are the beauties of the group, attractive when in motion and parked.
The Maserati also has a usable back seat, and there's legitimate power in both cars–especially in the top-shelf V12 Vantage.
The SL has seen some competition from the BMW 6-Series, which is offered in both coupe and convertible models, as well as a high-performance M6 edition to take on Mercedes' AMG models.
For true sports car performance, the Porsche 911 is available with coupe or convertible body styles, rear- and all-wheel-drive, and several levels of power and handling.
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 2017 Mercedes-Benz SL ClassBrowse Used Listings |  2017 BMW 6-SeriesBrowse Used Listings |  2017 Jaguar F-TypeBrowse Used Listings |  2017 Porsche 911Browse Used Listings |  2017 Maserati GranTurismoBrowse Used Listings |
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| Quick Specs | ||||
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The 2017 Mercedes-Benz SL-Class isn't quite a sports car, but it's a rapid, open-air touring coupe extraordinaire. |
The 2017 BMW 6-Series is a luxurious jack of all trades (speed, style, comfort, and quality) but a master of one: grand touring. |
The 2017 Jaguar F-Type clips the sports-car apex, with extreme performance meets extremely good looks. |
The 2017 Porsche 911 is a toe into the waters of modernity with a base turbo engine that gets good fuel economy. Don't be fooled; it's every bit the super car it always has been. |
The 2017 Maserati GranTurismo is getting old but its Ferrari-inspired performance and sensuous styling and still appealing. |
| MSRP From | ||||
| $86,950 | $77,600 | $61,400 | $89,400 | $132,825 |
| Gas Mileage | ||||
| 13 MPG City / 28 MPG Hwy | 14 MPG City / 30 MPG Hwy | 15 MPG City / 28 MPG Hwy | 18 MPG City / 29 MPG Hwy | 13 MPG City / 21 MPG Hwy |
| Engine | ||||
| Twin Turbo Premium Unleaded V-6 | Intercooled Turbo Premium Unleaded I-6 | Intercooled Supercharger Premium Unleaded V-6 | Twin Turbo Premium Unleaded H-6 | Premium Unleaded V-8 |
| EPA Class | ||||
| Two Seaters | Subcompact Cars | Two Seaters | Minicompact Cars | Subcompact Cars |
| Style Name | ||||
| SL 450 Roadster | 640i Coupe | Coupe Manual | Carrera Coupe | Sport 4.7L |
| Drivetrain | ||||
| Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | ||||
| 2 | 4 | 2 | 4 | 4 |
| Passenger Doors | ||||
| N/A | N/A | N/A | N/A | N/A |
| Body Style | ||||
| Roadster | Coupe | Coupe | Coupe | Coupe |
| Transmission | ||||
| Automatic w/OD | Automatic w/OD | Manual w/OD | Manual w/OD | Automatic w/OD |
| Detailed Spec Comparison | ||||
| 2017 Mercedes-Benz SL Class vs. 2017 BMW 6-Series | 2017 Mercedes-Benz SL Class vs. 2017 Jaguar F-Type | 2017 Mercedes-Benz SL Class vs. 2017 Porsche 911 | 2017 Mercedes-Benz SL Class vs. 2017 Maserati GranTurismo | |
