Comparison Mercedes-Benz E-class Cabrio (A207) E 500 BlueEFFICIENCY V8 (408 Hp) 7G-TRONIC PLUS & Porsche Boxster (987, facelift 2009) 2.9 (255 Hp)
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| Brand: | Mercedes-Benz | Porsche |
| Model: | E-class | Boxster |
| Generation: | E-class Cabrio (A207) | Boxster (987, facelift 2009) |
| Engine / modification: | E 500 BlueEFFICIENCY V8 (408 Hp) 7G-TRONIC PLUS | 2.9 (255 Hp) |
| Production start: | 2011 year | 2009 year |
| Production end: | 2013 year | 2012 year |
| Coupe type: | Cabriolet | Roadster |
| Num. of Doors: | 2 | 2 |
| Num. of seats: | 4 | 2 |
| Fuel consumption / economy - urban: | 13.8 l/100 km | |
| Fuel consumption / economy - extra urban: | 6.9 l/100 km | |
| Fuel consumption / economy - combined: | 9.4 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 66 l | 65 l |
| Emission standard: | Euro 5 | Euro 5 |
| CO2 emissions: | 221 g/km | |
| Power: | 408 hp | 255 hp |
| Max power in: | 5000-5750 rpm. | 7200 rpm. |
| Maximum speed: | 250 , Electronically limited km/h | 263 km/h |
| Acceleration from 0 to 100 km/h: | 5.2 sec | 5.9 sec |
| Acceleration from 0 to 200 km/h: | 22.3 sec | |
| Torque: | 600 Nm @ 1600-4750 rpm. | 290 Nm @ 4400-6000 rpm. |
| Model Engine: | M 278.922 | MA1.20 |
| Engine position: | Front, longitudinal | Middle, longitudinal |
| Engine displacement: | 4663 cm3 | 2893 cm3 |
| Engine oil capacity: | 8.5 l | 7.5 l |
| Coolant: | 23 l | |
| Fuel System: | Direct injection | |
| Maximum engine speed: | 7500 rpm. | |
| Position of cylinders: | Boxer | |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 11.5 |
| Piston Stroke: | 86 mm | 77.5 mm |
| Cylinder Bore: | 92.9 mm | 89 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 G-TRONIC PLUS | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4698 mm | 4342 mm |
| Width: | 1786 mm | 1801 mm |
| Width including mirrors: | 2015 mm | 1978 mm |
| Height: | 1398 mm | 1292 mm |
| Wheelbase: | 2760 mm | 2415 mm |
| Front track: | 1538 mm | 1490 mm |
| Rear (Back) track: | 1544 mm | 1534 mm |
| Ride height(clearance): | 127 mm | |
| Front overhang: | 855 mm | |
| Rear overhang: | 1083 mm | |
| Minimum volume of Luggage (trunk): | 300 l | 130 l |
| Maximum amount of Luggage (trunk): | 390 l | |
| Front suspension: | Independent multi-link | |
| Rear suspension: | Independent multi-link | |
| Max weight: | 2335 kg | 1635 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1845 kg | 1335 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 11.2 m | 11.1 m |
| Permitted trailer load with brakes (12%): | 1800 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Tire size: | Front wheel tires: 235/40 R18; 235/35 R19 | Front wheel tires: 205/55 ZR 17 |
| Wheel rims size: | Front wheel rims: 8J x 18; 8J x 19 | Front wheel rims: 7 J x 17 |