Comparison Porsche 911 (997, facelift 2008) GT3 3.8 (435 Hp) & Mercedes-Benz A-class Sedan (V177) A 250 (224 Hp) DCT
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| Brand: | Porsche | Mercedes-Benz |
| Model: | 911 | A-class |
| Generation: | 911 (997, facelift 2008) | A-class Sedan (V177) |
| Engine / modification: | GT3 3.8 (435 Hp) | A 250 (224 Hp) DCT |
| Production start: | 2009 year | 2018 year |
| Production end: | 2011 year | |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2-4 | 5 |
| Fuel consumption / economy - urban: | 19.2 l/100 km | 8.0-8.2 l/100 km |
| Fuel consumption / economy - extra urban: | 9 l/100 km | 5.0-5.1 l/100 km |
| Fuel consumption / economy - combined: | 12.6 l/100 km | 6.1-6.3 l/100 km |
| Fuel consumption at Low speed (WLTP): | 6.6 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.32 | |
| Fuel tank volume: | 67 l | 43 l |
| Fuel consumption at very high speed (WLTP): | 7.4 l/100 km | |
| Emission standard: | Euro 5 | Euro 6 d |
| CO2 emissions: | 298 g/km | 139-143 g/km |
| Power: | 435 hp | 224 hp |
| Max power in: | 7600 rpm. | 5800 rpm. |
| Maximum speed: | 312 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 4.1 sec | 6.3 sec |
| CO2 emissions (WLTP): | 149-169 g/km | |
| Torque: | 430 Nm @ 6250 rpm. | 350 Nm @ 1800 rpm. |
| Model Engine: | M 97/77 | M 260.920 |
| Engine position: | Rear, longitudinal | Front, transverse |
| Engine displacement: | 3797 cm3 | 1991 cm3 |
| Engine oil capacity: | 9 l | 5.5 l |
| Coolant: | 30 l | |
| Fuel System: | Direct injection | Direct injection |
| Aspiration / Turbine: | Turbocharger | |
| Position of cylinders: | Boxer | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 12 | 10.5 |
| Piston Stroke: | 92 mm | |
| Cylinder Bore: | 83 mm | |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 7 DCT | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4460 mm | 4549 mm |
| Width: | 1808 mm | 1796 mm |
| Width including mirrors: | 1952 mm | |
| Height: | 1280 mm | 1446 mm |
| Wheelbase: | 2355 mm | 2729 mm |
| Front track: | 1567 mm | |
| Rear (Back) track: | 1567 mm | |
| Ride height(clearance): | 104 mm | |
| Approach angle: | 13.4 ° | |
| Departure angle: | 15.5 ° | |
| Ramp angle: | 9.4 ° | |
| Front overhang: | 914 mm | |
| Rear overhang: | 906 mm | |
| Minimum volume of Luggage (trunk): | 105 l | 420 l |
| Maximum amount of Luggage (trunk): | 105 l | |
| Front suspension: | McPherson | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Multi-link independent | Independent, spring multi-link with stabilizer |
| Max weight: | 1680 kg | 1995 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1395 kg | 1390 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 10.9 m | 11.0 m |
| Permitted trailer load with brakes (12%): | 1600 kg | |
| Permitted trailer load without brakes: | 730 kg | |
| Tire size: | 235/35 ZR19; 305/30 ZR19 | 205/55 R17 |
| Wheel rims size: | 8.5J x 19; 12J x 19 | 6.5J x 17 |