2009 Mercedes-Benz A vs. 2005 Porsche 911
To start off, 2009 Mercedes-Benz A is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 364 more horse power than 2009 Mercedes-Benz A. (81 HP @ 4200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 264 kg more than 2009 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 440 more torque (in Nm) than 2009 Mercedes-Benz A. (180 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A.
Compare all specifications:
| 2009 Mercedes-Benz A | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | A | 911 |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1991 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 81 HP | 445 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 180 Nm | 620 Nm |
| Engine Bore Size | 83 mm | 100 mm |
| Engine Stroke Size | 92 mm | 76 mm |
| Engine Compression Ratio | 18.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1326 kg | 1590 kg |
| Vehicle Length | 3840 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1600 mm | 1300 mm |
| Wheelbase Size | 2570 mm | 2360 mm |
| Fuel Consumption Overall | 4.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 54 L | 63 L |
