2007 Mercedes-Benz A vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz A would be higher. At 4,800 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (405 HP @ 6500 RPM) has 297 more horse power than 2007 Mercedes-Benz A. (108 HP @ 4200 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 2007 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 880 kg more than 2007 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2008 Porsche Cayenne will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Porsche Cayenne (678 Nm @ 3500 RPM) has 428 more torque (in Nm) than 2007 Mercedes-Benz A. (250 Nm @ 1600 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz A. 2007 Mercedes-Benz A has automatic transmission and 2008 Porsche Cayenne has manual transmission. 2008 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz A will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz A | 2008 Porsche Cayenne | |
| Make | Mercedes-Benz | Porsche |
| Model | A | Cayenne |
| Year Released | 2007 | 2008 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 405 HP |
| Engine RPM | 4200 RPM | 6500 RPM |
| Torque | 250 Nm | 678 Nm |
| Torque RPM | 1600 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 96 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 18.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 186 km/hour | 253 km/hour |
| Acceleration 0-100mph | 10.8 seconds | 6.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1345 kg | 2225 kg |
| Vehicle Length | 3840 mm | 4790 mm |
| Vehicle Width | 1770 mm | 1930 mm |
| Vehicle Height | 1600 mm | 1710 mm |
| Wheelbase Size | 2570 mm | 2860 mm |
| Fuel Consumption Overall | 5.2 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 60 L | 100 L |
