2007 Audi RS4 vs. 2005 Mercedes-Benz A
To start off, 2007 Audi RS4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz A would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 276 more horse power than 2005 Mercedes-Benz A. (138 HP @ 5750 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2005 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 410 kg more than 2005 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 251 more torque (in Nm) than 2005 Mercedes-Benz A. (180 Nm @ 3500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz A.
Compare all specifications:
| 2007 Audi RS4 | 2005 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | RS4 | A |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2034 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 138 HP |
| Engine RPM | 7800 RPM | 5750 RPM |
| Torque | 431 Nm | 180 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 94 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 200 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1650 kg | 1240 kg |
| Vehicle Length | 4590 mm | 3840 mm |
| Vehicle Width | 1820 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1600 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Consumption Overall | 13.6 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 63 L | 54 L |
