2005 Audi A8 vs. 2008 Mercedes-Benz A
To start off, 2008 Mercedes-Benz A is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (450 HP @ 6300 RPM) has 356 more horse power than 2008 Mercedes-Benz A. (94 HP @ 5200 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2008 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 920 kg more than 2008 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 2005 Audi A8 (560 Nm) has 420 more torque (in Nm) than 2008 Mercedes-Benz A. (140 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz A.
Compare all specifications:
| 2005 Audi A8 | 2008 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | A |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1498 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 94 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 560 Nm | 140 Nm |
| Engine Bore Size | 84.1 mm | 83 mm |
| Engine Stroke Size | 90 mm | 69.2 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 2145 kg | 1225 kg |
| Vehicle Length | 5200 mm | 3840 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1550 mm |
| Wheelbase Size | 3080 mm | 2570 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.4 L/100km |
| Fuel Tank Capacity | 90 L | 54 L |
