2007 Audi A8 vs. 2005 Mercedes-Benz S
To start off, 2007 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 4,172 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (330 HP @ 6500 RPM) has 88 more horse power than 2005 Mercedes-Benz S. (242 HP @ 3000 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 5 kg more than 2007 Audi A8.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A8 (430 Nm @ 3500 RPM) has 80 more torque (in Nm) than 2005 Mercedes-Benz S. (350 Nm @ 3000 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S.
Compare all specifications:
| 2007 Audi A8 | 2005 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | S |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3723 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 330 HP | 242 HP |
| Engine RPM | 6500 RPM | 3000 RPM |
| Torque | 430 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 245 km/hour | 241 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 7.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1915 kg |
| Vehicle Length | 5190 mm | 5050 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 3080 mm | 2840 mm |
| Fuel Consumption Overall | 11.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
