2007 Audi A8 vs. 2008 Mercedes-Benz S
To start off, 2008 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 6,207 cc (8 cylinders), 2008 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz S (518 HP @ 6800 RPM) has 242 more horse power than 2007 Audi A8. (276 HP @ 6000 RPM) In normal driving conditions, 2008 Mercedes-Benz S should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz S weights approximately 179 kg more than 2007 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 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, 2008 Mercedes-Benz S (631 Nm @ 5200 RPM) has 271 more torque (in Nm) than 2007 Audi A8. (360 Nm @ 3750 RPM). This means 2008 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2008 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | S |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 6207 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 518 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 360 Nm | 631 Nm |
| Torque RPM | 3750 RPM | 5200 RPM |
| Engine Bore Size | 84.5 mm | 102.2 mm |
| Engine Stroke Size | 82.4 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1776 kg | 1955 kg |
| Vehicle Length | 5060 mm | 5080 mm |
| Vehicle Width | 1900 mm | 1480 mm |
| Vehicle Height | 1450 mm | 1880 mm |
| Wheelbase Size | 2950 mm | 3170 mm |
| Fuel Consumption | 8.6 L/100km | 13.8 L/100km |
| Fuel Consumption City | 17.1 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
