2007 Audi A8 vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R 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 5,997 cc, 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 6200 RPM) has 257 more horse power than 2008 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 255 kg more than 2007 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (580 Nm @ 4000 RPM) has 140 more torque (in Nm) than 2008 Mercedes-Benz R. (440 Nm @ 1400 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz R.
Compare all specifications:
| 2007 Audi A8 | 2008 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | R |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 2987 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 187 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90.2 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 17.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 10.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1995 kg | 2250 kg |
| Vehicle Length | 5070 mm | 4940 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1670 mm |
| Wheelbase Size | 3080 mm | 2990 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
