2004 Audi A8 vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 6,208 cc (8 cylinders), 2008 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz R (503 HP @ 6800 RPM) has 173 more horse power than 2004 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2008 Mercedes-Benz R should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 545 kg more than 2004 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 Mercedes-Benz R (630 Nm @ 5200 RPM) has 200 more torque (in Nm) than 2004 Audi A8. (430 Nm @ 3500 RPM). This means 2008 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2008 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | R |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 503 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 430 Nm | 630 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5.1 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 | 1830 kg | 2375 kg |
| Vehicle Length | 5190 mm | 5160 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1640 mm |
| Wheelbase Size | 3080 mm | 3220 mm |
| Fuel Consumption Overall | 11.9 L/100km | 16.5 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
