2009 Audi S8 vs. 2012 Mercedes-Benz R
To start off, 2012 Mercedes-Benz R is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi S8. In addition, the cost of maintenance, including insurance, on 2009 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2009 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi S8 (450 HP @ 7000 RPM) has 263 more horse power than 2012 Mercedes-Benz R. (187 HP @ 3800 RPM). In normal driving conditions, 2009 Audi S8 should accelerate faster than 2012 Mercedes-Benz R.
Both vehicles are all wheel drive (AWD) - 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, 2009 Audi S8 (540 Nm @ 3500 RPM) has 100 more torque (in Nm) than 2012 Mercedes-Benz R. (440 Nm @ 1400 RPM). This means 2009 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz R.
Compare all specifications:
| 2009 Audi S8 | 2012 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | R |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2987 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 187 HP |
| Engine RPM | 7000 RPM | 3800 RPM |
| Torque | 540 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.1 seconds | 9.5 seconds |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5070 mm | 5156 mm |
| Vehicle Width | 1900 mm | 1958 mm |
| Vehicle Height | 1430 mm | 1661 mm |
| Wheelbase Size | 2950 mm | 3216 mm |
| Fuel Tank Capacity | 90 L | 80 L |
