2009 Audi R8 vs. 2007 Mercedes-Benz R
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz R would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 83 more horse power than 2009 Audi R8. (420 HP @ 7800 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2009 Audi R8.
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 Mercedes-Benz R (632 Nm @ 5000 RPM) has 202 more torque (in Nm) than 2009 Audi R8. (430 Nm @ 4500 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8. 2007 Mercedes-Benz R has automatic transmission and 2009 Audi R8 has manual transmission. 2009 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2007 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | R8 | R |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Minivan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 503 HP |
| Engine RPM | 7800 RPM | 6800 RPM |
| Torque | 430 Nm | 632 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4440 mm | 5160 mm |
| Vehicle Width | 1910 mm | 1930 mm |
| Vehicle Height | 1260 mm | 1670 mm |
| Wheelbase Size | 2660 mm | 3220 mm |
| Fuel Consumption | 12.4 L/100km | 14.7 L/100km |
| Fuel Consumption City | 19.6 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
