2009 Audi R8 vs. 2005 Mercedes-Benz S
To start off, 2009 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 5,439 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 155 more horse power than 2005 Mercedes-Benz S. (363 HP @ 6100 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 405 kg more than 2009 Audi R8.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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, both vehicles can yield 530 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2005 Mercedes-Benz S 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. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2005 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | R8 | S |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 5204 cc | 5439 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 518 HP | 363 HP |
| Engine RPM | 8000 RPM | 6100 RPM |
| Torque | 530 Nm | 530 Nm |
| Torque RPM | 6500 RPM | 3150 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 316 km/hour | 250 km/hour |
| Acceleration 0-100mph | 3.9 seconds | 4.8 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1985 kg |
| Vehicle Length | 4440 mm | 5050 mm |
| Vehicle Width | 1940 mm | 1860 mm |
| Vehicle Height | 1260 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption Overall | 14.7 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 75 L | 88 L |
