2004 Audi RS6 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 142 more horse power than 2005 Mercedes-Benz R. (302 HP @ 4200 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2005 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 330 kg more than 2004 Audi RS6.
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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 99 more torque (in Nm) than 2005 Mercedes-Benz R. (461 Nm @ 2700 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R. 2005 Mercedes-Benz R has automatic transmission and 2004 Audi RS6 has manual transmission. 2004 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi RS6 | 2005 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | R |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 444 HP | 302 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 560 Nm | 461 Nm |
| Torque RPM | 1950 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Top Speed | 250 km/hour | 240 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1910 kg | 2240 kg |
| Vehicle Length | 4860 mm | 5160 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1400 mm | 1660 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Tank Capacity | 82 L | 80 L |
