2004 Audi A6 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 A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,498 cc (6 cylinders), 2008 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz R (268 HP @ 6000 RPM) has 21 more horse power than 2004 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2008 Mercedes-Benz R should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 453 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz R is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Mercedes-Benz R. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 350 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.
Compare all specifications:
| 2004 Audi A6 | 2008 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | R |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 268 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 350 Nm | 350 Nm |
| Engine Bore Size | 81 mm | 92.9 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 10.7:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1722 kg | 2175 kg |
| Vehicle Length | 4880 mm | 5180 mm |
| Vehicle Width | 1940 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1670 mm |
| Wheelbase Size | 2660 mm | 3220 mm |
| Fuel Consumption City | 13.1 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
