2009 Audi A6 vs. 2008 Mercedes-Benz R
To start off, 2009 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz R would be higher. At 2,995 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (300 HP @ 5100 RPM) has 79 more horse power than 2008 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 1400 kg more than 2009 Audi A6.
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, 2008 Mercedes-Benz R (510 Nm @ 1600 RPM) has 90 more torque (in Nm) than 2009 Audi A6. (420 Nm @ 2500 RPM). This means 2008 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2008 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | R |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 221 HP |
| Engine RPM | 5100 RPM | 3800 RPM |
| Torque | 420 Nm | 510 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Engine Compression Ratio | 18.0:1 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 2295 kg |
| Vehicle Length | 4930 mm | 5180 mm |
| Vehicle Width | 2040 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1670 mm |
| Wheelbase Size | 2850 mm | 3220 mm |
| Fuel Consumption City | 13.1 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
