2007 Audi Q7 vs. 2005 Mercedes-Benz R
To start off, 2007 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz R would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 73 more horse power than 2007 Audi Q7. (229 HP @ 4000 RPM) In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2007 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 55 kg more than 2005 Mercedes-Benz R.
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, 2007 Audi Q7 (501 Nm @ 1750 RPM) has 40 more torque (in Nm) than 2005 Mercedes-Benz R. (461 Nm @ 2700 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R.
Compare all specifications:
| 2007 Audi Q7 | 2005 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | R |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 229 HP | 302 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 501 Nm | 461 Nm |
| Torque RPM | 1750 RPM | 2700 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 91.4 mm | 84 mm |
| Top Speed | 210 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2295 kg | 2240 kg |
| Vehicle Length | 5090 mm | 5160 mm |
| Vehicle Width | 1990 mm | 1930 mm |
| Vehicle Height | 1740 mm | 1660 mm |
| Wheelbase Size | 3010 mm | 2860 mm |
| Fuel Tank Capacity | 100 L | 80 L |
