2009 Audi Q7 vs. 2010 Mercedes-Benz SL
To start off, 2010 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi Q7. In addition, the cost of maintenance, including insurance, on 2009 Audi Q7 would be higher. At 4,133 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 94 more horse power than 2010 Mercedes-Benz SL. (228 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2010 Mercedes-Benz SL.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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, 2009 Audi Q7 (760 Nm @ 2500 RPM) has 460 more torque (in Nm) than 2010 Mercedes-Benz SL. (300 Nm @ 2500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2010 Mercedes-Benz SL.
Compare all specifications:
| 2009 Audi Q7 | 2010 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SL |
| Year Released | 2009 | 2010 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 228 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 760 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 5090 mm | 4582 mm |
| Vehicle Height | 1780 mm | 1298 mm |
| Wheelbase Size | 3010 mm | 2560 mm |
| Fuel Tank Capacity | 100 L | 80 L |
