2009 Audi Q7 vs. 2009 Mercedes-Benz SL
To start off, both 2009 Audi Q7 and 2009 Mercedes-Benz SL were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,512 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (510 HP @ 5000 RPM) has 281 more horse power than 2009 Audi Q7. (229 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 420 kg more than 2009 Mercedes-Benz SL.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2009 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 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 330 more torque (in Nm) than 2009 Audi Q7. (500 Nm @ 1750 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2009 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SL |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5512 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 229 HP | 510 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 500 Nm | 830 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.1 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2370 kg | 1950 kg |
| Vehicle Length | 5090 mm | 4540 mm |
| Vehicle Width | 1990 mm | 1820 mm |
| Vehicle Height | 1740 mm | 1300 mm |
| Wheelbase Size | 3010 mm | 2570 mm |
| Fuel Consumption Overall | 10.5 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 100 L | 80 L |
