2009 Audi Q7 vs. 2006 Mercedes-Benz SL
To start off, 2009 Audi Q7 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SL would be higher. At 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 226 more horse power than 2006 Mercedes-Benz SL. (268 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2006 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 780 kg more than 2006 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2006 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 (1,000 Nm @ 1750 RPM) has 650 more torque (in Nm) than 2006 Mercedes-Benz SL. (350 Nm @ 2400 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz SL.
Compare all specifications:
| 2009 Audi Q7 | 2006 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SL |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 3498 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 268 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 1000 Nm | 350 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Bore Size | 83 mm | 92.9 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 16.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 6.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2605 kg | 1825 kg |
| Vehicle Length | 5070 mm | 4540 mm |
| Vehicle Width | 2010 mm | 1830 mm |
| Vehicle Height | 1700 mm | 1320 mm |
| Wheelbase Size | 3010 mm | 2570 mm |
| Fuel Consumption Overall | 11.3 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 100 L | 80 L |
