2007 Audi Q7 vs. 2004 Mercedes-Benz SL
To start off, 2007 Audi Q7 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SL would be higher. At 5,439 cc (12 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SL (493 HP @ 4200 RPM) has 264 more horse power than 2007 Audi Q7. (229 HP @ 4000 RPM) In normal driving conditions, 2004 Mercedes-Benz SL should accelerate faster than 2007 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 286 kg more than 2004 Mercedes-Benz SL.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2007 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, 2004 Mercedes-Benz SL (800 Nm) has 299 more torque (in Nm) than 2007 Audi Q7. (501 Nm). This means 2004 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7.
Compare all specifications:
| 2007 Audi Q7 | 2004 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SL |
| Year Released | 2007 | 2004 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 229 HP | 493 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 501 Nm | 800 Nm |
| Engine Bore Size | 83 mm | 82.1 mm |
| Engine Stroke Size | 91.4 mm | 87 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2295 kg | 2009 kg |
| Vehicle Length | 5090 mm | 4540 mm |
| Vehicle Width | 1990 mm | 1840 mm |
| Vehicle Height | 1740 mm | 1300 mm |
| Wheelbase Size | 3010 mm | 2570 mm |
| Fuel Tank Capacity | 100 L | 80 L |
