2008 Audi Q7 vs. 1998 Mercedes-Benz SL
To start off, 2008 Audi Q7 is newer by 10 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz SL would be higher. At 7,291 cc (12 cylinders), 1998 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz SL (518 HP @ 5550 RPM) has 173 more horse power than 2008 Audi Q7. (345 HP @ 6800 RPM) In normal driving conditions, 1998 Mercedes-Benz SL should accelerate faster than 2008 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi Q7 weights approximately 190 kg more than 1998 Mercedes-Benz SL.
Because 2008 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 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, 1998 Mercedes-Benz SL (766 Nm @ 4000 RPM) has 326 more torque (in Nm) than 2008 Audi Q7. (440 Nm @ 3500 RPM). This means 1998 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi Q7.
Compare all specifications:
| 2008 Audi Q7 | 1998 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SL |
| Year Released | 2008 | 1998 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 7291 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 518 HP |
| Engine RPM | 6800 RPM | 5550 RPM |
| Torque | 440 Nm | 766 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 91.5 mm |
| Engine Stroke Size | 92.8 mm | 92.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2240 kg | 2050 kg |
| Vehicle Length | 5090 mm | 4470 mm |
| Vehicle Width | 1990 mm | 1820 mm |
| Vehicle Height | 1740 mm | 1300 mm |
| Wheelbase Size | 3010 mm | 2520 mm |
| Fuel Tank Capacity | 100 L | 70 L |
