2009 Audi Q7 vs. 1998 Mercedes-Benz S
To start off, 2009 Audi Q7 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz S would be higher. At 5,786 cc (12 cylinders), 1998 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz S (362 HP @ 5500 RPM) has 125 more horse power than 2009 Audi Q7. (237 HP @ 4000 RPM) In normal driving conditions, 1998 Mercedes-Benz S should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 330 kg more than 1998 Mercedes-Benz S.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercedes-Benz S. 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 (550 Nm @ 2000 RPM) has 20 more torque (in Nm) than 1998 Mercedes-Benz S. (530 Nm @ 4250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz S.
Compare all specifications:
| 2009 Audi Q7 | 1998 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | S |
| Year Released | 2009 | 1998 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5786 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 237 HP | 362 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 550 Nm | 530 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 83.1 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 87 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Acceleration 0-100mph | 8.5 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2370 kg | 2040 kg |
| Vehicle Length | 5090 mm | 5160 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 3090 mm |
| Fuel Consumption Overall | 9.8 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 100 L | 88 L |
