2007 Audi S8 vs. 2003 Jeep Grand Cherokee
To start off, 2007 Audi S8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2003 Jeep Grand Cherokee would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 249 more horse power than 2003 Jeep Grand Cherokee. (195 HP @ 4600 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2003 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 224 kg more than 2003 Jeep Grand Cherokee. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 228 more torque (in Nm) than 2003 Jeep Grand Cherokee. (312 Nm @ 3000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jeep Grand Cherokee.
Compare all specifications:
| 2007 Audi S8 | 2003 Jeep Grand Cherokee | |
| Make | Audi | Jeep |
| Model | S8 | Grand Cherokee |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 3960 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 195 HP |
| Engine RPM | 7000 RPM | 4600 RPM |
| Torque | 540 Nm | 312 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 98.4 mm |
| Engine Stroke Size | 92.8 mm | 86.7 mm |
| Engine Compression Ratio | 12.5:1 | 8.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1716 kg |
| Vehicle Length | 5070 mm | 4620 mm |
| Vehicle Width | 1900 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1770 mm |
| Wheelbase Size | 2950 mm | 2700 mm |
| Fuel Tank Capacity | 90 L | 78 L |
