2008 BMW 645 vs. 2003 Jeep Grand Cherokee
To start off, 2008 BMW 645 is newer by 5 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 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 133 more horse power than 2003 Jeep Grand Cherokee. (195 HP @ 3800 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2003 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jeep Grand Cherokee weights approximately 74 kg more than 2008 BMW 645.
Let's talk about torque, 2008 BMW 645 (450 Nm @ 3600 RPM) has 138 more torque (in Nm) than 2003 Jeep Grand Cherokee. (312 Nm @ 3000 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jeep Grand Cherokee.
Compare all specifications:
| 2008 BMW 645 | 2003 Jeep Grand Cherokee | |
| Make | BMW | Jeep |
| Model | 645 | Grand Cherokee |
| Year Released | 2008 | 2003 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3966 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 195 HP |
| Engine RPM | 6100 RPM | 3800 RPM |
| Torque | 450 Nm | 312 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 92.1 mm | 99 mm |
| Engine Stroke Size | 82.7 mm | 87 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1764 kg |
| Vehicle Length | 4830 mm | 4610 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1770 mm |
| Wheelbase Size | 2790 mm | 2700 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 78 L |
