2007 Jeep Grand Cherokee vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2007 Jeep Grand Cherokee would be higher. At 4,701 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 100 more horse power than 2007 Jeep Grand Cherokee. (228 HP @ 4500 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2007 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 315 kg more than 2008 BMW 645.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 645. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 40 more torque (in Nm) than 2007 Jeep Grand Cherokee. (410 Nm @ 3600 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Jeep Grand Cherokee.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 2008 BMW 645 | |
| Make | Jeep | BMW |
| Model | Grand Cherokee | 645 |
| Year Released | 2007 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4701 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 228 HP | 328 HP |
| Engine RPM | 4500 RPM | 6100 RPM |
| Torque | 410 Nm | 450 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 86.7 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 200 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10 seconds | 6.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2130 kg | 1815 kg |
| Vehicle Length | 4760 mm | 4830 mm |
| Vehicle Width | 2160 mm | 1860 mm |
| Vehicle Height | 1750 mm | 1380 mm |
| Wheelbase Size | 2790 mm | 2790 mm |
| Fuel Consumption Overall | 17.6 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 78 L | 70 L |
