2008 BMW 645 vs. 2006 Chevrolet Tahoe
To start off, 2008 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Chevrolet Tahoe. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Tahoe would be higher. At 5,359 cc (8 cylinders), 2006 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 33 more horse power than 2006 Chevrolet Tahoe. (295 HP @ 5200 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2006 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Tahoe weights approximately 665 kg more than 2008 BMW 645.
Because 2006 Chevrolet Tahoe 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, 2006 Chevrolet Tahoe 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, 2006 Chevrolet Tahoe (454 Nm @ 4000 RPM) has 4 more torque (in Nm) than 2008 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Chevrolet Tahoe will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 645.
Compare all specifications:
| 2008 BMW 645 | 2006 Chevrolet Tahoe | |
| Make | BMW | Chevrolet |
| Model | 645 | Tahoe |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 295 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 454 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92.1 mm | 96 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2355 kg |
| Vehicle Length | 4830 mm | 5060 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1950 mm |
| Wheelbase Size | 2790 mm | 2950 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
