2009 Chevrolet Tahoe vs. 2006 BMW 645
To start off, 2009 Chevrolet Tahoe is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 5,300 cc (8 cylinders), 2009 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 8 more horse power than 2009 Chevrolet Tahoe. (320 HP @ 5200 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2009 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Tahoe weights approximately 508 kg more than 2006 BMW 645.
Because 2009 Chevrolet Tahoe is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Chevrolet Tahoe (462 Nm @ 4200 RPM) has 12 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2009 Chevrolet Tahoe will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2009 Chevrolet Tahoe | 2006 BMW 645 | |
| Make | Chevrolet | BMW |
| Model | Tahoe | 645 |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 320 HP | 328 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 462 Nm | 450 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 8 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1692 kg |
| Vehicle Length | 5140 mm | 4830 mm |
| Vehicle Width | 2010 mm | 1860 mm |
| Vehicle Height | 1960 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2790 mm |
| Fuel Consumption Overall | 14.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 98 L | 70 L |
