2003 BMW 645 vs. 2006 Chevrolet Silverado
To start off, 2006 Chevrolet Silverado is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 5,359 cc (8 cylinders), 2006 Chevrolet Silverado is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 15 more horse power than 2006 Chevrolet Silverado. (295 HP @ 5200 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2006 Chevrolet Silverado.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Silverado (454 Nm @ 4000 RPM) has 4 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Chevrolet Silverado will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2006 Chevrolet Silverado | |
| Make | BMW | Chevrolet |
| Model | 645 | Silverado |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Pickup |
| 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 | 310 HP | 295 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 450 Nm | 454 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4830 mm | 5850 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1380 mm | 1810 mm |
| Wheelbase Size | 2790 mm | 3650 mm |
| Fuel Consumption | 8 L/100km | 11.4 L/100km |
| Fuel Consumption City | 16.1 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
