2003 BMW 645 vs. 2004 Chevrolet Avalanche
To start off, 2004 Chevrolet Avalanche is newer by 1 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 5,326 cc (8 cylinders), 2004 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 42 more horse power than 2004 Chevrolet Avalanche. (283 HP @ 5200 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2004 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2004 Chevrolet Avalanche weights approximately 490 kg more than 2003 BMW 645.
Because 2004 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2004 Chevrolet Avalanche 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 10 more torque (in Nm) than 2004 Chevrolet Avalanche. (440 Nm @ 4000 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Chevrolet Avalanche. 2004 Chevrolet Avalanche has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Chevrolet Avalanche will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2004 Chevrolet Avalanche | |
| Make | BMW | Chevrolet |
| Model | 645 | Avalanche |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5326 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 283 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 440 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 2180 kg |
| Vehicle Length | 4830 mm | 5640 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1380 mm | 1870 mm |
| Wheelbase Size | 2890 mm | 3310 mm |
| Fuel Tank Capacity | 70 L | 117 L |
