2008 BMW 645 vs. 2006 Chevrolet Cobalt
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 Cobalt. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Cobalt would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 183 more horse power than 2006 Chevrolet Cobalt. (145 HP @ 5600 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2006 Chevrolet Cobalt. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Cobalt weights approximately 60 kg more than 2008 BMW 645.
Because 2008 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 Chevrolet Cobalt, being front wheel drive (FWD), will offer much better control with better grip. 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 239 more torque (in Nm) than 2006 Chevrolet Cobalt. (211 Nm @ 4000 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Cobalt.
Compare all specifications:
| 2008 BMW 645 | 2006 Chevrolet Cobalt | |
| Make | BMW | Chevrolet |
| Model | 645 | Cobalt |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 145 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 211 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92.1 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 94 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1750 kg |
| Vehicle Length | 4830 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2630 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 70 L | 49 L |
