2004 BMW 645 vs. 2005 Chevrolet Suburban
To start off, 2005 Chevrolet Suburban is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 5,965 cc (8 cylinders), 2005 Chevrolet Suburban is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Suburban (335 HP @ 5600 RPM) has 7 more horse power than 2004 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2005 Chevrolet Suburban should accelerate faster than 2004 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Suburban weights approximately 929 kg more than 2004 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Chevrolet Suburban is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Suburban 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, 2005 Chevrolet Suburban (509 Nm) has 59 more torque (in Nm) than 2004 BMW 645. (450 Nm). This means 2005 Chevrolet Suburban will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
| 2004 BMW 645 | 2005 Chevrolet Suburban | |
| Make | BMW | Chevrolet |
| Model | 645 | Suburban |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 335 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 509 Nm |
| Engine Bore Size | 92 mm | 102 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 9 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 2619 kg |
| Vehicle Length | 4830 mm | 5580 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1950 mm |
| Wheelbase Size | 2830 mm | 3310 mm |
| Fuel Tank Capacity | 70 L | 140 L |
