2004 BMW 645 vs. 1977 GMC Suburban
To start off, 2004 BMW 645 is newer by 27 year(s). Which means there will be less support and parts availability for 1977 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1977 GMC Suburban would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 221 more horse power than 1977 GMC Suburban. (101 HP @ 3600 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 1977 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1977 GMC Suburban weights approximately 485 kg more than 2004 BMW 645.
Because 1977 GMC 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, 1977 GMC 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, 2004 BMW 645 (447 Nm) has 205 more torque (in Nm) than 1977 GMC Suburban. (242 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1977 GMC Suburban.
Compare all specifications:
| 2004 BMW 645 | 1977 GMC Suburban | |
| Make | BMW | GMC |
| Model | 645 | Suburban |
| Year Released | 2004 | 1977 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 101 HP |
| Engine RPM | 7400 RPM | 3600 RPM |
| Torque | 447 Nm | 242 Nm |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1715 kg | 2200 kg |
| Vehicle Length | 4840 mm | 5480 mm |
| Vehicle Width | 1860 mm | 1950 mm |
| Vehicle Height | 1380 mm | 1800 mm |
| Wheelbase Size | 2790 mm | 3300 mm |
