1974 BMW 2.8 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 32 year(s). Which means there will be less support and parts availability for 1974 BMW 2.8. In addition, the cost of maintenance, including insurance, on 1974 BMW 2.8 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 141 more horse power than 1974 BMW 2.8. (187 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1974 BMW 2.8. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 270 kg more than 1974 BMW 2.8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 BMW 645 (450 Nm @ 3600 RPM) has 155 more torque (in Nm) than 1974 BMW 2.8. (295 Nm @ 3500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 2.8.
Compare all specifications:
| 1974 BMW 2.8 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | 2.8 | 645 |
| Year Released | 1974 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3293 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 295 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1540 kg | 1810 kg |
| Vehicle Length | 4810 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2800 mm | 2790 mm |
