1988 BMW 316 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 18 year(s). Which means there will be less support and parts availability for 1988 BMW 316. In addition, the cost of maintenance, including insurance, on 1988 BMW 316 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 242 more horse power than 1988 BMW 316. (86 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1988 BMW 316. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW 316 weights approximately 25 kg more than 2006 BMW 645.
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 323 more torque (in Nm) than 1988 BMW 316. (127 Nm @ 3900 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 316.
Compare all specifications:
| 1988 BMW 316 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | 316 | 645 |
| Year Released | 1988 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 86 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 127 Nm | 450 Nm |
| Torque RPM | 3900 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 72 mm | 82.7 mm |
| Top Speed | 177 km/hour | 250 km/hour |
| Acceleration 0-100mph | 15.6 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1815 kg |
| Vehicle Length | 4220 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2790 mm |
