1975 BMW 315 vs. 2007 BMW 650
To start off, 2007 BMW 650 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 4,798 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (362 HP @ 6300 RPM) has 287 more horse power than 1975 BMW 315. (75 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 1975 BMW 315. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 630 kg more than 1975 BMW 315. 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, 2007 BMW 650 (490 Nm @ 3400 RPM) has 380 more torque (in Nm) than 1975 BMW 315. (110 Nm @ 3200 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1975 BMW 315 | 2007 BMW 650 | |
| Make | BMW | BMW |
| Model | 315 | 650 |
| Year Released | 1975 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 4798 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 362 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 110 Nm | 490 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Top Speed | 154 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1010 kg | 1640 kg |
| Vehicle Length | 4360 mm | 4830 mm |
| Vehicle Width | 1620 mm | 1380 mm |
| Vehicle Height | 1390 mm | 1860 mm |
| Wheelbase Size | 2510 mm | 2790 mm |
