1976 BMW 630 vs. 2008 Porsche Cayman
To start off, 2008 Porsche Cayman is newer by 32 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 3,386 cc (6 cylinders), 2008 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayman (291 HP @ 6250 RPM) has 118 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 2008 Porsche Cayman should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 630 weights approximately 43 kg more than 2008 Porsche Cayman.
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, 2008 Porsche Cayman (340 Nm @ 4400 RPM) has 89 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2008 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 2008 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 630 | Cayman |
| Year Released | 1976 | 2008 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2986 cc | 3386 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 291 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 251 Nm | 340 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Bore Size | 89 mm | 96 mm |
| Engine Stroke Size | 80 mm | 78 mm |
| Engine Compression Ratio | 8.0:1 | 11.1:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1458 kg | 1415 kg |
| Vehicle Length | 4760 mm | 4350 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1310 mm |
| Wheelbase Size | 2630 mm | 2420 mm |
