1992 BMW 730 vs. 2006 Porsche Cayman
To start off, 2006 Porsche Cayman is newer by 14 year(s). Which means there will be less support and parts availability for 1992 BMW 730. In addition, the cost of maintenance, including insurance, on 1992 BMW 730 would be higher. At 2,984 cc (6 cylinders), 1992 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayman (242 HP @ 6500 RPM) has 61 more horse power than 1992 BMW 730. (181 HP @ 5800 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 1992 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 730 weights approximately 300 kg more than 2006 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, 2006 Porsche Cayman (273 Nm @ 4600 RPM) has 13 more torque (in Nm) than 1992 BMW 730. (260 Nm @ 4000 RPM). This means 2006 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 730.
Compare all specifications:
| 1992 BMW 730 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 730 | Cayman |
| Year Released | 1992 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2984 cc | 2686 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 181 HP | 242 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 260 Nm | 273 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 89 mm | 85.5 mm |
| Engine Stroke Size | 80 mm | 78 mm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1600 kg | 1300 kg |
| Vehicle Length | 4920 mm | 4350 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2420 mm |
| Fuel Tank Capacity | 90 L | 64 L |
