2005 BMW 730 vs. 1991 Vector Wiegert
To start off, 2005 BMW 730 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Vector Wiegert. In addition, the cost of maintenance, including insurance, on 1991 Vector Wiegert would be higher. At 5,973 cc (8 cylinders), 1991 Vector Wiegert is equipped with a bigger engine. In terms of performance, 1991 Vector Wiegert (644 HP) has 419 more horse power than 2005 BMW 730. (225 HP) In normal driving conditions, 1991 Vector Wiegert should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 425 kg more than 1991 Vector Wiegert.
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, 1991 Vector Wiegert (854 Nm) has 354 more torque (in Nm) than 2005 BMW 730. (500 Nm). This means 1991 Vector Wiegert will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2005 BMW 730 | 1991 Vector Wiegert | |
| Make | BMW | Vector |
| Model | 730 | Wiegert |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2979 cc | 5973 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 225 HP | 644 HP |
| Torque | 500 Nm | 854 Nm |
| Engine Bore Size | 84.1 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 91.4 mm |
| Engine Compression Ratio | 18.0:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1975 kg | 1550 kg |
| Vehicle Length | 5050 mm | 4380 mm |
| Vehicle Width | 1910 mm | 2090 mm |
| Vehicle Height | 1500 mm | 1070 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
