2006 BMW M5 vs. 1991 Vector Wiegert
To start off, 2006 BMW M5 is newer by 15 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 144 more horse power than 2006 BMW M5. (500 HP) In normal driving conditions, 1991 Vector Wiegert should accelerate faster than 2006 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW M5 weights approximately 205 kg more than 1991 Vector Wiegert.
Because 2006 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Vector Wiegert. In wet, icy, snow, or gravel driving conditions, 2006 BMW M5 will offer significantly more control. 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 335 more torque (in Nm) than 2006 BMW M5. (519 Nm). This means 1991 Vector Wiegert will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW M5. 1991 Vector Wiegert has automatic transmission and 2006 BMW M5 has manual transmission. 2006 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Vector Wiegert will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW M5 | 1991 Vector Wiegert | |
| Make | BMW | Vector |
| Model | M5 | Wiegert |
| Year Released | 2006 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4998 cc | 5973 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 644 HP |
| Torque | 519 Nm | 854 Nm |
| Engine Compression Ratio | 12.0:1 | 8.0:1 |
| Top Speed | 245 km/hour | 352 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1755 kg | 1550 kg |
| Vehicle Length | 4860 mm | 4380 mm |
| Vehicle Width | 1850 mm | 2090 mm |
| Vehicle Height | 1470 mm | 1070 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
