1981 BMW 745 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 27 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 44 more horse power than 2008 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 35 kg more than 1981 BMW 745.
Because 1981 BMW 745 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 80 more torque (in Nm) than 2008 Opel Vectra. (300 Nm @ 4000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 1981 BMW 745 | 2008 Opel Vectra | |
| Make | BMW | Opel |
| Model | 745 | Vectra |
| Year Released | 1981 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 3174 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 208 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 380 Nm | 300 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Top Speed | 220 km/hour | 248 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1625 kg |
| Vehicle Length | 4870 mm | 4600 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2710 mm |
| Fuel Tank Capacity | 100 L | 61 L |
