1972 BMW 520 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 33 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 2,171 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 25 more horse power than 2005 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 1972 BMW 520 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 78 kg more than 1972 BMW 520.
Because 1972 BMW 520 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 1972 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Vectra (270 Nm @ 1500 RPM) has 80 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1972 BMW 520 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | 520 | Vectra |
| Year Released | 1972 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 150 HP | 125 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 190 Nm | 270 Nm |
| Torque RPM | 4200 RPM | 1500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 66 mm | 98 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Top Speed | 211 km/hour | 206 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 11.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1445 kg | 1523 kg |
| Vehicle Length | 4630 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 9.2 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 80 L | 61 L |
