1975 BMW 1502 vs. 1988 Opel Vectra
To start off, 1988 Opel Vectra is newer by 13 year(s). Which means there will be less support and parts availability for 1975 BMW 1502. In addition, the cost of maintenance, including insurance, on 1975 BMW 1502 would be higher. At 1,686 cc (4 cylinders), 1988 Opel Vectra is equipped with a bigger engine. In terms of performance, 1988 Opel Vectra (82 HP @ 4400 RPM) has 9 more horse power than 1975 BMW 1502. (73 HP @ 5800 RPM) In normal driving conditions, 1988 Opel Vectra should accelerate faster than 1975 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1988 Opel Vectra weights approximately 163 kg more than 1975 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 1502 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 1975 BMW 1502. However, in wet, icy, snow, or gravel driving conditions, 1988 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, 1988 Opel Vectra (168 Nm @ 2400 RPM) has 50 more torque (in Nm) than 1975 BMW 1502. (118 Nm @ 3700 RPM). This means 1988 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 1502.
Compare all specifications:
| 1975 BMW 1502 | 1988 Opel Vectra | |
| Make | BMW | Opel |
| Model | 1502 | Vectra |
| Year Released | 1975 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 73 HP | 82 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 118 Nm | 168 Nm |
| Torque RPM | 3700 RPM | 2400 RPM |
| Engine Compression Ratio | 8.0:1 | 22.0:1 |
| Top Speed | 155 km/hour | 169 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1143 kg |
| Vehicle Length | 4240 mm | 4440 mm |
| Vehicle Width | 1600 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2510 mm | 2670 mm |
| Fuel Tank Capacity | 50 L | 55 L |
