1973 BMW 1502 vs. 1988 Opel Vectra
To start off, 1988 Opel Vectra is newer by 15 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 would be higher. At 1,598 cc (4 cylinders), 1988 Opel Vectra is equipped with a bigger engine. In terms of performance, 1988 Opel Vectra (102 HP @ 6000 RPM) has 17 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 1988 Opel Vectra should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1988 Opel Vectra weights approximately 430 kg more than 1973 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1988 Opel Vectra (150 Nm @ 3600 RPM) has 20 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 1988 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 1988 Opel Vectra | |
| Make | BMW | Opel |
| Model | 1502 | Vectra |
| Year Released | 1973 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 102 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 130 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 71 mm | 81.5 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1360 kg |
| Vehicle Length | 4240 mm | 4500 mm |
| Vehicle Width | 1600 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2520 mm |
| Fuel Tank Capacity | 50 L | 60 L |
