1973 BMW 1502 vs. 2000 Opel Signum
To start off, 2000 Opel Signum is newer by 27 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 1,796 cc (4 cylinders), 2000 Opel Signum is equipped with a bigger engine. In terms of performance, 2000 Opel Signum (120 HP @ 6000 RPM) has 35 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 2000 Opel Signum should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Signum weights approximately 550 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, 2000 Opel Signum (167 Nm @ 3800 RPM) has 37 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2000 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 2000 Opel Signum | |
| Make | BMW | Opel |
| Model | 1502 | Signum |
| Year Released | 1973 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 120 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 130 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1480 kg |
| Vehicle Length | 4240 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2640 mm |
| Fuel Tank Capacity | 50 L | 60 L |
