1974 BMW Touring vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1974 BMW Touring. In addition, the cost of maintenance, including insurance, on 1974 BMW Touring would be higher. At 1,995 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (100 HP @ 3120 RPM) has 15 more horse power than 1974 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1974 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 565 kg more than 1974 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2002 Opel Signum (230 Nm @ 1500 RPM) has 100 more torque (in Nm) than 1974 BMW Touring. (130 Nm @ 3500 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW Touring.
Compare all specifications:
| 1974 BMW Touring | 2002 Opel Signum | |
| Make | BMW | Opel |
| Model | Touring | Signum |
| Year Released | 1974 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1572 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 100 HP |
| Engine RPM | 5700 RPM | 3120 RPM |
| Torque | 130 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 71 mm | 90 mm |
| Engine Compression Ratio | 8.6:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1595 kg |
| Vehicle Length | 4120 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1720 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2610 mm |
