1971 BMW Touring vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 2,198 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (153 HP @ 5600 RPM) has 68 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 505 kg more than 1971 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, 1999 Opel Signum (221 Nm @ 3800 RPM) has 91 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 1971 BMW Touring | 1999 Opel Signum | |
| Make | BMW | Opel |
| Model | Touring | Signum |
| Year Released | 1971 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 153 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 130 Nm | 221 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.1 mm | 86 mm |
| Engine Stroke Size | 71 mm | 94.6 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1535 kg |
| Vehicle Length | 4120 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2640 mm |
