2003 Opel Signum vs. 1971 Volkswagen K 70
To start off, 2003 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Volkswagen K 70. In addition, the cost of maintenance, including insurance, on 1971 Volkswagen K 70 would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 134 more horse power than 1971 Volkswagen K 70. (74 HP @ 5200 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1971 Volkswagen K 70. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 560 kg more than 1971 Volkswagen K 70. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 177 more torque (in Nm) than 1971 Volkswagen K 70. (123 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1971 Volkswagen K 70.
Compare all specifications:
| 2003 Opel Signum | 1971 Volkswagen K 70 | |
| Make | Opel | Volkswagen |
| Model | Signum | K 70 |
| Year Released | 2003 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 1604 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 208 HP | 74 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 300 Nm | 123 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 87.5 mm | 82 mm |
| Engine Stroke Size | 88 mm | 76 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 237 km/hour | 148 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1050 kg |
| Vehicle Length | 4640 mm | 4430 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2740 mm | 2700 mm |
| Fuel Consumption Overall | 10.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 52 L | 45 L |
