2004 Opel Signum vs. 1970 Saab Sonett III
To start off, 2004 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Saab Sonett III. In addition, the cost of maintenance, including insurance, on 1970 Saab Sonett III would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 109 more horse power than 1970 Saab Sonett III. (64 HP @ 4700 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1970 Saab Sonett III. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 760 kg more than 1970 Saab Sonett III. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 150 more torque (in Nm) than 1970 Saab Sonett III. (115 Nm @ 2500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1970 Saab Sonett III.
Compare all specifications:
| 2004 Opel Signum | 1970 Saab Sonett III | |
| Make | Opel | Saab |
| Model | Signum | Sonett III |
| Year Released | 2004 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1498 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 64 HP |
| Engine RPM | 5500 RPM | 4700 RPM |
| Torque | 265 Nm | 115 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 90 mm |
| Engine Stroke Size | 86 mm | 58.9 mm |
| Engine Compression Ratio | 9.5:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 161 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 800 kg |
| Vehicle Length | 4640 mm | 3910 mm |
| Vehicle Width | 1800 mm | 1510 mm |
| Vehicle Height | 1470 mm | 1200 mm |
| Wheelbase Size | 2840 mm | 2160 mm |
| Fuel Tank Capacity | 60 L | 60 L |
