2003 Opel Signum vs. 1974 Saab 99
To start off, 2003 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1974 Saab 99. In addition, the cost of maintenance, including insurance, on 1974 Saab 99 would be higher. At 1,998 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (99 HP @ 3120 RPM) has 5 more horse power than 1974 Saab 99. (94 HP @ 5200 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1974 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 475 kg more than 1974 Saab 99. 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 (230 Nm @ 1500 RPM) has 68 more torque (in Nm) than 1974 Saab 99. (162 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Saab 99.
Compare all specifications:
| 2003 Opel Signum | 1974 Saab 99 | |
| Make | Opel | Saab |
| Model | Signum | 99 |
| Year Released | 2003 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 99 HP | 94 HP |
| Engine RPM | 3120 RPM | 5200 RPM |
| Torque | 230 Nm | 162 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1620 kg | 1145 kg |
| Vehicle Length | 4640 mm | 4540 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2480 mm |
