1999 Saturn SL vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Saturn SL. In addition, the cost of maintenance, including insurance, on 1999 Saturn SL would be higher. At 1,997 cc (4 cylinders), 2003 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Signum (173 HP @ 5500 RPM) has 73 more horse power than 1999 Saturn SL. (100 HP @ 5000 RPM) In normal driving conditions, 2003 Vauxhall Signum should accelerate faster than 1999 Saturn SL. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 360 kg more than 1999 Saturn SL. 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 Vauxhall Signum (265 Nm @ 2500 RPM) has 107 more torque (in Nm) than 1999 Saturn SL. (158 Nm @ 2400 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Saturn SL.
Compare all specifications:
| 1999 Saturn SL | 2003 Vauxhall Signum | |
| Make | Saturn | Vauxhall |
| Model | SL | Signum |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1901 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 173 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 158 Nm | 265 Nm |
| Torque RPM | 2400 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1055 kg | 1415 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
