1999 Audi A4 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 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,198 cc (4 cylinders), 2003 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Signum (153 HP @ 5600 RPM) has 30 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2003 Vauxhall Signum should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 220 kg more than 1999 Audi A4. 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 (220 Nm @ 3800 RPM) has 47 more torque (in Nm) than 1999 Audi A4. (173 Nm @ 3950 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2003 Vauxhall Signum | |
| Make | Audi | Vauxhall |
| Model | A4 | Signum |
| Year Released | 1999 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 123 HP | 153 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 173 Nm | 220 Nm |
| Torque RPM | 3950 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1230 kg | 1450 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
