2008 BMW M3 vs. 2003 Vauxhall Signum
To start off, 2008 BMW M3 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Signum. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Signum would be higher. At 3,999 cc (8 cylinders), 2008 BMW M3 is equipped with a bigger engine. In terms of performance, 2008 BMW M3 (414 HP @ 8300 RPM) has 261 more horse power than 2003 Vauxhall Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2008 BMW M3 should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M3 weights approximately 205 kg more than 2003 Vauxhall Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW M3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2003 Vauxhall Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 BMW M3 (400 Nm @ 3900 RPM) has 180 more torque (in Nm) than 2003 Vauxhall Signum. (220 Nm @ 3800 RPM). This means 2008 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Signum.
Compare all specifications:
| 2008 BMW M3 | 2003 Vauxhall Signum | |
| Make | BMW | Vauxhall |
| Model | M3 | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 153 HP |
| Engine RPM | 8300 RPM | 5600 RPM |
| Torque | 400 Nm | 220 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1655 kg | 1450 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
