1999 Opel Signum vs. 2004 Vector M12
To start off, 2004 Vector M12 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 5,707 cc (12 cylinders), 2004 Vector M12 is equipped with a bigger engine. In terms of performance, 2004 Vector M12 (484 HP @ 6800 RPM) has 385 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2004 Vector M12 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Vector M12 weights approximately 35 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Vector M12 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 2004 Vector M12. However, in wet, icy, snow, or gravel driving conditions, 1999 Opel 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, 2004 Vector M12 (576 Nm @ 5200 RPM) has 336 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 2004 Vector M12 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 1999 Opel Signum | 2004 Vector M12 | |
| Make | Opel | Vector |
| Model | Signum | M12 |
| Year Released | 1999 | 2004 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 5707 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 484 HP |
| Engine RPM | 3120 RPM | 6800 RPM |
| Torque | 240 Nm | 576 Nm |
| Torque RPM | 1500 RPM | 5200 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1630 kg |
| Vehicle Length | 4640 mm | 4790 mm |
| Vehicle Width | 1800 mm | 2030 mm |
| Vehicle Height | 1470 mm | 1140 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
