1991 Holden Commodore vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1991 Holden Commodore would be higher. At 3,791 cc (6 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 Holden Commodore (172 HP @ 4800 RPM) has 24 more horse power than 2002 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 1991 Holden Commodore should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 15 kg more than 2002 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Holden Commodore 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 1991 Holden Commodore. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Opel Signum (315 Nm @ 2000 RPM) has 27 more torque (in Nm) than 1991 Holden Commodore. (288 Nm @ 3200 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Holden Commodore.
Compare all specifications:
| 1991 Holden Commodore | 2002 Opel Signum | |
| Make | Holden | Opel |
| Model | Commodore | Signum |
| Year Released | 1991 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 148 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 288 Nm | 315 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1380 kg |
| Vehicle Length | 4900 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2640 mm |
