1984 Holden Commodore vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 22 year(s). Which means there will be less support and parts availability for 1984 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1984 Holden Commodore would be higher. At 5,040 cc (8 cylinders), 1984 Holden Commodore is equipped with a bigger engine. In terms of performance, 1984 Holden Commodore (169 HP @ 4000 RPM) has 16 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1984 Holden Commodore should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 155 kg more than 1984 Holden Commodore.
Because 1984 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 1984 Holden Commodore. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 1984 Holden Commodore (361 Nm @ 2800 RPM) has 141 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 1984 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 1984 Holden Commodore | 2006 Opel Signum | |
| Make | Holden | Opel |
| Model | Commodore | Signum |
| Year Released | 1984 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5040 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 169 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 361 Nm | 220 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1535 kg |
| Vehicle Length | 4720 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
