1976 Opel Commodore vs. 2000 Opel Signum
To start off, 2000 Opel Signum is newer by 24 year(s). Which means there will be less support and parts availability for 1976 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1976 Opel Commodore would be higher. At 2,783 cc (6 cylinders), 1976 Opel Commodore is equipped with a bigger engine. In terms of performance, 1976 Opel Commodore (141 HP @ 5200 RPM) has 18 more horse power than 2000 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 1976 Opel Commodore should accelerate faster than 2000 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Signum weights approximately 325 kg more than 1976 Opel Commodore.
Because 1976 Opel 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 1976 Opel Commodore. However, in wet, icy, snow, or gravel driving conditions, 2000 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, 2000 Opel Signum (280 Nm @ 1500 RPM) has 64 more torque (in Nm) than 1976 Opel Commodore. (216 Nm @ 3600 RPM). This means 2000 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1976 Opel Commodore.
Compare all specifications:
| 1976 Opel Commodore | 2000 Opel Signum | |
| Make | Opel | Opel |
| Model | Commodore | Signum |
| Year Released | 1976 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2783 cc | 2172 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 123 HP |
| Engine RPM | 5200 RPM | 3250 RPM |
| Torque | 216 Nm | 280 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Compression Ratio | 9.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1285 kg | 1610 kg |
| Vehicle Length | 4620 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2620 mm |
| Fuel Tank Capacity | 40 L | 60 L |
