1967 Opel Commodore vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 37 year(s). Which means there will be less support and parts availability for 1967 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1967 Opel Commodore would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 94 more horse power than 1967 Opel Commodore. (114 HP @ 5200 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1967 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 425 kg more than 1967 Opel Commodore. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1967 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 1967 Opel Commodore. However, in wet, icy, snow, or gravel driving conditions, 2004 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 Opel Signum (300 Nm @ 4000 RPM) has 126 more torque (in Nm) than 1967 Opel Commodore. (174 Nm @ 3800 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1967 Opel Commodore.
Compare all specifications:
| 1967 Opel Commodore | 2004 Opel Signum | |
| Make | Opel | Opel |
| Model | Commodore | Signum |
| Year Released | 1967 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2488 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 208 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 174 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 69.8 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1595 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 52 L |
