1999 Opel Signum vs. 1967 Opel Commodore
To start off, 1999 Opel Signum is newer by 32 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 2,490 cc (6 cylinders), 1967 Opel Commodore is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (148 HP @ 4000 RPM) has 33 more horse power than 1967 Opel Commodore. (115 HP @ 5200 RPM). In normal driving conditions, 1999 Opel Signum should accelerate faster than 1967 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1967 Opel Commodore weights approximately 84 kg more than 1999 Opel Signum.
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, 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, 1999 Opel Signum (270 Nm @ 2000 RPM) has 95 more torque (in Nm) than 1967 Opel Commodore. (175 Nm @ 3800 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1967 Opel Commodore.
Compare all specifications:
| 1999 Opel Signum | 1967 Opel Commodore | |
| Make | Opel | Opel |
| Model | Signum | Commodore |
| Year Released | 1999 | 1967 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 148 HP | 115 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 270 Nm | 175 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 90.4 mm | 69.8 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1086 kg | 1170 kg |
| Vehicle Length | 4640 mm | 4580 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2670 mm |
| Fuel Tank Capacity | 60 L | 70 L |
