1975 Mazda Cosmo vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1975 Mazda Cosmo would be higher. At 1,998 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (173 HP @ 5500 RPM) has 79 more horse power than 1975 Mazda Cosmo. (94 HP @ 5500 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 470 kg more than 1975 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Mazda Cosmo 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 1975 Mazda Cosmo. 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, 2006 Opel Signum (266 Nm @ 2500 RPM) has 116 more torque (in Nm) than 1975 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda Cosmo.
Compare all specifications:
| 1975 Mazda Cosmo | 2006 Opel Signum | |
| Make | Mazda | Opel |
| Model | Cosmo | Signum |
| Year Released | 1975 | 2006 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 94 HP | 173 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 150 Nm | 266 Nm |
| Torque RPM | 3300 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1560 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 65 L | 60 L |
