1975 Mazda Cosmo vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 30 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 2,171 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (125 HP @ 4000 RPM) has 31 more horse power than 1975 Mazda Cosmo. (94 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 433 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, 2005 Opel Vectra, 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, 2005 Opel Vectra (270 Nm @ 1500 RPM) has 120 more torque (in Nm) than 1975 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda Cosmo.
Compare all specifications:
| 1975 Mazda Cosmo | 2005 Opel Vectra | |
| Make | Mazda | Opel |
| Model | Cosmo | Vectra |
| Year Released | 1975 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 94 HP | 125 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 150 Nm | 270 Nm |
| Torque RPM | 3300 RPM | 1500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 88 mm | 98 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1090 kg | 1523 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1510 mm |
| Wheelbase Size | 2520 mm | 2710 mm |
| Fuel Tank Capacity | 65 L | 61 L |
