1978 Mazda Cosmo vs. 1999 Vauxhall Omega
To start off, 1999 Vauxhall Omega is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1978 Mazda Cosmo would be higher. At 5,665 cc (8 cylinders), 1999 Vauxhall Omega is equipped with a bigger engine. In terms of performance, 1999 Vauxhall Omega (311 HP @ 5600 RPM) has 218 more horse power than 1978 Mazda Cosmo. (93 HP @ 5500 RPM) In normal driving conditions, 1999 Vauxhall Omega should accelerate faster than 1978 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1999 Vauxhall Omega weights approximately 558 kg more than 1978 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Vauxhall Omega (459 Nm @ 4400 RPM) has 309 more torque (in Nm) than 1978 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 1999 Vauxhall Omega will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda Cosmo. 1999 Vauxhall Omega has automatic transmission and 1978 Mazda Cosmo has manual transmission. 1978 Mazda Cosmo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Vauxhall Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Mazda Cosmo | 1999 Vauxhall Omega | |
| Make | Mazda | Vauxhall |
| Model | Cosmo | Omega |
| Year Released | 1978 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 5665 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 311 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 150 Nm | 459 Nm |
| Torque RPM | 3300 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1092 kg | 1650 kg |
| Vehicle Length | 4480 mm | 4900 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1340 mm | 1460 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
