1977 Holden GTS vs. 1975 Mazda Cosmo
To start off, 1977 Holden GTS is newer by 2 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 4,139 cc (8 cylinders), 1977 Holden GTS is equipped with a bigger engine. In terms of performance, 1977 Holden GTS (158 HP @ 4550 RPM) has 56 more horse power than 1975 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 1977 Holden GTS should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1977 Holden GTS weights approximately 360 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.
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, 1977 Holden GTS (326 Nm @ 2600 RPM) has 159 more torque (in Nm) than 1975 Mazda Cosmo. (167 Nm @ 3000 RPM). This means 1977 Holden GTS will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda Cosmo.
Compare all specifications:
| 1977 Holden GTS | 1975 Mazda Cosmo | |
| Make | Holden | Mazda |
| Model | GTS | Cosmo |
| Year Released | 1977 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4139 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 102 HP |
| Engine RPM | 4550 RPM | 5300 RPM |
| Torque | 326 Nm | 167 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1475 kg | 1115 kg |
| Vehicle Length | 4850 mm | 4480 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1340 mm |
| Wheelbase Size | 2830 mm | 2520 mm |
