1978 Mazda Cosmo vs. 1976 Opel Commodore
To start off, 1978 Mazda Cosmo is newer by 2 year(s). Which means there will be less support and parts availability for 1976 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1976 Opel Commodore would be higher. At 2,783 cc (6 cylinders), 1976 Opel Commodore is equipped with a bigger engine. In terms of performance, 1976 Opel Commodore (141 HP @ 5200 RPM) has 48 more horse power than 1978 Mazda Cosmo. (93 HP @ 5500 RPM) In normal driving conditions, 1976 Opel Commodore should accelerate faster than 1978 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1976 Opel Commodore weights approximately 193 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, 1976 Opel Commodore (216 Nm @ 3600 RPM) has 66 more torque (in Nm) than 1978 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 1976 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda Cosmo.
Compare all specifications:
| 1978 Mazda Cosmo | 1976 Opel Commodore | |
| Make | Mazda | Opel |
| Model | Cosmo | Commodore |
| Year Released | 1978 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2783 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 141 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 150 Nm | 216 Nm |
| Torque RPM | 3300 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 92 mm |
| Engine Stroke Size | 88 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1092 kg | 1285 kg |
| Vehicle Length | 4480 mm | 4620 mm |
| Vehicle Width | 1690 mm | 1730 mm |
| Vehicle Height | 1340 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2670 mm |
| Fuel Tank Capacity | 65 L | 40 L |
