1976 BMW 630 vs. 1975 Mazda Cosmo
To start off, 1976 BMW 630 is newer by 1 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 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1976 BMW 630 (173 HP @ 5500 RPM) has 71 more horse power than 1975 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 1976 BMW 630 should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 630 weights approximately 343 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, 1976 BMW 630 (251 Nm @ 4500 RPM) has 84 more torque (in Nm) than 1975 Mazda Cosmo. (167 Nm @ 3000 RPM). This means 1976 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda Cosmo.
Compare all specifications:
| 1976 BMW 630 | 1975 Mazda Cosmo | |
| Make | BMW | Mazda |
| Model | 630 | Cosmo |
| Year Released | 1976 | 1975 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 173 HP | 102 HP |
| Engine RPM | 5500 RPM | 5300 RPM |
| Torque | 251 Nm | 167 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 80 mm | 98 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1458 kg | 1115 kg |
| Vehicle Length | 4760 mm | 4480 mm |
| Vehicle Width | 1760 mm | 1690 mm |
| Vehicle Height | 1390 mm | 1340 mm |
| Wheelbase Size | 2630 mm | 2520 mm |
