1984 BMW 628 vs. 1971 Mazda Cosmo
To start off, 1984 BMW 628 is newer by 13 year(s). Which means there will be less support and parts availability for 1971 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1971 Mazda Cosmo would be higher. At 2,788 cc (6 cylinders), 1984 BMW 628 is equipped with a bigger engine. In terms of performance, 1984 BMW 628 (181 HP @ 6000 RPM) has 88 more horse power than 1971 Mazda Cosmo. (93 HP @ 7000 RPM). In normal driving conditions, 1984 BMW 628 should accelerate faster than 1971 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1984 BMW 628 weights approximately 530 kg more than 1971 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1984 BMW 628 (240 Nm @ 4000 RPM) has 107 more torque (in Nm) than 1971 Mazda Cosmo. (133 Nm @ 3500 RPM). This means 1984 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1971 Mazda Cosmo.
Compare all specifications:
| 1984 BMW 628 | 1971 Mazda Cosmo | |
| Make | BMW | Mazda |
| Model | 628 | Cosmo |
| Year Released | 1984 | 1971 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1964 cc |
| Horse Power | 181 HP | 93 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 240 Nm | 133 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 940 kg |
| Vehicle Length | 4760 mm | 4150 mm |
| Vehicle Width | 1730 mm | 1600 mm |
| Vehicle Height | 1370 mm | 1170 mm |
| Wheelbase Size | 2640 mm | 2210 mm |
