1979 Mazda RX-7 vs. 1972 McLaren M21
To start off, 1979 Mazda RX-7 is newer by 7 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 2,292 cc, 1979 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 179 more horse power than 1979 Mazda RX-7. (104 HP @ 6000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1979 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mazda RX-7 weights approximately 595 kg more than 1972 McLaren M21.
Compare all specifications:
| 1979 Mazda RX-7 | 1972 McLaren M21 | |
| Make | Mazda | McLaren |
| Model | RX-7 | M21 |
| Year Released | 1979 | 1972 |
| Engine Size | 2292 cc | 1927 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 104 HP | 283 HP |
| Engine RPM | 6000 RPM | 9000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1060 kg | 465 kg |
