1979 Mazda RX-7 vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 2 year(s). Which means there will be less support and parts availability for 1979 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1979 Mazda RX-7 would be higher. At 2,292 cc, 1979 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1979 Mazda RX-7 (104 HP @ 6000 RPM) has 57 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 1979 Mazda RX-7 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mazda RX-7 weights approximately 240 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1979 Mazda RX-7 | 1981 Renault 9 | |
| Make | Mazda | Renault |
| Model | RX-7 | 9 |
| Year Released | 1979 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1108 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 104 HP | 47 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1060 kg | 820 kg |
| Vehicle Length | 4290 mm | 4070 mm |
| Vehicle Width | 1680 mm | 1660 mm |
| Vehicle Height | 1270 mm | 1410 mm |
| Wheelbase Size | 2430 mm | 2490 mm |
| Fuel Tank Capacity | 65 L | 38 L |
