1973 Mazda 929 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (87 HP @ 4250 RPM) has 4 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mazda 929 weights approximately 25 kg more than 1986 Renault 21.
Because 1973 Mazda 929 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 1986 Renault 21 (185 Nm @ 2000 RPM) has 48 more torque (in Nm) than 1973 Mazda 929. (137 Nm @ 3000 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1973 Mazda 929 | 1986 Renault 21 | |
| Make | Mazda | Renault |
| Model | 929 | 21 |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1768 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 87 HP |
| Engine RPM | 5000 RPM | 4250 RPM |
| Torque | 137 Nm | 185 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 88 mm | 89 mm |
| Engine Compression Ratio | 8.6:1 | 21.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1135 kg |
| Vehicle Length | 4550 mm | 4540 mm |
| Vehicle Width | 1670 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2670 mm |
