1981 Mazda 929 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Mazda 929. In addition, the cost of maintenance, including insurance, on 1981 Mazda 929 would be higher. At 1,969 cc (4 cylinders), 1981 Mazda 929 is equipped with a bigger engine. In terms of performance, 1981 Mazda 929 (89 HP @ 4800 RPM) has 14 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1981 Mazda 929 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda 929 weights approximately 195 kg more than 1991 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 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 1981 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 1991 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, 1981 Mazda 929 (160 Nm @ 2500 RPM) has 31 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1981 Mazda 929 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1981 Mazda 929 | 1991 Renault 21 | |
| Make | Mazda | Renault |
| Model | 929 | 21 |
| Year Released | 1981 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 75 HP |
| Engine RPM | 4800 RPM | 5000 RPM |
| Torque | 160 Nm | 129 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Engine Bore Size | 80 mm | 81.1 mm |
| Engine Stroke Size | 98 mm | 83.5 mm |
| Engine Compression Ratio | 8.6:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1150 kg | 955 kg |
| Vehicle Length | 4640 mm | 4470 mm |
| Vehicle Width | 1720 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2550 mm |
