1971 Austin 1800 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 15 year(s). Which means there will be less support and parts availability for 1971 Austin 1800. In addition, the cost of maintenance, including insurance, on 1971 Austin 1800 would be higher. At 1,995 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (175 HP @ 5200 RPM) has 89 more horse power than 1971 Austin 1800. (86 HP @ 5400 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1971 Austin 1800. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 151 kg more than 1971 Austin 1800. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Austin 1800. In wet, icy, snow, or gravel driving conditions, 1986 Renault 21 will offer significantly more control. 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 (275 Nm @ 3000 RPM) has 135 more torque (in Nm) than 1971 Austin 1800. (140 Nm @ 3000 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1971 Austin 1800.
Compare all specifications:
| 1971 Austin 1800 | 1986 Renault 21 | |
| Make | Austin | Renault |
| Model | 1800 | 21 |
| Year Released | 1971 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 175 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 140 Nm | 275 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 80.3 mm | 88 mm |
| Engine Stroke Size | 88.9 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1194 kg | 1345 kg |
| Vehicle Length | 4250 mm | 4540 mm |
| Vehicle Width | 1710 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2670 mm |
