1954 Alfa Romeo AR 51 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 32 year(s). Which means there will be less support and parts availability for 1954 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1954 Alfa Romeo AR 51 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 (90 HP @ 4250 RPM) has 27 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1954 Alfa Romeo AR 51 weights approximately 117 kg more than 1986 Renault 21.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 1954 Alfa Romeo AR 51 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.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | AR 51 | 21 |
| Year Released | 1954 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 90 HP |
| Engine RPM | 4400 RPM | 4250 RPM |
| Engine Bore Size | 82.6 mm | 86 mm |
| Engine Stroke Size | 88 mm | 89 mm |
| Top Speed | 105 km/hour | 171 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1133 kg |
| Vehicle Length | 3530 mm | 4470 mm |
| Vehicle Width | 1580 mm | 1720 mm |
| Vehicle Height | 1830 mm | 1420 mm |
| Wheelbase Size | 2210 mm | 2590 mm |
