1985 Alfa Romeo 90 vs. 1981 Renault 9
To start off, 1985 Alfa Romeo 90 is newer by 4 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 would be higher. At 2,492 cc (6 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (153 HP @ 5600 RPM) has 68 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo 90 weights approximately 264 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.
Let's talk about torque, 1985 Alfa Romeo 90 (211 Nm @ 4000 RPM) has 72 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1981 Renault 9 | |
| Make | Alfa Romeo | Renault |
| Model | 90 | 9 |
| Year Released | 1985 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 85 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 211 Nm | 139 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 88 mm | 81 mm |
| Engine Stroke Size | 68.3 mm | 83.5 mm |
| Vehicle Weight | 1170 kg | 906 kg |
| Vehicle Length | 4400 mm | 4070 mm |
| Vehicle Width | 1650 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2460 mm | 2490 mm |
