1977 BMW 520 vs. 1981 Renault 9
To start off, 1981 Renault 9 is newer by 4 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 1,951 cc (4 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (134 HP @ 4000 RPM) has 80 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 650 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 176 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
1977 BMW 520 | 1981 Renault 9 | |
Make | BMW | Renault |
Model | 520 | 9 |
Year Released | 1977 | 1981 |
Engine Position | Front | Front |
Engine Size | 1951 cc | 1595 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 134 HP | 54 HP |
Engine RPM | 4000 RPM | 4800 RPM |
Torque | 280 Nm | 104 Nm |
Torque RPM | 1750 RPM | 2250 RPM |
Engine Bore Size | 84 mm | 78 mm |
Engine Stroke Size | 88 mm | 83.5 mm |
Engine Compression Ratio | 19.0:1 | 22.5:1 |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1565 kg | 915 kg |
Vehicle Length | 4780 mm | 4070 mm |
Vehicle Width | 1810 mm | 1660 mm |
Vehicle Height | 1440 mm | 1410 mm |
Wheelbase Size | 2840 mm | 2490 mm |
Fuel Tank Capacity | 70 L | 38 L |