2008 BMW 740 vs. 1981 Renault 9
To start off, 2008 BMW 740 is newer by 27 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 3,901 cc (8 cylinders), 2008 BMW 740 is equipped with a bigger engine. In terms of performance, 2008 BMW 740 (255 HP @ 4000 RPM) has 201 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2008 BMW 740 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 740 weights approximately 1175 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, 2008 BMW 740 (600 Nm @ 1900 RPM) has 496 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2008 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2008 BMW 740 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | 740 | 9 |
| Year Released | 2008 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 1595 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 54 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 600 Nm | 104 Nm |
| Torque RPM | 1900 RPM | 2250 RPM |
| Engine Bore Size | 84 mm | 78 mm |
| Engine Stroke Size | 88 mm | 83.5 mm |
| Engine Compression Ratio | 18.0:1 | 22.5:1 |
| Fuel Type | Diesel | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2090 kg | 915 kg |
| Vehicle Length | 5040 mm | 4070 mm |
| Vehicle Width | 1910 mm | 1660 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 3000 mm | 2490 mm |
| Fuel Tank Capacity | 88 L | 38 L |
