1981 Renault 9 vs. 2006 Smart ForTwo
To start off, 2006 Smart ForTwo is newer by 25 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 1,595 cc (4 cylinders), 1981 Renault 9 is equipped with a bigger engine. In terms of performance, 2006 Smart ForTwo (60 HP @ 5250 RPM) has 6 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM) In normal driving conditions, 2006 Smart ForTwo should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1981 Renault 9 weights approximately 110 kg more than 2006 Smart ForTwo.
Let's talk about torque, 1981 Renault 9 (104 Nm @ 2250 RPM) has 9 more torque (in Nm) than 2006 Smart ForTwo. (95 Nm @ 2000 RPM). This means 1981 Renault 9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForTwo.
Compare all specifications:
| 1981 Renault 9 | 2006 Smart ForTwo | |
| Make | Renault | Smart |
| Model | 9 | ForTwo |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Rear |
| Engine Size | 1595 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 54 HP | 60 HP |
| Engine RPM | 4800 RPM | 5250 RPM |
| Torque | 104 Nm | 95 Nm |
| Torque RPM | 2250 RPM | 2000 RPM |
| Engine Bore Size | 78 mm | 66.5 mm |
| Engine Stroke Size | 83.5 mm | 67 mm |
| Engine Compression Ratio | 22.5:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 915 kg | 805 kg |
| Vehicle Length | 4070 mm | 2510 mm |
| Vehicle Width | 1660 mm | 1520 mm |
| Vehicle Height | 1410 mm | 1560 mm |
| Wheelbase Size | 2490 mm | 1820 mm |
| Fuel Tank Capacity | 38 L | 33 L |
