1991 Renault 21 vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 1,721 cc (4 cylinders), 1991 Renault 21 is equipped with a bigger engine. In terms of performance, 2010 Daihatsu Sirion (86 HP @ 6000 RPM) has 11 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2010 Daihatsu Sirion should accelerate faster than 1991 Renault 21.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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. Let's talk about torque, 1991 Renault 21 (129 Nm @ 3250 RPM) has 8 more torque (in Nm) than 2010 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 1991 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion.
Compare all specifications:
| 1991 Renault 21 | 2010 Daihatsu Sirion | |
| Make | Renault | Daihatsu |
| Model | 21 | Sirion |
| Year Released | 1991 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 86 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 129 Nm | 121 Nm |
| Torque RPM | 3250 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 72 mm |
| Engine Stroke Size | 83.5 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
