2008 Daihatsu Sirion vs. 1987 Renault 21
To start off, 2008 Daihatsu Sirion is newer by 21 year(s). Which means there will be less support and parts availability for 1987 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 would be higher. At 1,869 cc (4 cylinders), 1987 Renault 21 is equipped with a bigger engine. In terms of performance, 2008 Daihatsu Sirion (69 HP @ 6000 RPM) has 5 more horse power than 1987 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 2008 Daihatsu Sirion should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Renault 21 weights approximately 215 kg more than 2008 Daihatsu Sirion.
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, 1987 Renault 21 (118 Nm @ 2250 RPM) has 24 more torque (in Nm) than 2008 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1987 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 Daihatsu Sirion | 1987 Renault 21 | |
| Make | Daihatsu | Renault |
| Model | Sirion | 21 |
| Year Released | 2008 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 1869 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 69 HP | 64 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 94 Nm | 118 Nm |
| Torque RPM | 3600 RPM | 2250 RPM |
| Engine Bore Size | 71 mm | 80 mm |
| Engine Stroke Size | 84 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 21.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 890 kg | 1105 kg |
| Vehicle Length | 3610 mm | 4650 mm |
| Vehicle Width | 1670 mm | 1720 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
