2009 Daihatsu Sirion vs. 1978 Renault 18
To start off, 2009 Daihatsu Sirion is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,645 cc (4 cylinders), 1978 Renault 18 is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (86 HP @ 6000 RPM) has 8 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1978 Renault 18 weights approximately 30 kg more than 2009 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, 1978 Renault 18 (133 Nm @ 3000 RPM) has 13 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1978 Renault 18 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1978 Renault 18 has manual transmission. 1978 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 1978 Renault 18 | |
| Make | Daihatsu | Renault |
| Model | Sirion | 18 |
| Year Released | 2009 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 1645 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 78 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 120 Nm | 133 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 72 mm | 81 mm |
| Engine Stroke Size | 79.7 mm | 83.5 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 940 kg | 970 kg |
| Vehicle Length | 3610 mm | 4390 mm |
| Vehicle Width | 1560 mm | 1710 mm |
| Vehicle Height | 1670 mm | 1410 mm |
| Wheelbase Size | 2440 mm | 2450 mm |
| Fuel Tank Capacity | 40 L | 53 L |
