1970 Riley 4 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 38 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1970 Riley 4 is equipped with a bigger engine. In terms of performance, 1970 Riley 4 (67 HP @ 5000 RPM) has 10 more horse power than 2008 Daihatsu Sirion. (57 HP @ 6000 RPM). In normal driving conditions, 1970 Riley 4 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1970 Riley 4 weights approximately 258 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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, 1970 Riley 4 (120 Nm @ 2500 RPM) has 32 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1970 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 1970 Riley 4 | 2008 Daihatsu Sirion | |
| Make | Riley | Daihatsu |
| Model | 4 | Sirion |
| Year Released | 1970 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 989 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 57 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 120 Nm | 88 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 76.2 mm | 72 mm |
| Engine Stroke Size | 88.9 mm | 81 mm |
| Engine Compression Ratio | 8.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1148 kg | 890 kg |
| Vehicle Length | 4540 mm | 3700 mm |
| Vehicle Width | 1620 mm | 1600 mm |
| Vehicle Height | 1510 mm | 1460 mm |
| Wheelbase Size | 2530 mm | 2350 mm |
| Fuel Tank Capacity | 45 L | 40 L |
