1973 Opel Commodore vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1973 Opel Commodore would be higher. At 2,488 cc (6 cylinders), 1973 Opel Commodore is equipped with a bigger engine. In terms of performance, 1973 Opel Commodore (114 HP @ 5200 RPM) has 57 more horse power than 2008 Daihatsu Sirion. (57 HP @ 6000 RPM). In normal driving conditions, 1973 Opel Commodore should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1973 Opel Commodore weights approximately 280 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 1973 Opel Commodore 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 1973 Opel Commodore. 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, 1973 Opel Commodore (177 Nm @ 3800 RPM) has 89 more torque (in Nm) than 2008 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1973 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2008 Daihatsu Sirion has automatic transmission and 1973 Opel Commodore has manual transmission. 1973 Opel Commodore will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Commodore | 2008 Daihatsu Sirion | |
| Make | Opel | Daihatsu |
| Model | Commodore | Sirion |
| Year Released | 1973 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2488 cc | 989 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 57 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 177 Nm | 88 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 72 mm |
| Engine Stroke Size | 69.8 mm | 81 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1170 kg | 890 kg |
| Vehicle Length | 4620 mm | 3700 mm |
| Vehicle Width | 1740 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2680 mm | 2350 mm |
| Fuel Tank Capacity | 70 L | 40 L |
