2007 Daihatsu Sirion vs. 1967 Opel Commodore
To start off, 2007 Daihatsu Sirion is newer by 40 year(s). Which means there will be less support and parts availability for 1967 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1967 Opel Commodore would be higher. At 2,488 cc (6 cylinders), 1967 Opel Commodore is equipped with a bigger engine. In terms of performance, 1967 Opel Commodore (114 HP @ 5200 RPM) has 28 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 1967 Opel Commodore should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1967 Opel Commodore weights approximately 230 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1967 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 1967 Opel Commodore. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 1967 Opel Commodore (174 Nm @ 3800 RPM) has 54 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1967 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 1967 Opel Commodore | |
| Make | Daihatsu | Opel |
| Model | Sirion | Commodore |
| Year Released | 2007 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 2488 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 86 HP | 114 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 120 Nm | 174 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 72 mm | 87 mm |
| Engine Stroke Size | 79.7 mm | 69.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 940 kg | 1170 kg |
| Vehicle Length | 3610 mm | 4580 mm |
| Vehicle Width | 1670 mm | 1760 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 2670 mm |
| Fuel Tank Capacity | 40 L | 70 L |
