2008 Daihatsu Sirion vs. 2008 Opel Vectra
To start off, both 2008 Daihatsu Sirion and 2008 Opel Vectra were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,996 cc (4 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (173 HP @ 5500 RPM) has 71 more horse power than 2008 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 605 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.
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, 2008 Opel Vectra (265 Nm @ 2500 RPM) has 127 more torque (in Nm) than 2008 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 2008 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2008 Daihatsu Sirion has automatic transmission and 2008 Opel Vectra has manual transmission. 2008 Opel Vectra 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:
| 2008 Daihatsu Sirion | 2008 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Vectra |
| Year Released | 2008 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1493 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 138 Nm | 265 Nm |
| Torque RPM | 4400 RPM | 2500 RPM |
| Engine Bore Size | 72 mm | 86 mm |
| Engine Stroke Size | 91.8 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 180 km/hour | 222 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 980 kg | 1585 kg |
| Vehicle Length | 3400 mm | 4830 mm |
| Vehicle Height | 1250 mm | 1510 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 40 L | 60 L |
