2001 Daihatsu Sirion vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 1,598 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (178 HP @ 5500 RPM) has 78 more horse power than 2001 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 515 kg more than 2001 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, 2007 Opel Astra (230 Nm @ 1950 RPM) has 109 more torque (in Nm) than 2001 Daihatsu Sirion. (121 Nm @ 4400 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion. 2001 Daihatsu Sirion has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Daihatsu Sirion | 2007 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Astra |
| Year Released | 2001 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 178 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 121 Nm | 230 Nm |
| Torque RPM | 4400 RPM | 1950 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 870 kg | 1385 kg |
| Vehicle Length | 3680 mm | 4300 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2380 mm | 2620 mm |
| Fuel Tank Capacity | 40 L | 52 L |
