2001 Daihatsu Sirion vs. 2002 Opel Omega
To start off, 2002 Opel Omega is newer by 1 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 2,497 cc (6 cylinders), 2002 Opel Omega is equipped with a bigger engine. In terms of performance, 2002 Opel Omega (143 HP @ 4000 RPM) has 71 more horse power than 2001 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2002 Opel Omega should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Omega weights approximately 893 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.
Because 2002 Opel Omega 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 2002 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2002 Opel Omega (300 Nm @ 1750 RPM) has 199 more torque (in Nm) than 2001 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2002 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion.
Compare all specifications:
| 2001 Daihatsu Sirion | 2002 Opel Omega | |
| Make | Daihatsu | Opel |
| Model | Sirion | Omega |
| Year Released | 2001 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 143 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 101 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Engine Bore Size | 72 mm | 80 mm |
| Engine Stroke Size | 79.7 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Top Speed | 179 km/hour | 205 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 840 kg | 1733 kg |
| Vehicle Length | 3680 mm | 4900 mm |
| Vehicle Width | 1600 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1550 mm |
| Wheelbase Size | 2370 mm | 2740 mm |
| Fuel Tank Capacity | 37 L | 75 L |
