2007 Audi A4 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 107 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 650 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 2008 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Sirion will offer significantly more control. 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 Audi A4 (280 Nm @ 1800 RPM) has 160 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2007 Audi A4 | 2008 Daihatsu Sirion | |
| Make | Audi | Daihatsu |
| Model | A4 | Sirion |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 90 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 120 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 72 mm |
| Engine Stroke Size | 92.8 mm | 79.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 238 km/hour | 165 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 12 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 980 kg |
| Vehicle Length | 4580 mm | 3610 mm |
| Vehicle Width | 1400 mm | 1670 mm |
| Vehicle Height | 1780 mm | 1560 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 38 L |
