2007 Audi A3 vs. 2005 Opel Astra
To start off, 2007 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,996 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5600 RPM) has 59 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 20 kg more than 2007 Audi A3. 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 Audi A3 (320 Nm @ 1750 RPM) has 70 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Audi A3 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1967 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 197 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1390 kg |
| Vehicle Length | 4210 mm | 4270 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
