2004 Audi A4 vs. 2005 Opel Astra

To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,198 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (145 HP @ 5800 RPM) has 17 more horse power than 2004 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 187 kg more than 2005 Opel Astra.

Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2004 Audi A4 (320 Nm @ 1900 RPM) has 117 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.

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