2007 Audi RS4 vs. 2009 BMW 125

To start off, 2009 BMW 125 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi RS4. In addition, the cost of maintenance, including insurance, on 2007 Audi RS4 would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (420 HP @ 8205 RPM) has 205 more horse power than 2009 BMW 125. (215 HP @ 6500 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 374 kg more than 2009 BMW 125. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 125. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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 RS4 (430 Nm @ 5500 RPM) has 180 more torque (in Nm) than 2009 BMW 125. (250 Nm @ 2750 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125. 2007 Audi RS4 has automatic transmission and 2009 BMW 125 has manual transmission. 2009 BMW 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi RS4 will be easier to drive especially in heavy traffic.

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