2011 Audi S5 vs. 2009 BMW 520
To start off, 2011 Audi S5 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 520. In addition, the cost of maintenance, including insurance, on 2009 BMW 520 would be higher. At 4,200 cc (8 cylinders), 2011 Audi S5 is equipped with a bigger engine. In terms of performance, 2011 Audi S5 (354 HP @ 7000 RPM) has 179 more horse power than 2009 BMW 520. (175 HP @ 4000 RPM). In normal driving conditions, 2011 Audi S5 should accelerate faster than 2009 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S5 weights approximately 165 kg more than 2009 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Audi S5 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 520. In wet, icy, snow, or gravel driving conditions, 2011 Audi S5 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, 2011 Audi S5 (440 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2009 BMW 520. (350 Nm @ 1750 RPM). This means 2011 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 520. 2009 BMW 520 has automatic transmission and 2011 Audi S5 has manual transmission. 2011 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 520 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2011 Audi S5 | 2009 BMW 520 | |
| Make | Audi | BMW |
| Model | S5 | 520 |
| Year Released | 2011 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4200 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 354 HP | 175 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 440 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1585 kg |
| Vehicle Length | 4625 mm | 4850 mm |
| Vehicle Width | 1854 mm | 1850 mm |
| Vehicle Height | 1372 mm | 1470 mm |
| Wheelbase Size | 2751 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
