2009 Audi A5 vs. 2008 BMW 545
To start off, 2009 Audi A5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 545. In addition, the cost of maintenance, including insurance, on 2008 BMW 545 would be higher. At 4,397 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2008 BMW 545 (328 HP @ 6100 RPM) has 160 more horse power than 2009 Audi A5. (168 HP @ 4800 RPM) In normal driving conditions, 2008 BMW 545 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 545 weights approximately 310 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 545 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A5, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 BMW 545 (450 Nm @ 3600 RPM) has 200 more torque (in Nm) than 2009 Audi A5. (250 Nm @ 1500 RPM). This means 2008 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2008 BMW 545 | |
| Make | Audi | BMW |
| Model | A5 | 545 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 328 HP |
| Engine RPM | 4800 RPM | 6100 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 82.6 mm | 92 mm |
| Engine Stroke Size | 84.1 mm | 82.7 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.4 seconds | 5.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1705 kg |
| Vehicle Length | 4630 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Consumption Overall | 7.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
