2007 Audi S3 vs. 2009 BMW 545
To start off, 2009 BMW 545 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S3. In addition, the cost of maintenance, including insurance, on 2007 Audi S3 would be higher. At 4,398 cc (8 cylinders), 2009 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 BMW 545 (328 HP @ 6100 RPM) has 66 more horse power than 2007 Audi S3. (262 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 545 should accelerate faster than 2007 Audi S3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 545 weights approximately 250 kg more than 2007 Audi S3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 545. In wet, icy, snow, or gravel driving conditions, 2007 Audi S3 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, 2009 BMW 545 (450 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2007 Audi S3. (350 Nm @ 2500 RPM). This means 2009 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S3. 2009 BMW 545 has automatic transmission and 2007 Audi S3 has manual transmission. 2007 Audi S3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S3 | 2009 BMW 545 | |
| Make | Audi | BMW |
| Model | S3 | 545 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 262 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 350 Nm | 450 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 6.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1455 kg | 1705 kg |
| Vehicle Length | 4210 mm | 4850 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 9.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
