2005 Audi A3 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 3,188 cc (6 cylinders), 2005 Audi A3 is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (247 HP @ 6000 RPM) has 32 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2005 Audi A3 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A3 weights approximately 110 kg more than 2007 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2005 Audi A3 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, 2005 Audi A3 (320 Nm @ 2500 RPM) has 70 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2005 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525. 2007 BMW 525 has automatic transmission and 2005 Audi A3 has manual transmission. 2005 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A3 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A3 | 525 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 215 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 2900 RPM |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 95.9 mm | 78.8 mm |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1500 kg |
| Vehicle Length | 4290 mm | 4850 mm |
| Vehicle Width | 1770 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 10.6 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
