2004 Audi A3 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 3,244 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 91 more horse power than 2004 Audi A3. (247 HP @ 6200 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A3 weights approximately 115 kg more than 2009 BMW Z4.
Because 2004 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2004 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 45 more torque (in Nm) than 2004 Audi A3. (320 Nm @ 2500 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A3.
Compare all specifications:
| 2004 Audi A3 | 2009 BMW Z4 | |
| Make | Audi | BMW |
| Model | A3 | Z4 |
| Year Released | 2004 | 2009 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 3244 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 338 HP |
| Engine RPM | 6200 RPM | 7900 RPM |
| Torque | 320 Nm | 365 Nm |
| Torque RPM | 2500 RPM | 4900 RPM |
| Engine Bore Size | 84 mm | 87 mm |
| Engine Stroke Size | 95.9 mm | 91 mm |
| Engine Compression Ratio | 11.3:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1495 kg |
| Vehicle Length | 4290 mm | 4120 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption Overall | 10.6 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
