2004 Audi A4 vs. 2009 Porsche Boxster
To start off, 2009 Porsche Boxster is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 3,387 cc (6 cylinders), 2009 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2009 Porsche Boxster (291 HP @ 6250 RPM) has 131 more horse power than 2004 Audi A4. (160 HP @ 5700 RPM) In normal driving conditions, 2009 Porsche Boxster should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 121 kg more than 2009 Porsche Boxster.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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 Porsche Boxster (340 Nm @ 4600 RPM) has 115 more torque (in Nm) than 2004 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Porsche Boxster will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1781 cc | 3387 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 291 HP |
| Engine RPM | 5700 RPM | 6250 RPM |
| Torque | 225 Nm | 340 Nm |
| Torque RPM | 1950 RPM | 4600 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 226 km/hour | 272 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1476 kg | 1355 kg |
| Vehicle Length | 4550 mm | 4330 mm |
| Vehicle Width | 1780 mm | 1300 mm |
| Vehicle Height | 1430 mm | 1790 mm |
| Wheelbase Size | 2470 mm | 2420 mm |
| Fuel Consumption Overall | 9.4 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
