2005 Audi A4 vs. 2004 Porsche Boxster
To start off, 2005 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2004 Porsche Boxster would be higher. At 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Porsche Boxster (228 HP @ 6000 RPM) has 8 more horse power than 2005 Audi A4. (220 HP @ 6500 RPM) In normal driving conditions, 2004 Porsche Boxster should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 545 kg more than 2004 Porsche Boxster.
Let's talk about torque, 2005 Audi A4 (300 Nm) has 40 more torque (in Nm) than 2004 Porsche Boxster. (260 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche Boxster.
Compare all specifications:
| 2005 Audi A4 | 2004 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2005 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2983 cc | 2688 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 228 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 300 Nm | 260 Nm |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 93 mm | 78 mm |
| Engine Compression Ratio | 10.1:1 | 11.0:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1275 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2420 mm |
| Fuel Consumption Highway | 9.4 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
