2006 Audi A4 vs. 2005 Porsche Boxster
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2005 Porsche Boxster would be higher. At 3,129 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (255 HP @ 6500 RPM) has 15 more horse power than 2005 Porsche Boxster. (240 HP @ 6600 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 585 kg more than 2005 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (330 Nm) has 59 more torque (in Nm) than 2005 Porsche Boxster. (271 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2006 Audi A4 | 2005 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 3129 cc | 2688 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 240 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 330 Nm | 271 Nm |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1295 kg |
| Vehicle Length | 4590 mm | 4330 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2420 mm |
| Fuel Consumption Highway | 8.7 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 53 L |
