2005 Audi A4 vs. 2003 Porsche Boxster
To start off, 2005 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2003 Porsche Boxster would be higher. At 2,687 cc (6 cylinders), 2003 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2003 Porsche Boxster (225 HP @ 6300 RPM) has 48 more horse power than 2005 Audi A4. (177 HP @ 1500 RPM) In normal driving conditions, 2003 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 240 kg more than 2003 Porsche Boxster.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (370 Nm @ 1500 RPM) has 109 more torque (in Nm) than 2003 Porsche Boxster. (261 Nm @ 4700 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Boxster. 2005 Audi A4 has automatic transmission and 2003 Porsche Boxster has manual transmission. 2003 Porsche Boxster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2003 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2393 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 177 HP | 225 HP |
| Engine RPM | 1500 RPM | 6300 RPM |
| Torque | 370 Nm | 261 Nm |
| Torque RPM | 1500 RPM | 4700 RPM |
| Engine Bore Size | 78.3 mm | 85.5 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1350 kg |
| Vehicle Length | 4550 mm | 4320 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
