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 77 more horse power than 2005 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 2003 Porsche Boxster should accelerate faster than 2005 Audi A4.
Because 2003 Porsche Boxster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Porsche Boxster. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Porsche Boxster (261 Nm @ 4700 RPM) has 61 more torque (in Nm) than 2005 Audi A4. (200 Nm @ 3500 RPM). This means 2003 Porsche Boxster will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2003 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1967 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 225 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 200 Nm | 261 Nm |
| Torque RPM | 3500 RPM | 4700 RPM |
| Engine Bore Size | 82.5 mm | 85.5 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1350 kg |
| Vehicle Length | 4550 mm | 4320 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
