2007 Audi A4 vs. 2005 Porsche Boxster
To start off, 2007 Audi A4 is newer by 2 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 3,164 cc (6 cylinders), 2005 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2005 Porsche Boxster (280 HP @ 6200 RPM) has 79 more horse power than 2007 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2005 Porsche Boxster should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 265 kg more than 2005 Porsche Boxster.
Because 2007 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, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 130 more torque (in Nm) than 2005 Porsche Boxster. (320 Nm @ 4700 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2007 Audi A4 | 2005 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2967 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 280 HP |
| Engine RPM | 3500 RPM | 6200 RPM |
| Torque | 450 Nm | 320 Nm |
| Torque RPM | 1400 RPM | 4700 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91.4 mm | 78 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 268 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1345 kg |
| Vehicle Length | 4590 mm | 4340 mm |
| Vehicle Width | 1430 mm | 1810 mm |
| Vehicle Height | 1780 mm | 1300 mm |
| Wheelbase Size | 2650 mm | 2420 mm |
| Fuel Consumption Overall | 10.3 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 63 L | 53 L |
