2009 Audi A4 vs. 1999 Porsche Boxster
To start off, 2009 Audi A4 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 1999 Porsche Boxster would be higher. At 3,179 cc (6 cylinders), 1999 Porsche Boxster is equipped with a bigger engine. In terms of performance, 1999 Porsche Boxster (252 HP @ 6250 RPM) has 30 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 1999 Porsche Boxster should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 315 kg more than 1999 Porsche Boxster.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 145 more torque (in Nm) than 1999 Porsche Boxster. (305 Nm @ 4500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche Boxster.
Compare all specifications:
| 2009 Audi A4 | 1999 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | A4 | Boxster |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2965 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 222 HP | 252 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 450 Nm | 305 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 93.1 mm |
| Engine Stroke Size | 91.4 mm | 78 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Acceleration 0-100mph | 7.2 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1295 kg |
| Vehicle Length | 4550 mm | 4320 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2420 mm |
| Fuel Tank Capacity | 70 L | 64 L |
