1999 Audi A4 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (341 HP @ 6500 RPM) has 94 more horse power than 1999 Audi A4. (247 HP @ 5700 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 270 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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.
Compare all specifications:
| 1999 Audi A4 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 247 HP | 341 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Top Speed | 221 km/hour | 284 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1530 kg |
| Vehicle Length | 4480 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1310 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2620 mm | 2360 mm |
| Fuel Tank Capacity | 62 L | 67 L |
