1999 Audi A4 vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 11 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 3,800 cc (6 cylinders), 2010 Porsche 911 is equipped with a bigger engine. In terms of performance, 2010 Porsche 911 (385 HP @ 6500 RPM) has 262 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2010 Porsche 911 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche 911 weights approximately 335 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 2010 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2010 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. Let's talk about torque, 2010 Porsche 911 (420 Nm @ 4400 RPM) has 247 more torque (in Nm) than 1999 Audi A4. (173 Nm @ 3950 RPM). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2010 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 1999 | 2010 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 123 HP | 385 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 173 Nm | 420 Nm |
| Torque RPM | 3950 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1230 kg | 1565 kg |
| Vehicle Length | 4480 mm | 4465 mm |
| Vehicle Width | 1740 mm | 1808 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2520 mm | 2350 mm |
| Fuel Tank Capacity | 60 L | 67 L |
