1999 Audi A4 vs. 1999 Porsche 911
To start off, both 1999 Audi A4 and 1999 Porsche 911 were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP) has 264 more horse power than 1999 Audi A4. (150 HP) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1999 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1999 Porsche 911 (560 Nm) has 350 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 1999 Porsche 911 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 1999 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 1999 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1779 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 150 HP | 414 HP |
| Torque | 210 Nm | 560 Nm |
| Engine Bore Size | 81 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76.4 mm |
| Engine Compression Ratio | 9.5:1 | 9.4:1 |
| Top Speed | 220 km/hour | 298 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4480 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
