1998 Audi A8 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Audi A8. In addition, the cost of maintenance, including insurance, on 1998 Audi A8 would be higher. At 4,172 cc (8 cylinders), 1998 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (350 HP) has 50 more horse power than 1998 Audi A8. (300 HP) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1998 Audi A8.
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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 1998 Audi A8 has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Audi A8 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 350 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 84.6 mm | 99 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.8:1 |
| Top Speed | 250 km/hour | 288 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5040 mm | 4440 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
