1998 Audi S8 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 S8. In addition, the cost of maintenance, including insurance, on 1998 Audi S8 would be higher. At 4,172 cc (8 cylinders), 1998 Audi S8 is equipped with a bigger engine. In terms of performance, 1998 Audi S8 (335 HP) has 19 more horse power than 2007 Porsche 911. (316 HP). In normal driving conditions, 1998 Audi S8 should accelerate faster than 2007 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1998 Audi S8 weights approximately 240 kg more than 2007 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1998 Audi S8 (557 Nm) has 187 more torque (in Nm) than 2007 Porsche 911. (370 Nm). This means 1998 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911. 2007 Porsche 911 has automatic transmission and 1998 Audi S8 has manual transmission. 1998 Audi S8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Audi S8 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S8 | 911 |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3595 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 316 HP |
| Torque | 557 Nm | 370 Nm |
| Engine Bore Size | 84.6 mm | 96 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Top Speed | 251 km/hour | 285 km/hour |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1725 kg | 1485 kg |
| Vehicle Length | 5040 mm | 4440 mm |
| Vehicle Width | 1890 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
