2005 Audi A8 vs. 1997 Porsche 911
To start off, 2005 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 1997 Porsche 911. In addition, the cost of maintenance, including insurance, on 1997 Porsche 911 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 1997 Porsche 911 (537 HP @ 7000 RPM) has 87 more horse power than 2005 Audi A8. (450 HP @ 6300 RPM) In normal driving conditions, 1997 Porsche 911 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 995 kg more than 1997 Porsche 911.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1997 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 1997 Porsche 911 (600 Nm) has 40 more torque (in Nm) than 2005 Audi A8. (560 Nm). This means 1997 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 1997 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 1997 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5998 cc | 3164 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 537 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 560 Nm | 600 Nm |
| Engine Bore Size | 84.1 mm | 95 mm |
| Engine Stroke Size | 90 mm | 74.4 mm |
| Drive Type | 4WD | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2145 kg | 1150 kg |
| Vehicle Length | 5200 mm | 4710 mm |
| Vehicle Width | 1900 mm | 1960 mm |
| Vehicle Height | 1460 mm | 1170 mm |
| Wheelbase Size | 3080 mm | 2280 mm |
| Fuel Tank Capacity | 90 L | 100 L |
