2005 Audi A8 vs. 2001 Porsche 911
To start off, 2005 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Porsche 911. In addition, the cost of maintenance, including insurance, on 2001 Porsche 911 would be higher. At 3,934 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (300 HP @ 6000 RPM) has 24 more horse power than 2005 Audi A8. (276 HP @ 3750 RPM) In normal driving conditions, 2001 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 620 kg more than 2001 Porsche 911.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 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, 2005 Audi A8 (650 Nm) has 299 more torque (in Nm) than 2001 Porsche 911. (351 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Porsche 911. 2005 Audi A8 has automatic transmission and 2001 Porsche 911 has manual transmission. 2001 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2001 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3934 cc | 3392 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 276 HP | 300 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 650 Nm | 351 Nm |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 95.5 mm | 78 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1320 kg |
| Vehicle Length | 5060 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1320 mm |
| Wheelbase Size | 2950 mm | 2360 mm |
