2005 Audi S6 vs. 1991 Porsche 911
To start off, 2005 Audi S6 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 107 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 640 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S6 (420 Nm @ 3400 RPM) has 134 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2005 Audi S6 | 1991 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S6 | 911 |
| Year Released | 2005 | 1991 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 335 HP | 228 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 420 Nm | 286 Nm |
| Torque RPM | 3400 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1175 kg |
| Vehicle Length | 4840 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1260 mm |
