2005 Audi A8 vs. 1987 Porsche 911
To start off, 2005 Audi A8 is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Porsche 911. In addition, the cost of maintenance, including insurance, on 1987 Porsche 911 would be higher. At 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 107 more horse power than 1987 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1987 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 735 kg more than 1987 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 A8 (430 Nm) has 144 more torque (in Nm) than 1987 Porsche 911. (286 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 911.
Compare all specifications:
| 2005 Audi A8 | 1987 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4178 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 228 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 430 Nm | 286 Nm |
| Engine Bore Size | 85 mm | 95 mm |
| Engine Stroke Size | 93 mm | 74.4 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1210 kg |
| Vehicle Length | 5060 mm | 4300 mm |
| Vehicle Width | 1900 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2950 mm | 2270 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
