2005 Audi S4 vs. 1987 Porsche 911
To start off, 2005 Audi S4 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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 112 more horse power than 1987 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1987 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 630 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 S4 (410 Nm) has 124 more torque (in Nm) than 1987 Porsche 911. (286 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 911.
Compare all specifications:
| 2005 Audi S4 | 1987 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2005 | 1987 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 228 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 410 Nm | 286 Nm |
| Engine Bore Size | 85 mm | 95 mm |
| Engine Stroke Size | 93 mm | 74.4 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1210 kg |
| Vehicle Length | 4580 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
