2005 Audi S4 vs. 1971 Ford Mustang
To start off, 2005 Audi S4 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1971 Ford Mustang would be higher. At 5,752 cc (8 cylinders), 1971 Ford Mustang is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 10 more horse power than 1971 Ford Mustang. (330 HP @ 5400 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1971 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 225 kg more than 1971 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 Ford Mustang (503 Nm) has 93 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1971 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1971 Ford Mustang | |
| Make | Audi | Ford |
| Model | S4 | Mustang |
| Year Released | 2005 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5752 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 330 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 410 Nm | 503 Nm |
| Engine Bore Size | 85 mm | 101.6 mm |
| Engine Stroke Size | 93 mm | 88.9 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1615 kg |
| Vehicle Length | 4580 mm | 4820 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Tank Capacity | 63 L | 75 L |
