2004 Audi S4 vs. 1971 Ford Mustang
To start off, 2004 Audi S4 is newer by 33 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 4,726 cc (8 cylinders), 1971 Ford Mustang is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 89 more horse power than 1971 Ford Mustang. (251 HP @ 5700 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1971 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 895 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, 2004 Audi S4 (411 Nm) has 265 more torque (in Nm) than 1971 Ford Mustang. (146 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford Mustang.
Compare all specifications:
| 2004 Audi S4 | 1971 Ford Mustang | |
| Make | Audi | Ford |
| Model | S4 | Mustang |
| Year Released | 2004 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4726 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 251 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 411 Nm | 146 Nm |
| Engine Bore Size | 85 mm | 101.6 mm |
| Engine Stroke Size | 93 mm | 72.9 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1000 kg |
| Vehicle Length | 4580 mm | 4820 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Wheelbase Size | 2770 mm | 2780 mm |
