1971 Ford Mustang vs. 1991 Porsche 911
To start off, 1991 Porsche 911 is newer by 20 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, 1971 Ford Mustang (330 HP @ 5400 RPM) has 102 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 1971 Ford Mustang should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1971 Ford Mustang weights approximately 440 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, 1971 Ford Mustang (503 Nm @ 4000 RPM) has 217 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 1971 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 1971 Ford Mustang | 1991 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Mustang | 911 |
| Year Released | 1971 | 1991 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 5752 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 330 HP | 228 HP |
| Engine RPM | 5400 RPM | 5900 RPM |
| Torque | 503 Nm | 286 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1175 kg |
| Vehicle Length | 4820 mm | 4300 mm |
| Vehicle Width | 1890 mm | 1660 mm |
| Vehicle Height | 1280 mm | 1260 mm |
