1973 Mercury Cougar vs. 1991 Porsche 911
To start off, 1991 Porsche 911 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1973 Mercury Cougar would be higher. At 5,769 cc (8 cylinders), 1973 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1991 Porsche 911 (228 HP @ 5900 RPM) has 60 more horse power than 1973 Mercury Cougar. (168 HP @ 4000 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 1973 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Cougar weights approximately 475 kg more than 1991 Porsche 911.
Let's talk about torque, 1973 Mercury Cougar (363 Nm @ 2400 RPM) has 77 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 1973 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 1973 Mercury Cougar | 1991 Porsche 911 | |
| Make | Mercury | Porsche |
| Model | Cougar | 911 |
| Year Released | 1973 | 1991 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 5769 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 168 HP | 228 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 363 Nm | 286 Nm |
| Torque RPM | 2400 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1175 kg |
| Vehicle Length | 5080 mm | 4300 mm |
| Vehicle Width | 1920 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1260 mm |
