1991 Ford Thunderbird vs. 1974 Porsche 911
To start off, 1991 Ford Thunderbird is newer by 17 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 4,942 cc (8 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (197 HP @ 4000 RPM) has 24 more horse power than 1974 Porsche 911. (173 HP @ 5800 RPM). In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 677 kg more than 1974 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1991 Ford Thunderbird (373 Nm @ 3000 RPM) has 133 more torque (in Nm) than 1974 Porsche 911. (240 Nm @ 4000 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911.
Compare all specifications:
| 1991 Ford Thunderbird | 1974 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Thunderbird | 911 |
| Year Released | 1991 | 1974 |
| Engine Position | Front | Rear |
| Engine Size | 4942 cc | 2687 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 197 HP | 173 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 373 Nm | 240 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 101.6 mm | 90.1 mm |
| Engine Stroke Size | 76.2 mm | 70.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1752 kg | 1075 kg |
| Vehicle Length | 5050 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1350 mm | 1330 mm |
| Wheelbase Size | 2880 mm | 2270 mm |
| Fuel Tank Capacity | 65 L | 79 L |
