1965 AC 427 vs. 1990 Ford Thunderbird
To start off, 1990 Ford Thunderbird is newer by 25 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 271 more horse power than 1990 Ford Thunderbird. (139 HP @ 3800 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1990 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 1990 Ford Thunderbird weights approximately 213 kg more than 1965 AC 427.
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, 1965 AC 427 (652 Nm @ 3700 RPM) has 361 more torque (in Nm) than 1990 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1990 Ford Thunderbird.
Compare all specifications:
| 1965 AC 427 | 1990 Ford Thunderbird | |
| Make | AC | Ford |
| Model | 427 | Thunderbird |
| Year Released | 1965 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 139 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 652 Nm | 291 Nm |
| Torque RPM | 3700 RPM | 2400 RPM |
| Engine Bore Size | 107.7 mm | 96.8 mm |
| Engine Stroke Size | 96 mm | 86 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1397 kg | 1610 kg |
| Vehicle Length | 4430 mm | 5050 mm |
| Vehicle Width | 1710 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1350 mm |
| Wheelbase Size | 2440 mm | 2880 mm |
| Fuel Tank Capacity | 81 L | 45 L |
