1972 Chevrolet Impala vs. 1991 Ford Thunderbird
To start off, 1991 Ford Thunderbird is newer by 19 year(s). Which means there will be less support and parts availability for 1972 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1972 Chevrolet Impala would be higher. At 4,093 cc (6 cylinders), 1972 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (138 HP @ 3800 RPM) has 28 more horse power than 1972 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 1972 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1972 Chevrolet Impala weights approximately 105 kg more than 1991 Ford Thunderbird.
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 (291 Nm @ 2400 RPM) has 35 more torque (in Nm) than 1972 Chevrolet Impala. (256 Nm @ 1600 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1972 Chevrolet Impala.
Compare all specifications:
| 1972 Chevrolet Impala | 1991 Ford Thunderbird | |
| Make | Chevrolet | Ford |
| Model | Impala | Thunderbird |
| Year Released | 1972 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 138 HP |
| Engine RPM | 3800 RPM | 3800 RPM |
| Torque | 256 Nm | 291 Nm |
| Torque RPM | 1600 RPM | 2400 RPM |
| Engine Bore Size | 98.2 mm | 96.9 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1610 kg |
| Vehicle Length | 5600 mm | 5050 mm |
| Vehicle Width | 2030 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1350 mm |
| Wheelbase Size | 3100 mm | 2880 mm |
| Fuel Tank Capacity | 68 L | 45 L |
