1991 Ford Thunderbird vs. 2006 Ford F-150
To start off, 2006 Ford F-150 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1991 Ford Thunderbird would be higher. At 5,408 cc (8 cylinders), 2006 Ford F-150 is equipped with a bigger engine. In terms of performance, 2006 Ford F-150 (300 HP @ 5000 RPM) has 162 more horse power than 1991 Ford Thunderbird. (138 HP @ 3800 RPM) In normal driving conditions, 2006 Ford F-150 should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 2006 Ford F-150 weights approximately 105 kg more than 1991 Ford Thunderbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Ford F-150 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2006 Ford F-150 will offer significantly more control. 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, 2006 Ford F-150 (496 Nm @ 3750 RPM) has 205 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 2006 Ford F-150 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 1991 Ford Thunderbird | 2006 Ford F-150 | |
| Make | Ford | Ford |
| Model | Thunderbird | F-150 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 5408 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 300 HP |
| Engine RPM | 3800 RPM | 5000 RPM |
| Torque | 291 Nm | 496 Nm |
| Torque RPM | 2400 RPM | 3750 RPM |
| Engine Bore Size | 96.9 mm | 90 mm |
| Engine Stroke Size | 86 mm | 106 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1715 kg |
| Vehicle Length | 5050 mm | 5540 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1350 mm | 1940 mm |
| Wheelbase Size | 2880 mm | 3370 mm |
| Fuel Tank Capacity | 45 L | 98 L |
