1991 Ford Thunderbird vs. 2008 Jeep Commander
To start off, 2008 Jeep Commander is newer by 17 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 4,701 cc (8 cylinders), 2008 Jeep Commander is equipped with a bigger engine. In terms of performance, 2008 Jeep Commander (229 HP @ 4500 RPM) has 91 more horse power than 1991 Ford Thunderbird. (138 HP @ 3800 RPM) In normal driving conditions, 2008 Jeep Commander should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jeep Commander weights approximately 695 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 2008 Jeep Commander 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, 2008 Jeep Commander 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, 2008 Jeep Commander (410 Nm @ 3600 RPM) has 119 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 2008 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 1991 Ford Thunderbird | 2008 Jeep Commander | |
| Make | Ford | Jeep |
| Model | Thunderbird | Commander |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4701 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 229 HP |
| Engine RPM | 3800 RPM | 4500 RPM |
| Torque | 291 Nm | 410 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Engine Bore Size | 96.9 mm | 93 mm |
| Engine Stroke Size | 86 mm | 86.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1610 kg | 2305 kg |
| Vehicle Length | 5050 mm | 4790 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1350 mm | 1830 mm |
| Wheelbase Size | 2880 mm | 2790 mm |
| Fuel Tank Capacity | 45 L | 80 L |
