1991 Ford Thunderbird vs. 2002 Jeep Grand Cherokee
To start off, 2002 Jeep Grand Cherokee is newer by 11 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 4,942 cc (8 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (197 HP @ 4000 RPM) has 2 more horse power than 2002 Jeep Grand Cherokee. (195 HP @ 4600 RPM). In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 2002 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 36 kg more than 2002 Jeep Grand Cherokee. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Jeep Grand Cherokee 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, 2002 Jeep Grand Cherokee 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, 1991 Ford Thunderbird (373 Nm @ 3000 RPM) has 61 more torque (in Nm) than 2002 Jeep Grand Cherokee. (312 Nm @ 3000 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 2002 Jeep Grand Cherokee.
Compare all specifications:
| 1991 Ford Thunderbird | 2002 Jeep Grand Cherokee | |
| Make | Ford | Jeep |
| Model | Thunderbird | Grand Cherokee |
| Year Released | 1991 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 3960 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 195 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 373 Nm | 312 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 101.6 mm | 98.3 mm |
| Engine Stroke Size | 76.2 mm | 86.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1752 kg | 1716 kg |
| Vehicle Length | 5050 mm | 4620 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1350 mm | 1770 mm |
| Wheelbase Size | 2880 mm | 2700 mm |
