1991 Ford Thunderbird vs. 2009 Kia Sorento
To start off, 2009 Kia Sorento is newer by 18 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 3,791 cc (6 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, both vehicles can yield 138 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Sorento weights approximately 446 kg more than 1991 Ford Thunderbird.
Because 2009 Kia Sorento 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, 2009 Kia Sorento 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, 2009 Kia Sorento (315 Nm @ 2000 RPM) has 24 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 2009 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 1991 Ford Thunderbird | 2009 Kia Sorento | |
| Make | Ford | Kia |
| Model | Thunderbird | Sorento |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 138 HP |
| Engine RPM | 3800 RPM | 3800 RPM |
| Torque | 291 Nm | 315 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Engine Bore Size | 96.9 mm | 91 mm |
| Engine Stroke Size | 86 mm | 96 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1610 kg | 2056 kg |
| Vehicle Length | 5050 mm | 4570 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1350 mm | 1820 mm |
| Wheelbase Size | 2880 mm | 2720 mm |
| Fuel Tank Capacity | 45 L | 60 L |
