1991 Ford Thunderbird vs. 2006 Ford Ka
To start off, 2006 Ford Ka 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 3,791 cc (6 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (138 HP @ 3800 RPM) has 69 more horse power than 2006 Ford Ka. (69 HP @ 5600 RPM). In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 2006 Ford Ka. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 648 kg more than 2006 Ford Ka. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Ford Thunderbird is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Ford Thunderbird. However, in wet, icy, snow, or gravel driving conditions, 2006 Ford Ka, being front wheel drive (FWD), will offer much better control with better grip. 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 185 more torque (in Nm) than 2006 Ford Ka. (106 Nm @ 3000 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 2006 Ford Ka.
Compare all specifications:
| 1991 Ford Thunderbird | 2006 Ford Ka | |
| Make | Ford | Ford |
| Model | Thunderbird | Ka |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 69 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Torque | 291 Nm | 106 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Engine Bore Size | 96.9 mm | 74 mm |
| Engine Stroke Size | 86 mm | 75.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1610 kg | 962 kg |
| Vehicle Length | 5050 mm | 3630 mm |
| Vehicle Width | 1850 mm | 1650 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2880 mm | 2450 mm |
| Fuel Tank Capacity | 45 L | 40 L |
