1987 Citroen AX vs. 1991 Ford Thunderbird
To start off, 1991 Ford Thunderbird is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Citroen AX. In addition, the cost of maintenance, including insurance, on 1987 Citroen AX 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 53 more horse power than 1987 Citroen AX. (85 HP @ 6400 RPM) In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 888 kg more than 1987 Citroen AX. 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, 1987 Citroen AX, 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 176 more torque (in Nm) than 1987 Citroen AX. (115 Nm @ 4000 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1991 Ford Thunderbird | |
| Make | Citroen | Ford |
| Model | AX | Thunderbird |
| Year Released | 1987 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1358 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 138 HP |
| Engine RPM | 6400 RPM | 3800 RPM |
| Torque | 115 Nm | 291 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 75 mm | 96.9 mm |
| Engine Stroke Size | 77 mm | 86 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 722 kg | 1610 kg |
| Vehicle Length | 3540 mm | 5050 mm |
| Vehicle Width | 1610 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1350 mm |
| Wheelbase Size | 2290 mm | 2880 mm |
