1992 Ford Sierra vs. 1991 Ford Thunderbird
To start off, 1992 Ford Sierra is newer by 1 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 64 more horse power than 1992 Ford Sierra. (74 HP @ 5300 RPM) In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 1992 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 600 kg more than 1992 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 169 more torque (in Nm) than 1992 Ford Sierra. (122 Nm @ 2900 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1992 Ford Sierra.
Compare all specifications:
| 1992 Ford Sierra | 1991 Ford Thunderbird | |
| Make | Ford | Ford |
| Model | Sierra | Thunderbird |
| Year Released | 1992 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 138 HP |
| Engine RPM | 5300 RPM | 3800 RPM |
| Torque | 122 Nm | 291 Nm |
| Torque RPM | 2900 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1010 kg | 1610 kg |
| Vehicle Length | 4500 mm | 5050 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1350 mm |
| Wheelbase Size | 2620 mm | 2880 mm |
