1991 Ford Mustang vs. 1989 Ford Sierra
To start off, 1991 Ford Mustang is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 2,301 cc (4 cylinders), 1991 Ford Mustang is equipped with a bigger engine. In terms of performance, 1991 Ford Mustang (106 HP @ 4600 RPM) has 32 more horse power than 1989 Ford Sierra. (74 HP @ 5300 RPM). In normal driving conditions, 1991 Ford Mustang should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Mustang weights approximately 250 kg more than 1989 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 Mustang (183 Nm @ 2600 RPM) has 61 more torque (in Nm) than 1989 Ford Sierra. (122 Nm @ 2900 RPM). This means 1991 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1991 Ford Mustang | 1989 Ford Sierra | |
| Make | Ford | Ford |
| Model | Mustang | Sierra |
| Year Released | 1991 | 1989 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2301 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 106 HP | 74 HP |
| Engine RPM | 4600 RPM | 5300 RPM |
| Torque | 183 Nm | 122 Nm |
| Torque RPM | 2600 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1260 kg | 1010 kg |
| Vehicle Length | 4560 mm | 4500 mm |
| Vehicle Width | 1760 mm | 1680 mm |
| Vehicle Height | 1330 mm | 1400 mm |
| Wheelbase Size | 2560 mm | 2620 mm |
