1991 Ford Sierra vs. 1989 Pontiac Trans Sport
To start off, 1991 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Pontiac Trans Sport. In addition, the cost of maintenance, including insurance, on 1989 Pontiac Trans Sport would be higher. At 3,135 cc (6 cylinders), 1989 Pontiac Trans Sport is equipped with a bigger engine. In terms of performance, 1989 Pontiac Trans Sport (164 HP @ 4300 RPM) has 90 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 1989 Pontiac Trans Sport should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Trans Sport weights approximately 555 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Ford Sierra 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 Sierra. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Trans Sport, 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, 1989 Pontiac Trans Sport (298 Nm @ 3200 RPM) has 175 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 1989 Pontiac Trans Sport will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra. 1989 Pontiac Trans Sport has automatic transmission and 1991 Ford Sierra has manual transmission. 1991 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Pontiac Trans Sport will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Ford Sierra | 1989 Pontiac Trans Sport | |
| Make | Ford | Pontiac |
| Model | Sierra | Trans Sport |
| Year Released | 1991 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 3135 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 164 HP |
| Engine RPM | 4900 RPM | 4300 RPM |
| Torque | 123 Nm | 298 Nm |
| Torque RPM | 2900 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1015 kg | 1570 kg |
| Vehicle Length | 4430 mm | 4930 mm |
| Vehicle Width | 1700 mm | 1890 mm |
| Vehicle Height | 1370 mm | 1670 mm |
| Wheelbase Size | 2620 mm | 2800 mm |
