1989 Ford Sierra vs. 1998 Pontiac Firebird
To start off, 1998 Pontiac Firebird is newer by 9 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 3,353 cc (6 cylinders), 1998 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1998 Pontiac Firebird (147 HP @ 4600 RPM) has 46 more horse power than 1989 Ford Sierra. (101 HP @ 5200 RPM) In normal driving conditions, 1998 Pontiac Firebird should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Pontiac Firebird weights approximately 382 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, 1998 Pontiac Firebird (257 Nm @ 3150 RPM) has 104 more torque (in Nm) than 1989 Ford Sierra. (153 Nm @ 4000 RPM). This means 1998 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 1998 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1989 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 3353 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 147 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 153 Nm | 257 Nm |
| Torque RPM | 4000 RPM | 3150 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1146 kg | 1528 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1900 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2570 mm |
