1984 Ford Sierra vs. 1997 Pontiac Firebird
To start off, 1997 Pontiac Firebird is newer by 13 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,785 cc (6 cylinders), 1997 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1997 Pontiac Firebird (198 HP @ 5200 RPM) has 84 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 1997 Pontiac Firebird should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1997 Pontiac Firebird weights approximately 425 kg more than 1984 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, 1997 Pontiac Firebird (305 Nm @ 4000 RPM) has 129 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 1997 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 1984 Ford Sierra has automatic transmission and 1997 Pontiac Firebird has manual transmission. 1997 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Ford Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 1997 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1984 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3785 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 114 HP | 198 HP |
| Engine RPM | 5300 RPM | 5200 RPM |
| Torque | 176 Nm | 305 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 90 mm | 96.5 mm |
| Engine Stroke Size | 60.1 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1115 kg | 1540 kg |
| Vehicle Length | 4420 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1320 mm |
| Wheelbase Size | 2610 mm | 2570 mm |
| Fuel Tank Capacity | 60 L | 76 L |
