1990 Isuzu Impulse vs. 1973 Pontiac Firebird
To start off, 1990 Isuzu Impulse is newer by 17 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 5,792 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (158 HP @ 4400 RPM) has 28 more horse power than 1990 Isuzu Impulse. (130 HP @ 6800 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1990 Isuzu Impulse. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 475 kg more than 1990 Isuzu Impulse. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Pontiac Firebird 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 1973 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 1990 Isuzu Impulse, 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, 1973 Pontiac Firebird (366 Nm @ 2000 RPM) has 228 more torque (in Nm) than 1990 Isuzu Impulse. (138 Nm @ 4600 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1990 Isuzu Impulse.
Compare all specifications:
| 1990 Isuzu Impulse | 1973 Pontiac Firebird | |
| Make | Isuzu | Pontiac |
| Model | Impulse | Firebird |
| Year Released | 1990 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 5792 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 158 HP |
| Engine RPM | 6800 RPM | 4400 RPM |
| Torque | 138 Nm | 366 Nm |
| Torque RPM | 4600 RPM | 2000 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1110 kg | 1585 kg |
| Vehicle Length | 4220 mm | 4880 mm |
| Vehicle Width | 1700 mm | 1870 mm |
| Vehicle Height | 1300 mm | 1290 mm |
| Wheelbase Size | 2460 mm | 2750 mm |
