2003 Isuzu Ascender vs. 1975 Pontiac Firebird
To start off, 2003 Isuzu Ascender is newer by 28 year(s). Which means there will be less support and parts availability for 1975 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1975 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1975 Pontiac Firebird (285 HP @ 4400 RPM) has 3 more horse power than 2003 Isuzu Ascender. (282 HP @ 5200 RPM) In normal driving conditions, 1975 Pontiac Firebird should accelerate faster than 2003 Isuzu Ascender.
Because 2003 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 1975 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2003 Isuzu Ascender will offer significantly more control. 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, 2003 Isuzu Ascender (441 Nm @ 4000 RPM) has 20 more torque (in Nm) than 1975 Pontiac Firebird. (421 Nm @ 2400 RPM). This means 2003 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 1975 Pontiac Firebird.
Compare all specifications:
| 2003 Isuzu Ascender | 1975 Pontiac Firebird | |
| Make | Isuzu | Pontiac |
| Model | Ascender | Firebird |
| Year Released | 2003 | 1975 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 6547 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 282 HP | 285 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 441 Nm | 421 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 5280 mm | 4880 mm |
| Vehicle Width | 1940 mm | 1870 mm |
| Vehicle Height | 1920 mm | 1290 mm |
| Wheelbase Size | 3280 mm | 2750 mm |
