2006 Isuzu Ascender vs. 1977 Pontiac Firebird
To start off, 2006 Isuzu Ascender is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 5,012 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2006 Isuzu Ascender (291 HP @ 6000 RPM) has 146 more horse power than 1977 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 2006 Isuzu Ascender should accelerate faster than 1977 Pontiac Firebird.
Because 2006 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 1977 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Isuzu Ascender (376 Nm @ 4800 RPM) has 52 more torque (in Nm) than 1977 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 2006 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 1977 Pontiac Firebird.
Compare all specifications:
| 2006 Isuzu Ascender | 1977 Pontiac Firebird | |
| Make | Isuzu | Pontiac |
| Model | Ascender | Firebird |
| Year Released | 2006 | 1977 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5012 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 291 HP | 145 HP |
| Engine RPM | 6000 RPM | 3800 RPM |
| Torque | 376 Nm | 324 Nm |
| Torque RPM | 4800 RPM | 2400 RPM |
| Engine Bore Size | 93 mm | 95 mm |
| Engine Stroke Size | 102 mm | 88.4 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4870 mm | 4880 mm |
| Vehicle Width | 1940 mm | 1870 mm |
| Vehicle Height | 1900 mm | 1290 mm |
| Wheelbase Size | 2880 mm | 2750 mm |
| Fuel Tank Capacity | 82 L | 76 L |
