2003 Chevrolet Astro vs. 1973 Pontiac Firebird
To start off, 2003 Chevrolet Astro is newer by 30 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 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (296 HP @ 4000 RPM) has 109 more horse power than 2003 Chevrolet Astro. (187 HP @ 4400 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 2003 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 2003 Chevrolet Astro weights approximately 200 kg more than 1973 Pontiac Firebird.
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, 1973 Pontiac Firebird (563 Nm @ 3200 RPM) has 224 more torque (in Nm) than 2003 Chevrolet Astro. (339 Nm @ 2800 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2003 Chevrolet Astro.
Compare all specifications:
| 2003 Chevrolet Astro | 1973 Pontiac Firebird | |
| Make | Chevrolet | Pontiac |
| Model | Astro | Firebird |
| Year Released | 2003 | 1973 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4292 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 187 HP | 296 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 339 Nm | 563 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Engine Bore Size | 102 mm | 105.4 mm |
| Engine Stroke Size | 88 mm | 106.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 8 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1750 kg |
| Vehicle Length | 4830 mm | 4870 mm |
| Vehicle Width | 1980 mm | 1870 mm |
| Vehicle Height | 1910 mm | 1290 mm |
| Wheelbase Size | 2830 mm | 2750 mm |
| Fuel Tank Capacity | 117 L | 76 L |
