2003 Lexus GS vs. 1981 Pontiac Firebird
To start off, 2003 Lexus GS is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 3,790 cc (6 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2003 Lexus GS (215 HP @ 5600 RPM) has 105 more horse power than 1981 Pontiac Firebird. (110 HP @ 3800 RPM). In normal driving conditions, 2003 Lexus GS should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lexus GS weights approximately 55 kg more than 1981 Pontiac Firebird. 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, 2003 Lexus GS (296 Nm @ 4200 RPM) has 40 more torque (in Nm) than 1981 Pontiac Firebird. (256 Nm @ 1600 RPM). This means 2003 Lexus GS will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird.
Compare all specifications:
| 2003 Lexus GS | 1981 Pontiac Firebird | |
| Make | Lexus | Pontiac |
| Model | GS | Firebird |
| Year Released | 2003 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 3790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 110 HP |
| Engine RPM | 5600 RPM | 3800 RPM |
| Torque | 296 Nm | 256 Nm |
| Torque RPM | 4200 RPM | 1600 RPM |
| Engine Bore Size | 86 mm | 96.5 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 149 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1605 kg |
| Vehicle Length | 4810 mm | 5040 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1260 mm |
| Wheelbase Size | 2680 mm | 2750 mm |
| Fuel Tank Capacity | 75 L | 79 L |
