2006 Cadillac STS vs. 1975 Pontiac Firebird
To start off, 2006 Cadillac STS is newer by 31 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 7,462 cc (8 cylinders), 1975 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1975 Pontiac Firebird (296 HP @ 4000 RPM) has 43 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 1975 Pontiac Firebird should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 32 kg more than 1975 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, 1975 Pontiac Firebird (563 Nm @ 3200 RPM) has 221 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 1975 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 1975 Pontiac Firebird | |
| Make | Cadillac | Pontiac |
| Model | STS | Firebird |
| Year Released | 2006 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 296 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 563 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 94 mm | 105.4 mm |
| Engine Stroke Size | 85.6 mm | 106.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1750 kg |
| Vehicle Length | 4990 mm | 4870 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2750 mm |
| Fuel Tank Capacity | 66 L | 76 L |
