2009 Cadillac STS vs. 1971 Pontiac Grand Prix
To start off, 2009 Cadillac STS is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1971 Pontiac Grand Prix would be higher. At 6,545 cc (8 cylinders), 1971 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 55 more horse power than 1971 Pontiac Grand Prix. (247 HP @ 4400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1971 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 1971 Pontiac Grand Prix weights approximately 165 kg more than 2009 Cadillac STS.
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, 1971 Pontiac Grand Prix (461 Nm @ 3200 RPM) has 92 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 1971 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 1971 Pontiac Grand Prix | |
| Make | Cadillac | Pontiac |
| Model | STS | Grand Prix |
| Year Released | 2009 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 6545 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 302 HP | 247 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 369 Nm | 461 Nm |
| Torque RPM | 5200 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1800 kg |
| Vehicle Length | 5000 mm | 5350 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2960 mm | 3030 mm |
| Fuel Tank Capacity | 64 L | 38 L |
