2009 Cadillac STS vs. 1977 Peugeot 504
To start off, 2009 Cadillac STS is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Peugeot 504. In addition, the cost of maintenance, including insurance, on 1977 Peugeot 504 would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 230 more horse power than 1977 Peugeot 504. (72 HP @ 4500 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1977 Peugeot 504. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 369 kg more than 1977 Peugeot 504. 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 236 more torque (in Nm) than 1977 Peugeot 504. (133 Nm @ 2000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1977 Peugeot 504. 2009 Cadillac STS has automatic transmission and 1977 Peugeot 504 has manual transmission. 1977 Peugeot 504 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 1977 Peugeot 504 | |
| Make | Cadillac | Peugeot |
| Model | STS | 504 |
| Year Released | 2009 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 2304 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 302 HP | 72 HP |
| Engine RPM | 6300 RPM | 4500 RPM |
| Torque | 369 Nm | 133 Nm |
| Torque RPM | 5200 RPM | 2000 RPM |
| Engine Compression Ratio | 11.3:1 | 22.2:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1266 kg |
| Vehicle Length | 5000 mm | 4810 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1560 mm |
| Wheelbase Size | 2960 mm | 2910 mm |
| Fuel Tank Capacity | 64 L | 60 L |
