2005 Cadillac STS vs. 1971 Peugeot 504
To start off, 2005 Cadillac STS is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Peugeot 504. In addition, the cost of maintenance, including insurance, on 1971 Peugeot 504 would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 174 more horse power than 1971 Peugeot 504. (81 HP @ 5500 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1971 Peugeot 504. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 636 kg more than 1971 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, 2005 Cadillac STS (339 Nm @ 3200 RPM) has 205 more torque (in Nm) than 1971 Peugeot 504. (134 Nm @ 3000 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1971 Peugeot 504. 2005 Cadillac STS has automatic transmission and 1971 Peugeot 504 has manual transmission. 1971 Peugeot 504 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac STS | 1971 Peugeot 504 | |
| Make | Cadillac | Peugeot |
| Model | STS | 504 |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 81 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 339 Nm | 134 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 94 mm | 84 mm |
| Engine Stroke Size | 86 mm | 81 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1796 kg | 1160 kg |
| Vehicle Length | 4990 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Tank Capacity | 64 L | 55 L |
