2007 Cadillac STS vs. 1957 Citroen 15
To start off, 2007 Cadillac STS is newer by 50 year(s). Which means there will be less support and parts availability for 1957 Citroen 15. In addition, the cost of maintenance, including insurance, on 1957 Citroen 15 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (321 HP @ 6400 RPM) has 245 more horse power than 1957 Citroen 15. (76 HP @ 3800 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1957 Citroen 15. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 310 kg more than 1957 Citroen 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2007 Cadillac STS (427 Nm) has 240 more torque (in Nm) than 1957 Citroen 15. (187 Nm). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1957 Citroen 15. 2007 Cadillac STS has automatic transmission and 1957 Citroen 15 has manual transmission. 1957 Citroen 15 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 1957 Citroen 15 | |
| Make | Cadillac | Citroen |
| Model | STS | 15 |
| Year Released | 2007 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2866 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 76 HP |
| Engine RPM | 6400 RPM | 3800 RPM |
| Torque | 427 Nm | 187 Nm |
| Engine Bore Size | 93 mm | 78 mm |
| Engine Stroke Size | 84 mm | 100 mm |
| Engine Compression Ratio | 10.5:1 | 6.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1635 kg | 1325 kg |
| Vehicle Length | 4990 mm | 4770 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1570 mm |
| Wheelbase Size | 2960 mm | 3100 mm |
