2007 Cadillac STS vs. 1972 Plymouth Valiant
To start off, 2007 Cadillac STS is newer by 35 year(s). Which means there will be less support and parts availability for 1972 Plymouth Valiant. In addition, the cost of maintenance, including insurance, on 1972 Plymouth Valiant 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 (322 HP @ 6400 RPM) has 213 more horse power than 1972 Plymouth Valiant. (109 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1972 Plymouth Valiant. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 510 kg more than 1972 Plymouth Valiant. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1972 Plymouth Valiant. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS will offer significantly more control. 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 @ 4400 RPM) has 176 more torque (in Nm) than 1972 Plymouth Valiant. (251 Nm @ 2000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1972 Plymouth Valiant.
Compare all specifications:
| 2007 Cadillac STS | 1972 Plymouth Valiant | |
| Make | Cadillac | Plymouth |
| Model | STS | Valiant |
| Year Released | 2007 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3678 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 109 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 251 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 86.4 mm |
| Engine Stroke Size | 84 mm | 104.6 mm |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1310 kg |
| Vehicle Length | 4990 mm | 4790 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2960 mm | 2750 mm |
| Fuel Tank Capacity | 66 L | 60 L |
