2009 Cadillac STS vs. 1971 Ford Zephyr
To start off, 2009 Cadillac STS is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Ford Zephyr. In addition, the cost of maintenance, including insurance, on 1971 Ford Zephyr 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 221 more horse power than 1971 Ford Zephyr. (81 HP @ 4750 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1971 Ford Zephyr. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 385 kg more than 1971 Ford Zephyr. 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 216 more torque (in Nm) than 1971 Ford Zephyr. (153 Nm @ 2750 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford Zephyr.
Compare all specifications:
| 2009 Cadillac STS | 1971 Ford Zephyr | |
| Make | Cadillac | Ford |
| Model | STS | Zephyr |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 81 HP |
| Engine RPM | 6300 RPM | 4750 RPM |
| Torque | 369 Nm | 153 Nm |
| Torque RPM | 5200 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1635 kg | 1250 kg |
| Vehicle Length | 5000 mm | 4710 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1490 mm |
| Wheelbase Size | 2960 mm | 2930 mm |
