2009 Cadillac STS vs. 1987 Porsche 928
To start off, 2009 Cadillac STS is newer by 22 year(s). Which means there will be less support and parts availability for 1987 Porsche 928. In addition, the cost of maintenance, including insurance, on 1987 Porsche 928 would be higher. At 4,663 cc (8 cylinders), 1987 Porsche 928 is equipped with a bigger engine. In terms of performance, 1987 Porsche 928 (306 HP @ 5900 RPM) has 4 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 1987 Porsche 928 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 30 kg more than 1987 Porsche 928.
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, 1987 Porsche 928 (408 Nm @ 4100 RPM) has 39 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 1987 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 1987 Porsche 928 | |
| Make | Cadillac | Porsche |
| Model | STS | 928 |
| Year Released | 2009 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 306 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 369 Nm | 408 Nm |
| Torque RPM | 5200 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1530 kg |
| Vehicle Length | 5000 mm | 4450 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2510 mm |
| Fuel Tank Capacity | 64 L | 76 L |
