2007 Cadillac STS vs. 1990 Porsche 928
To start off, 2007 Cadillac STS is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Porsche 928. In addition, the cost of maintenance, including insurance, on 1990 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1990 Porsche 928 is equipped with a bigger engine. In terms of performance, 1990 Porsche 928 (306 HP @ 5900 RPM) has 53 more horse power than 2007 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 1990 Porsche 928 should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 252 kg more than 1990 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, 1990 Porsche 928 (408 Nm @ 4100 RPM) has 66 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 1990 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 1990 Porsche 928 | |
| Make | Cadillac | Porsche |
| Model | STS | 928 |
| Year Released | 2007 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 253 HP | 306 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 342 Nm | 408 Nm |
| Torque RPM | 3200 RPM | 4100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1530 kg |
| Vehicle Length | 4990 mm | 4450 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2510 mm |
| Fuel Tank Capacity | 66 L | 76 L |
