2009 Cadillac CTS vs. 1991 Porsche 928
To start off, 2009 Cadillac CTS is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 5,397 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 38 more horse power than 2009 Cadillac CTS. (307 HP @ 6400 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2009 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac CTS weights approximately 188 kg more than 1991 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, 1991 Porsche 928 (500 Nm @ 4250 RPM) has 126 more torque (in Nm) than 2009 Cadillac CTS. (374 Nm @ 5200 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac CTS.
Compare all specifications:
| 2009 Cadillac CTS | 1991 Porsche 928 | |
| Make | Cadillac | Porsche |
| Model | CTS | 928 |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 5397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 307 HP | 345 HP |
| Engine RPM | 6400 RPM | 5700 RPM |
| Torque | 374 Nm | 500 Nm |
| Torque RPM | 5200 RPM | 4250 RPM |
| Engine Bore Size | 94 mm | 100.1 mm |
| Engine Stroke Size | 85.6 mm | 85.9 mm |
| Engine Compression Ratio | 9.0:1 | 10.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1788 kg | 1600 kg |
| Vehicle Length | 4870 mm | 4450 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2510 mm |
| Fuel Tank Capacity | 68 L | 86 L |
