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 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 2 more horse power than 2009 Cadillac CTS. (304 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 108 kg more than 1991 Porsche 928.
Because 2009 Cadillac CTS is four wheel drive (4WD), it will have significant more traction and grip than 1991 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac CTS 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, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 38 more torque (in Nm) than 2009 Cadillac CTS. (370 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. 2009 Cadillac CTS has automatic transmission and 1991 Porsche 928 has manual transmission. 1991 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac CTS will be easier to drive especially in heavy traffic.
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 | 3600 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 304 HP | 306 HP |
| Engine RPM | 6400 RPM | 5900 RPM |
| Torque | 370 Nm | 408 Nm |
| Torque RPM | 5200 RPM | 4100 RPM |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1638 kg | 1530 kg |
| Vehicle Length | 4870 mm | 4530 mm |
| Vehicle Width | 1850 mm | 2060 mm |
| Vehicle Height | 1480 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2510 mm |
| Fuel Tank Capacity | 68 L | 76 L |
