1991 Cadillac DeVille vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1991 Cadillac DeVille would be higher. At 4,894 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (355 HP @ 6800 RPM) has 158 more horse power than 1991 Cadillac DeVille. (197 HP @ 4100 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac DeVille weights approximately 110 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac DeVille, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Porsche 911 (385 Nm @ 4600 RPM) has 12 more torque (in Nm) than 1991 Cadillac DeVille. (373 Nm @ 3000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1991 Cadillac DeVille | 2005 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | DeVille | 911 |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 4894 cc | 3818 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 197 HP | 355 HP |
| Engine RPM | 4100 RPM | 6800 RPM |
| Torque | 373 Nm | 385 Nm |
| Torque RPM | 3000 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 99 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1610 kg | 1500 kg |
| Vehicle Length | 5160 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2820 mm | 2360 mm |
