1991 Cadillac DeVille vs. 2009 Cadillac DTS
To start off, 2009 Cadillac DTS is newer by 18 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, 2009 Cadillac DTS (292 HP @ 6300 RPM) has 95 more horse power than 1991 Cadillac DeVille. (197 HP @ 4100 RPM) In normal driving conditions, 2009 Cadillac DTS should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac DTS weights approximately 25 kg more than 1991 Cadillac DeVille. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2009 Cadillac DTS (391 Nm @ 4500 RPM) has 18 more torque (in Nm) than 1991 Cadillac DeVille. (373 Nm @ 3000 RPM). This means 2009 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1991 Cadillac DeVille | 2009 Cadillac DTS | |
| Make | Cadillac | Cadillac |
| Model | DeVille | DTS |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4894 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 292 HP |
| Engine RPM | 4100 RPM | 6300 RPM |
| Torque | 373 Nm | 391 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1610 kg | 1635 kg |
| Vehicle Length | 5160 mm | 5280 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2940 mm |
