1991 Cadillac DeVille vs. 2005 Kia Optima
To start off, 2005 Kia Optima 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 4,087 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 41 more horse power than 1991 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 2005 Kia Optima should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac DeVille weights approximately 53 kg more than 2005 Kia Optima.
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, 1991 Cadillac DeVille (271 Nm) has 26 more torque (in Nm) than 2005 Kia Optima. (245 Nm). This means 1991 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 1991 Cadillac DeVille | 2005 Kia Optima | |
| Make | Cadillac | Kia |
| Model | DeVille | Optima |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 2670 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 170 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 271 Nm | 245 Nm |
| Engine Bore Size | 88.1 mm | 87 mm |
| Engine Stroke Size | 84 mm | 75 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1487 kg |
| Vehicle Length | 4960 mm | 4730 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2820 mm | 2640 mm |
