1985 Cadillac DeVille vs. 1991 Pontiac Bonneville
To start off, 1991 Pontiac Bonneville is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1985 Cadillac DeVille would be higher. At 4,087 cc (8 cylinders), 1985 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1991 Pontiac Bonneville (150 HP @ 4400 RPM) has 21 more horse power than 1985 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 1991 Pontiac Bonneville should accelerate faster than 1985 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1985 Cadillac DeVille weights approximately 40 kg more than 1991 Pontiac Bonneville.
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, 1985 Cadillac DeVille (272 Nm @ 2200 RPM) has 1 more torque (in Nm) than 1991 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 1985 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Bonneville.
Compare all specifications:
| 1985 Cadillac DeVille | 1991 Pontiac Bonneville | |
| Make | Cadillac | Pontiac |
| Model | DeVille | Bonneville |
| Year Released | 1985 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 150 HP |
| Engine RPM | 4200 RPM | 4400 RPM |
| Torque | 272 Nm | 271 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Engine Bore Size | 88 mm | 96.6 mm |
| Engine Stroke Size | 84 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1500 kg |
| Vehicle Length | 4960 mm | 5050 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2820 mm | 2820 mm |
