1991 Cadillac DeVille vs. 1991 Ford Sierra
To start off, both 1991 Cadillac DeVille and 1991 Ford Sierra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,087 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1991 Cadillac DeVille (129 HP @ 4200 RPM) has 54 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1991 Cadillac DeVille should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac DeVille weights approximately 395 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Cadillac DeVille (271 Nm @ 2200 RPM) has 119 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1991 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Cadillac DeVille | 1991 Ford Sierra | |
| Make | Cadillac | Ford |
| Model | DeVille | Sierra |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 1751 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 129 HP | 75 HP |
| Engine RPM | 4200 RPM | 4500 RPM |
| Torque | 271 Nm | 152 Nm |
| Torque RPM | 2200 RPM | 2200 RPM |
| Engine Bore Size | 88.1 mm | 82.5 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1145 kg |
| Vehicle Length | 4960 mm | 4430 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2820 mm | 2620 mm |
