2009 Cadillac STS vs. 1987 Ford Sierra
To start off, 2009 Cadillac STS is newer by 22 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 189 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 545 kg more than 1987 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 189 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2009 Cadillac STS | 1987 Ford Sierra | |
| Make | Cadillac | Ford |
| Model | STS | Sierra |
| Year Released | 2009 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 113 HP |
| Engine RPM | 6300 RPM | 5300 RPM |
| Torque | 369 Nm | 180 Nm |
| Torque RPM | 5200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1090 kg |
| Vehicle Length | 5000 mm | 4400 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Tank Capacity | 64 L | 45 L |
