2009 Cadillac STS vs. 1989 Ford Sierra
To start off, 2009 Cadillac STS is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 152 more horse power than 1989 Ford Sierra. (148 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 487 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra will offer significantly more control. 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 STS (273 Nm @ 5200 RPM) has 35 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2009 Cadillac STS has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 1989 Ford Sierra | |
| Make | Cadillac | Ford |
| Model | STS | Sierra |
| Year Released | 2009 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2933 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 148 HP |
| Torque | 273 Nm | 238 Nm |
| Torque RPM | 5200 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1295 kg |
| Vehicle Length | 4990 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2610 mm |
| Fuel Tank Capacity | 58 L | 55 L |
