1981 Buick Estate vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Buick Estate. In addition, the cost of maintenance, including insurance, on 1981 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1981 Buick Estate is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 168 more horse power than 1981 Buick Estate. (153 HP @ 3400 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1981 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 1981 Buick Estate weights approximately 60 kg more than 2009 Cadillac STS.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1981 Buick Estate. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS 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 (427 Nm @ 4400 RPM) has 47 more torque (in Nm) than 1981 Buick Estate. (380 Nm @ 1800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick Estate.
Compare all specifications:
| 1981 Buick Estate | 2009 Cadillac STS | |
| Make | Buick | Cadillac |
| Model | Estate | STS |
| Year Released | 1981 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 153 HP | 321 HP |
| Engine RPM | 3400 RPM | 6400 RPM |
| Torque | 380 Nm | 427 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Bore Size | 96.5 mm | 93 mm |
| Engine Stroke Size | 97.8 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1820 kg |
| Vehicle Length | 5510 mm | 4990 mm |
| Vehicle Width | 1990 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2960 mm |
