2009 Cadillac STS vs. 1990 GMC Suburban
To start off, 2009 Cadillac STS is newer by 19 year(s). Which means there will be less support and parts availability for 1990 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1990 GMC Suburban would be higher. At 5,733 cc (8 cylinders), 1990 GMC Suburban is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 111 more horse power than 1990 GMC Suburban. (209 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1990 GMC Suburban.
Because 1990 GMC Suburban 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, 1990 GMC Suburban 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 20 more torque (in Nm) than 1990 GMC Suburban. (407 Nm @ 2800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1990 GMC Suburban.
Compare all specifications:
| 2009 Cadillac STS | 1990 GMC Suburban | |
| Make | Cadillac | GMC |
| Model | STS | Suburban |
| Year Released | 2009 | 1990 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5733 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 209 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 407 Nm |
| Torque RPM | 4400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 5000 mm | 5480 mm |
| Vehicle Width | 1850 mm | 1950 mm |
| Vehicle Height | 1470 mm | 1800 mm |
| Wheelbase Size | 2960 mm | 3300 mm |
