2009 Cadillac STS vs. 1991 Chevrolet Blazer
To start off, 2009 Cadillac STS is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet Blazer would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 162 more horse power than 1991 Chevrolet Blazer. (158 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1991 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 30 kg more than 1991 Chevrolet Blazer. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Chevrolet Blazer 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, 1991 Chevrolet Blazer 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 115 more torque (in Nm) than 1991 Chevrolet Blazer. (312 Nm @ 2800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Blazer. 2009 Cadillac STS has automatic transmission and 1991 Chevrolet Blazer has manual transmission. 1991 Chevrolet Blazer 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 | 1991 Chevrolet Blazer | |
| Make | Cadillac | Chevrolet |
| Model | STS | Blazer |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4300 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 158 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 312 Nm |
| Torque RPM | 4400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1530 kg |
| Vehicle Length | 5000 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1630 mm |
| Wheelbase Size | 2960 mm | 2720 mm |
