2006 Cadillac STS vs. 1991 Chevrolet Blazer
To start off, 2006 Cadillac STS is newer by 15 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 4,300 cc (6 cylinders), 1991 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 95 more horse power than 1991 Chevrolet Blazer. (158 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1991 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 252 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 2006 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 30 more torque (in Nm) than 1991 Chevrolet Blazer. (312 Nm @ 2800 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Blazer. 2006 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. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 1991 Chevrolet Blazer | |
| Make | Cadillac | Chevrolet |
| Model | STS | Blazer |
| Year Released | 2006 | 1991 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 4300 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 253 HP | 158 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 312 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Engine Bore Size | 94 mm | 101.6 mm |
| Engine Stroke Size | 85.6 mm | 88.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 1530 kg |
| Vehicle Length | 4990 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1630 mm |
| Wheelbase Size | 2960 mm | 2720 mm |
