2007 Cadillac STS vs. 2005 Chevrolet Blazer
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Blazer would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 130 more horse power than 2005 Chevrolet Blazer. (190 HP @ 5600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 66 kg more than 2005 Chevrolet Blazer. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Cadillac STS (427 Nm) has 88 more torque (in Nm) than 2005 Chevrolet Blazer. (339 Nm). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Blazer.
Compare all specifications:
| 2007 Cadillac STS | 2005 Chevrolet Blazer | |
| Make | Cadillac | Chevrolet |
| Model | STS | Blazer |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4292 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 190 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 339 Nm |
| Engine Bore Size | 93 mm | 102 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1638 kg | 1572 kg |
| Vehicle Length | 4990 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1660 mm |
| Wheelbase Size | 2960 mm | 2690 mm |
| Fuel Consumption | 8.7 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 64 L | 72 L |
