2007 Cadillac STS vs. 2007 Chevrolet HHR
To start off, both 2007 Cadillac STS and 2007 Chevrolet HHR were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (254 HP @ 6500 RPM) has 105 more horse power than 2007 Chevrolet HHR. (149 HP @ 5600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2007 Chevrolet HHR.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2007 Chevrolet HHR. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Cadillac STS (342 Nm @ 3200 RPM) has 136 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4200 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR. 2007 Cadillac STS has automatic transmission and 2007 Chevrolet HHR has manual transmission. 2007 Chevrolet HHR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 2007 Chevrolet HHR | |
| Make | Cadillac | Chevrolet |
| Model | STS | HHR |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2201 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 149 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 342 Nm | 206 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1610 mm |
| Wheelbase Size | 2960 mm | 2640 mm |
| Fuel Consumption City | 13.1 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 66 L | 61 L |
