2007 Cadillac STS vs. 2011 Chevrolet HHR
To start off, 2011 Chevrolet HHR is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS 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 (322 HP @ 6400 RPM) has 167 more horse power than 2011 Chevrolet HHR. (155 HP @ 6100 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2011 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 389 kg more than 2011 Chevrolet HHR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2011 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 (427 Nm @ 4400 RPM) has 224 more torque (in Nm) than 2011 Chevrolet HHR. (203 Nm @ 4800 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet HHR. 2007 Cadillac STS has automatic transmission and 2011 Chevrolet HHR has manual transmission. 2011 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 | 2011 Chevrolet HHR | |
| Make | Cadillac | Chevrolet |
| Model | STS | HHR |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2200 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 155 HP |
| Engine RPM | 6400 RPM | 6100 RPM |
| Torque | 427 Nm | 203 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1820 kg | 1431 kg |
| Vehicle Length | 4990 mm | 4475 mm |
| Vehicle Width | 1850 mm | 1755 mm |
| Vehicle Height | 1470 mm | 1603 mm |
| Wheelbase Size | 2960 mm | 2629 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 66 L | 61 L |
