2009 Audi A6 vs. 2007 Chevrolet HHR
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Chevrolet HHR. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet HHR would be higher. At 4,172 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (296 HP @ 6200 RPM) has 121 more horse power than 2007 Chevrolet HHR. (175 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Chevrolet HHR.
Because 2009 Audi A6 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, 2009 Audi A6 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 Audi A6 (400 Nm @ 3000 RPM) has 176 more torque (in Nm) than 2007 Chevrolet HHR. (224 Nm @ 5000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2009 Audi A6 | 2007 Chevrolet HHR | |
| Make | Audi | Chevrolet |
| Model | A6 | HHR |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2397 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 175 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 400 Nm | 224 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 87.9 mm |
| Engine Stroke Size | 93 mm | 97.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 4840 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1570 mm |
| Wheelbase Size | 2770 mm | 2630 mm |
