2002 Audi A4 vs. 2007 Chevrolet HHR
To start off, 2007 Chevrolet HHR is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 2,496 cc (6 cylinders), 2002 Audi A4 is equipped with a bigger engine. In terms of performance, 2002 Audi A4 (160 HP @ 4000 RPM) has 10 more horse power than 2007 Chevrolet HHR. (150 HP @ 5600 RPM). In normal driving conditions, 2002 Audi A4 should accelerate faster than 2007 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A4 weights approximately 517 kg more than 2007 Chevrolet HHR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2002 Audi A4 (310 Nm @ 1400 RPM) has 104 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4000 RPM). This means 2002 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2002 Audi A4 | 2007 Chevrolet HHR | |
| Make | Audi | Chevrolet |
| Model | A4 | HHR |
| Year Released | 2002 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2189 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 150 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 310 Nm | 206 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 78.3 mm | 86.1 mm |
| Engine Stroke Size | 86.4 mm | 94.5 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1073 kg |
| Vehicle Length | 4550 mm | 4480 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Consumption | 5.9 L/100km | 7.8 L/100km |
| Fuel Consumption City | 9.5 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 7.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
