2003 Audi A3 vs. 2009 Chevrolet HHR
To start off, 2009 Chevrolet HHR is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi A3. In addition, the cost of maintenance, including insurance, on 2003 Audi A3 would be higher. At 2,399 cc (4 cylinders), 2009 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2009 Chevrolet HHR (168 HP @ 6200 RPM) has 30 more horse power than 2003 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2009 Chevrolet HHR should accelerate faster than 2003 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet HHR weights approximately 130 kg more than 2003 Audi A3. 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, 2003 Audi A3 (320 Nm @ 1750 RPM) has 98 more torque (in Nm) than 2009 Chevrolet HHR. (222 Nm @ 4800 RPM). This means 2003 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet HHR.
Compare all specifications:
| 2003 Audi A3 | 2009 Chevrolet HHR | |
| Make | Audi | Chevrolet |
| Model | A3 | HHR |
| Year Released | 2003 | 2009 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1967 cc | 2399 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 168 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 320 Nm | 222 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Engine Bore Size | 81 mm | 88 mm |
| Engine Stroke Size | 95.5 mm | 98 mm |
| Engine Compression Ratio | 18.0:1 | 10.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 180 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1470 kg |
| Vehicle Length | 4210 mm | 3380 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2640 mm |
| Fuel Tank Capacity | 55 L | 61 L |
