2004 Audi A4 vs. 2007 Chevrolet HHR
To start off, 2007 Chevrolet HHR is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,397 cc (4 cylinders), 2007 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2007 Chevrolet HHR (175 HP @ 6200 RPM) has 62 more horse power than 2004 Audi A4. (113 HP @ 4000 RPM) In normal driving conditions, 2007 Chevrolet HHR should accelerate faster than 2004 Audi A4.
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, 2004 Audi A4 (285 Nm @ 1900 RPM) has 61 more torque (in Nm) than 2007 Chevrolet HHR. (224 Nm @ 5000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR. 2007 Chevrolet HHR has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Chevrolet HHR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2007 Chevrolet HHR | |
| Make | Audi | Chevrolet |
| Model | A4 | HHR |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2397 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 175 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 285 Nm | 224 Nm |
| Torque RPM | 1900 RPM | 5000 RPM |
| Engine Bore Size | 79.6 mm | 87.9 mm |
| Engine Stroke Size | 95.5 mm | 97.8 mm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Length | 4550 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1570 mm |
| Wheelbase Size | 2470 mm | 2630 mm |
