2007 Audi A4 vs. 2007 Audi A3
To start off, both 2007 Audi A4 and 2007 Audi A3 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,967 cc (4 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 23 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 64 kg more than 2007 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, 2007 Audi A3 (320 Nm @ 1750 RPM) has 95 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1750 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2007 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1967 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 138 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 225 Nm | 320 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 223 km/hour | 207 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1434 kg | 1370 kg |
| Vehicle Length | 4590 mm | 4210 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2580 mm |
| Fuel Consumption Overall | 8.2 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
