2007 Audi A3 vs. 2007 Audi A4
To start off, both 2007 Audi A3 and 2007 Audi A4 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 104 more horse power than 2007 Audi A3. (148 HP @ 6000 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 348 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.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 130 more torque (in Nm) than 2007 Audi A3. (200 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2007 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3123 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 252 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 200 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 11.5:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.8 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1698 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1400 mm |
| Vehicle Height | 1430 mm | 1780 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 7.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
