2007 Audi A4 vs. 2008 Audi A3
To start off, 2008 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 117 more horse power than 2008 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2008 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A3 weights approximately 177 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A3. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 will offer significantly more control. 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 A4 (330 Nm @ 3250 RPM) has 10 more torque (in Nm) than 2008 Audi A3. (320 Nm @ 1750 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2007 Audi A4 | 2008 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 138 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 320 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 96 mm | 95.5 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1452 kg |
| Vehicle Length | 4590 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 11.2 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
