2009 Audi A4 vs. 2008 Audi A3
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A3. In addition, the cost of maintenance, including insurance, on 2008 Audi A3 would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 73 more horse power than 2008 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2009 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 615 kg more than 2009 Audi A4.
Because 2008 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 Audi A3 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, 2009 Audi A4 (351 Nm @ 1500 RPM) has 31 more torque (in Nm) than 2008 Audi A3. (320 Nm @ 1750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2009 Audi A4 | 2008 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1966 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 138 HP |
| Engine RPM | 4300 RPM | 4000 RPM |
| Torque | 351 Nm | 320 Nm |
| Torque RPM | 1500 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1545 kg |
| Vehicle Length | 4710 mm | 4290 mm |
| Vehicle Width | 1840 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2580 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
