2008 Audi A4 vs. 2008 Audi A3
To start off, both 2008 Audi A4 and 2008 Audi A3 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,984 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (250 HP @ 5700 RPM) has 112 more horse power than 2008 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2008 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 115 kg more than 2008 Audi A4.
Because 2008 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 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, 2008 Audi A3 (320 Nm @ 1750 RPM) has 125 more torque (in Nm) than 2008 Audi A4. (195 Nm @ 3300 RPM). This means 2008 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2008 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 250 HP | 138 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 195 Nm | 320 Nm |
| Torque RPM | 3300 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 205 km/hour | 205 km/hour |
| Acceleration 0-100mph | 10.4 seconds | 9.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1390 kg | 1505 kg |
| Vehicle Length | 4180 mm | 4220 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2580 mm |
| Fuel Consumption Overall | 7.9 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
