2009 Audi A4 vs. 2008 BMW 320
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 320. In addition, the cost of maintenance, including insurance, on 2008 BMW 320 would be higher. At 1,995 cc (4 cylinders), 2008 BMW 320 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 5700 RPM) has 12 more horse power than 2008 BMW 320. (149 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 235 kg more than 2008 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 320. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (225 Nm @ 1950 RPM) has 25 more torque (in Nm) than 2008 BMW 320. (200 Nm @ 3600 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2009 Audi A4 | 2008 BMW 320 | |
| Make | Audi | BMW |
| Model | A4 | 320 |
| Year Released | 2009 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 149 HP |
| Engine RPM | 5700 RPM | 6200 RPM |
| Torque | 225 Nm | 200 Nm |
| Torque RPM | 1950 RPM | 3600 RPM |
| Engine Bore Size | 81.1 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.5 seconds | 9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1395 kg |
| Vehicle Length | 4580 mm | 4870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
