2009 Audi A4 vs. 2007 BMW 320
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. At 1,993 cc (4 cylinders), 2007 BMW 320 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 63 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 320 weights approximately 393 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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 (350 Nm @ 1500 RPM) has 150 more torque (in Nm) than 2007 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 2007 BMW 320.
Compare all specifications:
| 2009 Audi A4 | 2007 BMW 320 | |
| Make | Audi | BMW |
| Model | A4 | 320 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 148 HP |
| Engine RPM | 4300 RPM | 6200 RPM |
| Torque | 350 Nm | 200 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1032 kg | 1425 kg |
| Vehicle Length | 4710 mm | 4530 mm |
| Vehicle Width | 1840 mm | 1430 mm |
| Vehicle Height | 1430 mm | 1820 mm |
| Wheelbase Size | 2820 mm | 2770 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
