2009 Audi A4 vs. 2004 BMW 318
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 318. In addition, the cost of maintenance, including insurance, on 2004 BMW 318 would be higher. At 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 44 more horse power than 2004 BMW 318. (114 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2004 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 110 kg more than 2004 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW 318 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW 318. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 (251 Nm @ 1500 RPM) has 71 more torque (in Nm) than 2004 BMW 318. (180 Nm @ 3750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 318.
Compare all specifications:
| 2009 Audi A4 | 2004 BMW 318 | |
| Make | Audi | BMW |
| Model | A4 | 318 |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 114 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 251 Nm | 180 Nm |
| Torque RPM | 1500 RPM | 3750 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 84.1 mm | 81 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1410 kg | 1300 kg |
| Vehicle Length | 4710 mm | 4270 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2810 mm | 2740 mm |
| Fuel Tank Capacity | 65 L | 67 L |
