2008 Audi A4 vs. 2003 BMW 318
To start off, 2008 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW 318. In addition, the cost of maintenance, including insurance, on 2003 BMW 318 would be higher. At 1,968 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (138 HP @ 4000 RPM) has 25 more horse power than 2003 BMW 318. (113 HP @ 5500 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2003 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 130 kg more than 2003 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW 318. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A4 (320 Nm @ 1750 RPM) has 153 more torque (in Nm) than 2003 BMW 318. (167 Nm @ 3750 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 318.
Compare all specifications:
| 2008 Audi A4 | 2003 BMW 318 | |
| Make | Audi | BMW |
| Model | A4 | 318 |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 113 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 320 Nm | 167 Nm |
| Torque RPM | 1750 RPM | 3750 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 81 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | 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 | 1430 kg | 1300 kg |
| Vehicle Length | 4590 mm | 4270 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2650 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 67 L |
