2008 Audi A4 vs. 2009 BMW 318
To start off, 2009 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (252 HP @ 6500 RPM) has 104 more horse power than 2009 BMW 318. (148 HP @ 6200 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2009 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 16 kg more than 2009 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 318. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A4 (330 Nm @ 3250 RPM) has 130 more torque (in Nm) than 2009 BMW 318. (200 Nm @ 3600 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 318. 2009 BMW 318 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 318 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2009 BMW 318 | |
| Make | Audi | BMW |
| Model | A4 | 318 |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 148 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 330 Nm | 200 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 10.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1596 kg | 1580 kg |
| Vehicle Length | 4590 mm | 4490 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2650 mm | 2730 mm |
| Fuel Consumption Overall | 10.7 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
