2007 Audi A4 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (282 HP @ 4400 RPM) has 181 more horse power than 2007 Audi A4. (101 HP @ 5600 RPM) In normal driving conditions, 2009 BMW X5 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 850 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 BMW X5 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 BMW X5 (580 Nm @ 1750 RPM) has 432 more torque (in Nm) than 2007 Audi A4. (148 Nm @ 3800 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2009 BMW X5 has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2009 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 282 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 148 Nm | 580 Nm |
| Torque RPM | 3800 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 77.4 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 190 km/hour | 238 km/hour |
| Acceleration 0-100mph | 12.6 seconds | 7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1300 kg | 2150 kg |
| Vehicle Length | 4550 mm | 4860 mm |
| Vehicle Width | 1780 mm | 1940 mm |
| Vehicle Height | 1430 mm | 1740 mm |
| Wheelbase Size | 2650 mm | 2940 mm |
| Fuel Consumption Overall | 7.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
