2007 Audi A4 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 1 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 4,398 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (316 HP @ 6100 RPM) has 115 more horse power than 2007 Audi A4. (201 HP @ 5100 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 315 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 2008 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, 2008 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, 2008 BMW X5 (440 Nm @ 3700 RPM) has 159 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 316 HP |
| Engine RPM | 5100 RPM | 6100 RPM |
| Torque | 281 Nm | 440 Nm |
| Torque RPM | 1800 RPM | 3700 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 2195 kg |
| Vehicle Length | 4590 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1710 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 8.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
