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 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (351 HP @ 6300 RPM) has 96 more horse power than 2007 Audi A4. (255 HP @ 6500 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 925 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (475 Nm @ 3400 RPM) has 145 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2008 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. 2008 BMW X5 will be easier to drive especially in heavy traffic.
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 | 3123 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 351 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 475 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 2200 kg |
| Vehicle Length | 4590 mm | 4860 mm |
| Vehicle Width | 1780 mm | 1940 mm |
| Vehicle Height | 1430 mm | 1770 mm |
| Wheelbase Size | 2660 mm | 2940 mm |
| Fuel Consumption | 8.7 L/100km | 12.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
