2005 BMW X5 4.8 IS vs. 2005 BMW X5 4.4i
To start off, both 2005 BMW X5 4.8 IS and 2005 BMW X5 4.4i were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2005 BMW X5 4.8 IS is equipped with a bigger engine. In terms of performance, 2005 BMW X5 4.8 IS (355 HP @ 6200 RPM) has 34 more horse power than 2005 BMW X5 4.4i. (321 HP @ 6100 RPM). In normal driving conditions, 2005 BMW X5 4.8 IS should accelerate faster than 2005 BMW X5 4.4i. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 4.4i weights approximately 35 kg more than 2005 BMW X5 4.8 IS.
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, 2005 BMW X5 4.8 IS (490 Nm @ 3600 RPM) has 40 more torque (in Nm) than 2005 BMW X5 4.4i. (450 Nm @ 3700 RPM). This means 2005 BMW X5 4.8 IS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5 4.4i.
Compare all specifications:
| 2005 BMW X5 4.8 IS | 2005 BMW X5 4.4i | |
| Make | BMW | BMW |
| Model | X5 | X5 |
| Year Released | 2005 | 2005 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 355 HP | 321 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 490 Nm | 450 Nm |
| Torque RPM | 3600 RPM | 3700 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 88.3 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 246 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2200 kg | 2235 kg |
| Vehicle Length | 4670 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1760 mm | 1710 mm |
| Wheelbase Size | 2940 mm | 2890 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.7 L/100km |
| Fuel Consumption City | 14.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 93 L | 92 L |
