2003 BMW X3 vs. 2006 GMC Sierra

To start off, 2006 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 4,802 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (285 HP @ 5200 RPM) has 84 more horse power than 2003 BMW X3. (201 HP @ 4000 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 333 kg more than 2003 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 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, 2003 BMW X3 (410 Nm @ 1500 RPM) has 10 more torque (in Nm) than 2006 GMC Sierra. (400 Nm @ 4000 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.

Compare all specifications:

2003 BMW X3 2006 GMC Sierra
Make BMW GMC
Model X3 Sierra
Year Released 2003 2006
Body Type SUV Pickup
Engine Position Front Front
Engine Size 2995 cc 4802 cc
Engine Cylinders 6 cylinders 8 cylinders
Engine Type in-line V
Horse Power 201 HP 285 HP
Engine RPM 4000 RPM 5200 RPM
Torque 410 Nm 400 Nm
Torque RPM 1500 RPM 4000 RPM
Drive Type 4WD Rear
Number of Seats 5 seats 6 seats
Number of Doors 5 doors 4 doors
Vehicle Weight 1930 kg 2263 kg
Vehicle Length 4570 mm 5850 mm
Vehicle Width 1860 mm 2000 mm
Vehicle Height 1680 mm 1850 mm
Wheelbase Size 2730 mm 3650 mm
Fuel Consumption 7.3 L/100km 11.2 L/100km
Fuel Consumption City 12.1 L/100km 14.7 L/100km
Fuel Consumption Overall 9.1 L/100km 13.1 L/100km
Fuel Tank Capacity 67 L 98 L