2012 Mercedes-Benz B-class vs. 2017 BMW X3 Dimensions Comparison
Compare the size of two cars side by side and see their differences at a glance. Simply enter the vehicle names, and our tool creates a clear visual comparison of their length, width, and height. This makes it easy to find out which car is longer, wider, or taller, and helps you better understand their overall proportions. Whether you are checking if a car will fit in your garage, comparing everyday models, or exploring larger SUVs, this tool provides a straightforward way to see all key dimensions in one place.
Here’s how the 2012 Mercedes-Benz B-class and the 2017 BMW X3 compare in size:
In terms of length, the 2017 BMW X3 comes in at 4727 mm (186.10 in), giving it a 368 mm (14.49 in) (7.8 %) advantage over the 2012 Mercedes-Benz B-class at 4359 mm (171.61 in). Looking at width, the 2017 BMW X3 stretches to 1897 mm (74.69 in), making it 111 mm (4.37 in) (5.9 %) wider than the 2012 Mercedes-Benz B-class at 1786 mm (70.31 in). As for height, the 2017 BMW X3 reaches 1676 mm (65.98 in), which is 119 mm (4.69 in) (7.1 %) taller than the 2012 Mercedes-Benz B-class at 1557 mm (61.30 in).
Overall, the 2017 BMW X3 is longer, wider and taller than the 2012 Mercedes-Benz B-class.
Length
4359 mm171.6 in
4727 mm186.1 in
Width
1786 mm70.3 in
1897 mm74.7 in
Height
1557 mm61.3 in
1676 mm66.0 in
4359 mm171.6 in🔴 -368 mm-14.5 in (-7.8%)
4727 mm186.1 in🟢 +368 mm+14.5 in (+8.4%)
1786 mm70.3 in🔴 -111 mm-4.4 in (-5.9%)
1897 mm74.7 in🟢 +111 mm+4.4 in (+6.2%)
1557 mm61.3 in🔴 -119 mm-4.7 in (-7.1%)
1676 mm66.0 in🟢 +119 mm+4.7 in (+7.6%)
2012 Mercedes-Benz B-class
2017 BMW X3
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Hatchback
SUV
Model Year:
2012
2017
Production:
2011-2014 Discontinued Model
2017-2021 Discontinued Model
Dimensions
Length:
4359 mm171.6 in 🔴 -368 mm-14.5 in (-7.8%) - 🔴 -349 mm-13.7 in (-7.4%)
4708-4727 mm185.4-186.1 in 🟢 +349 mm+13.7 in (+8.0%) - 🟢 +368 mm+14.5 in (+8.4%)
Width:
1786 mm70.3 in 🔴 -111 mm-4.4 in (-5.9%) - 🔴 -105 mm-4.1 in (-5.6%)
1891-1897 mm74.4-74.7 in 🟢 +105 mm+4.1 in (+5.9%) - 🟢 +111 mm+4.4 in (+6.2%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2010 mm79.1 in 🔴 -129 mm-5.1 in (-6.0%) - 🔴 -128 mm-5.0 in (-6.0%)
2139 mm84.2 in 🟢 +128 mm+5.0 in (+6.4%) - 🟢 +129 mm+5.1 in (+6.4%)
Height:
1557 mm61.3 in 🔴 -119 mm-4.7 in (-7.1%)
1676 mm66.0 in 🟢 +119 mm+4.7 in (+7.6%)
Ground Clearance:
-
204 mm8.0 in
Trunk Capacity:
488 liter17.2 cu ft 🔴 -62 liter-2.2 cu ft (-11.3%) - 🟢 +38 liter+1.3 cu ft (+8.4%)
450-550 liter15.9-19.4 cu ft 🔴 -38 liter-1.3 cu ft (-7.8%) - 🟢 +62 liter+2.2 cu ft (+12.7%)
Trunk Capacity (Max):
1547 liter54.6 cu ft 🔴 -53 liter-1.9 cu ft (-3.3%) - 🟢 +47 liter+1.7 cu ft (+3.1%)
1500-1600 liter53.0-56.5 cu ft 🔴 -47 liter-1.7 cu ft (-3.0%) - 🟢 +53 liter+1.9 cu ft (+3.4%)
