Compare Dimensions Side by Side 2018 Mercedes-Benz A-class Sedan vs. 2017 BMW X3
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 2018 Mercedes-Benz A-class Sedan 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 178 mm (7.01 in) (3.8 %) advantage over the 2018 Mercedes-Benz A-class Sedan at 4549 mm (179.09 in). Looking at width, the 2017 BMW X3 stretches to 1897 mm (74.69 in), making it 101 mm (3.98 in) (5.3 %) wider than the 2018 Mercedes-Benz A-class Sedan at 1796 mm (70.71 in). As for height, the 2017 BMW X3 reaches 1676 mm (65.98 in), which is 218 mm (8.58 in) (13.0 %) taller than the 2018 Mercedes-Benz A-class Sedan at 1458 mm (57.40 in).
Overall, the 2017 BMW X3 is longer, wider and taller than the 2018 Mercedes-Benz A-class Sedan.
Length
4549 mm179.1 in
4727 mm186.1 in
Width
1796 mm70.7 in
1897 mm74.7 in
Height
1458 mm57.4 in
1676 mm66.0 in
4549 mm179.1 in🔴 -178 mm-7.0 in (-3.8%)
4727 mm186.1 in🟢 +178 mm+7.0 in (+3.9%)
1796 mm70.7 in🔴 -101 mm-4.0 in (-5.3%)
1897 mm74.7 in🟢 +101 mm+4.0 in (+5.6%)
1458 mm57.4 in🔴 -218 mm-8.6 in (-13.0%)
1676 mm66.0 in🟢 +218 mm+8.6 in (+15.0%)
2018 Mercedes-Benz A-class Sedan
2017 BMW X3
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
SUV
Model Year:
2018
2017
Production:
2018-2022 Discontinued Model
2017-2021 Discontinued Model
Dimensions
Length:
4549 mm179.1 in 🔴 -178 mm-7.0 in (-3.8%) - 🔴 -159 mm-6.3 in (-3.4%)
4708-4727 mm185.4-186.1 in 🟢 +159 mm+6.3 in (+3.5%) - 🟢 +178 mm+7.0 in (+3.9%)
Width:
1796 mm70.7 in 🔴 -101 mm-4.0 in (-5.3%) - 🔴 -95 mm-3.7 in (-5.0%)
1891-1897 mm74.4-74.7 in 🟢 +95 mm+3.7 in (+5.3%) - 🟢 +101 mm+4.0 in (+5.6%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
1992 mm78.4 in 🔴 -147 mm-5.8 in (-6.9%) - 🔴 -146 mm-5.7 in (-6.8%)
2139 mm84.2 in 🟢 +146 mm+5.7 in (+7.3%) - 🟢 +147 mm+5.8 in (+7.4%)
Height:
1446-1458 mm56.9-57.4 in 🔴 -230 mm-9.1 in (-13.7%) - 🔴 -218 mm-8.6 in (-13.0%)
1676 mm66.0 in 🟢 +218 mm+8.6 in (+15.0%) - 🟢 +230 mm+9.1 in (+15.9%)
Ground Clearance:
104 mm4.1 in 🔴 -100 mm-3.9 in (-49.0%)
204 mm8.0 in 🟢 +100 mm+3.9 in (+96.2%)
Trunk Capacity:
345-420 liter12.2-14.8 cu ft 🔴 -205 liter-7.2 cu ft (-37.3%) - 🔴 -30 liter-1.1 cu ft (-6.7%)
450-550 liter15.9-19.4 cu ft 🟢 +30 liter+1.1 cu ft (+7.1%) - 🟢 +205 liter+7.2 cu ft (+59.4%)
