Compare Dimensions Side by Side 2021 Audi A3 Sportback 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 2021 Audi A3 Sportback 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 384 mm (15.12 in) (8.1 %) advantage over the 2021 Audi A3 Sportback at 4343 mm (170.98 in). Looking at width, the 2017 BMW X3 stretches to 1897 mm (74.69 in), making it 81 mm (3.19 in) (4.3 %) wider than the 2021 Audi A3 Sportback at 1816 mm (71.50 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 2021 Audi A3 Sportback at 1458 mm (57.40 in).
Overall, the 2017 BMW X3 is longer, wider and taller than the 2021 Audi A3 Sportback.
Length
4343 mm171.0 in
4727 mm186.1 in
Width
1816 mm71.5 in
1897 mm74.7 in
Height
1458 mm57.4 in
1676 mm66.0 in
4343 mm171.0 in🔴 -384 mm-15.1 in (-8.1%)
4727 mm186.1 in🟢 +384 mm+15.1 in (+8.8%)
1816 mm71.5 in🔴 -81 mm-3.2 in (-4.3%)
1897 mm74.7 in🟢 +81 mm+3.2 in (+4.5%)
1458 mm57.4 in🔴 -218 mm-8.6 in (-13.0%)
1676 mm66.0 in🟢 +218 mm+8.6 in (+15.0%)
2021 Audi A3 Sportback
2017 BMW X3
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Hatchback
SUV
Model Year:
2021
2017
Production:
2020-2024 Discontinued Model
2017-2021 Discontinued Model
Dimensions
Length:
4343 mm171.0 in 🔴 -384 mm-15.1 in (-8.1%) - 🔴 -365 mm-14.4 in (-7.8%)
4708-4727 mm185.4-186.1 in 🟢 +365 mm+14.4 in (+8.4%) - 🟢 +384 mm+15.1 in (+8.8%)
Width:
1816 mm71.5 in 🔴 -81 mm-3.2 in (-4.3%) - 🔴 -75 mm-3.0 in (-4.0%)
1891-1897 mm74.4-74.7 in 🟢 +75 mm+3.0 in (+4.1%) - 🟢 +81 mm+3.2 in (+4.5%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
1984 mm78.1 in 🔴 -155 mm-6.1 in (-7.2%) - 🔴 -154 mm-6.1 in (-7.2%)
2139 mm84.2 in 🟢 +154 mm+6.1 in (+7.8%) - 🟢 +155 mm+6.1 in (+7.8%)
Height:
1449-1458 mm57.0-57.4 in 🔴 -227 mm-8.9 in (-13.5%) - 🔴 -218 mm-8.6 in (-13.0%)
1676 mm66.0 in 🟢 +218 mm+8.6 in (+15.0%) - 🟢 +227 mm+8.9 in (+15.7%)
Ground Clearance:
-
204 mm8.0 in
Trunk Capacity:
280-380 liter9.9-13.4 cu ft 🔴 -270 liter-9.5 cu ft (-49.1%) - 🔴 -70 liter-2.5 cu ft (-15.6%)
450-550 liter15.9-19.4 cu ft 🟢 +70 liter+2.5 cu ft (+18.4%) - 🟢 +270 liter+9.5 cu ft (+96.4%)
Trunk Capacity (Max):
1100-1200 liter38.8-42.4 cu ft 🔴 -500 liter-17.7 cu ft (-31.2%) - 🔴 -300 liter-10.6 cu ft (-20.0%)
1500-1600 liter53.0-56.5 cu ft 🟢 +300 liter+10.6 cu ft (+25.0%) - 🟢 +500 liter+17.7 cu ft (+45.5%)
