2026 Audi Q3 III vs. 2020 Mercedes-Benz GLA 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 2026 Audi Q3 III and the 2020 Mercedes-Benz GLA compare in size:
In terms of length, the 2026 Audi Q3 III measures 4531 mm (178.39 in), making it 121 mm (4.76 in) (2.7 %) longer than the 2020 Mercedes-Benz GLA at 4410 mm (173.62 in). Looking at width, the 2026 Audi Q3 III spans 1859 mm (73.19 in), which is 25 mm (0.98 in) (1.3 %) broader than the 2020 Mercedes-Benz GLA at 1834 mm (72.20 in). As for height, the 2026 Audi Q3 III stands at 1628 mm (64.09 in), giving it an extra 17 mm (0.67 in) (1.0 %) compared to the 2020 Mercedes-Benz GLA at 1611 mm (63.43 in).
Overall, the 2026 Audi Q3 III is longer, wider and taller than the 2020 Mercedes-Benz GLA.
Length
4531 mm178.4 in
4410 mm173.6 in
Width
1859 mm73.2 in
1834 mm72.2 in
Height
1628 mm64.1 in
1611 mm63.4 in
4531 mm178.4 in🟢 +121 mm+4.8 in (+2.7%)
4410 mm173.6 in🔴 -121 mm-4.8 in (-2.7%)
1859 mm73.2 in🟢 +25 mm+1.0 in (+1.4%)
1834 mm72.2 in🔴 -25 mm-1.0 in (-1.3%)
1628 mm64.1 in🟢 +17 mm+0.7 in (+1.1%)
1611 mm63.4 in🔴 -17 mm-0.7 in (-1.0%)
2026 Audi Q3 III
2020 Mercedes-Benz GLA
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
SUV
SUV
Model Year:
2026
2020
Production:
2025-present Current Model
2019-2023 Discontinued Model
Dimensions
Length:
4531 mm178.4 in 🟢 +121 mm+4.8 in (+2.7%)
4410 mm173.6 in 🔴 -121 mm-4.8 in (-2.7%)
Width:
1859 mm73.2 in 🟢 +25 mm+1.0 in (+1.4%)
1834 mm72.2 in 🔴 -25 mm-1.0 in (-1.3%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2088 mm82.2 in 🟢 +67 mm+2.6 in (+3.3%) - 🟢 +68 mm+2.7 in (+3.4%)
2020 mm79.5 in 🔴 -68 mm-2.7 in (-3.3%) - 🔴 -67 mm-2.6 in (-3.2%)
Height:
1601-1628 mm63.0-64.1 in 🔴 -10 mm-0.4 in (-0.6%) - 🟢 +17 mm+0.7 in (+1.1%)
1611 mm63.4 in 🔴 -17 mm-0.7 in (-1.0%) - 🟢 +10 mm+0.4 in (+0.6%)
Ground Clearance:
-
143 mm5.6 in
Trunk Capacity:
375-488 liter13.2-17.2 cu ft 🔴 -60 liter-2.1 cu ft (-13.8%) - 🟢 +103 liter+3.6 cu ft (+26.8%)
385-435 liter13.6-15.4 cu ft 🔴 -103 liter-3.6 cu ft (-21.1%) - 🟢 +60 liter+2.1 cu ft (+16.0%)
Trunk Capacity (Max):
1293-1386 liter45.7-48.9 cu ft 🔴 -137 liter-4.8 cu ft (-9.6%) - 🟢 +1 liter+0.0 cu ft (+0.1%)
1385-1430 liter48.9-50.5 cu ft 🔴 -1 liter0.0 cu ft (-0.1%) - 🟢 +137 liter+4.8 cu ft (+10.6%)
