Compare Dimensions Side by Side 2026 Audi Q3 III vs. 2020 Audi A4 Avant
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 Audi A4 Avant compare in size:
In terms of length, the 2020 Audi A4 Avant comes in at 4762 mm (187.48 in), giving it a 231 mm (9.09 in) (4.9 %) advantage over the 2026 Audi Q3 III at 4531 mm (178.39 in). Looking at width, the 2026 Audi Q3 III spans 1859 mm (73.19 in), which is 12 mm (0.47 in) (0.6 %) broader than the 2020 Audi A4 Avant at 1847 mm (72.72 in). As for height, the 2026 Audi Q3 III stands at 1601 mm (63.03 in), giving it an extra 141 mm (5.55 in) (8.8 %) compared to the 2020 Audi A4 Avant at 1460 mm (57.48 in).
Overall, the 2026 Audi Q3 III is wider and taller than the 2020 Audi A4 Avant, while the 2020 Audi A4 Avant is longer than the 2026 Audi Q3 III.
Length
4531 mm178.4 in
4762 mm187.5 in
Width
1859 mm73.2 in
1847 mm72.7 in
Height
1601 mm63.0 in
1460 mm57.5 in
4531 mm178.4 in🔴 -231 mm-9.1 in (-4.9%)
4762 mm187.5 in🟢 +231 mm+9.1 in (+5.1%)
1859 mm73.2 in🟢 +12 mm+0.5 in (+0.6%)
1847 mm72.7 in🔴 -12 mm-0.5 in (-0.6%)
1601 mm63.0 in🟢 +141 mm+5.6 in (+9.7%)
1460 mm57.5 in🔴 -141 mm-5.6 in (-8.8%)
2026 Audi Q3 III
2020 Audi A4 Avant
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
SUV
Wagon
Model Year:
2026
2020
Production:
2025-present Current Model
n/a
Dimensions
Length:
4531 mm178.4 in 🔴 -231 mm-9.1 in (-4.9%)
4762 mm187.5 in 🟢 +231 mm+9.1 in (+5.1%)
Width:
1859 mm73.2 in 🟢 +12 mm+0.5 in (+0.6%)
1847 mm72.7 in 🔴 -12 mm-0.5 in (-0.6%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2087 mm82.2 in 🟢 +65 mm+2.6 in (+3.2%)
2022 mm79.6 in 🔴 -65 mm-2.6 in (-3.1%)
Height:
1601 mm63.0 in 🟢 +141 mm+5.6 in (+9.7%) - 🟢 +166 mm+6.5 in (+11.6%)
1435-1460 mm56.5-57.5 in 🔴 -166 mm-6.5 in (-10.4%) - 🔴 -141 mm-5.6 in (-8.8%)
Ground Clearance:
-
-
Trunk Capacity:
375-488 liter13.2-17.2 cu ft 🔴 -120 liter-4.2 cu ft (-24.2%) - 🟢 +73 liter+2.6 cu ft (+17.6%)
415-495 liter14.7-17.5 cu ft 🔴 -73 liter-2.6 cu ft (-15.0%) - 🟢 +120 liter+4.2 cu ft (+32.0%)
Trunk Capacity (Max):
1293-1386 liter45.7-48.9 cu ft 🔴 -202 liter-7.1 cu ft (-13.5%) - 🔴 -29 liter-1.0 cu ft (-2.0%)
1415-1495 liter50.0-52.8 cu ft 🟢 +29 liter+1.0 cu ft (+2.1%) - 🟢 +202 liter+7.1 cu ft (+15.6%)
