Here’s how 2025 Audi A3 Sedan and 2020 Audi A4 Avant compare in size: 2020 Audi A4 Avant is longer than 2025 Audi A3 Sedan, providing extra length. 2020 Audi A4 Avant is wider than 2025 Audi A3 Sedan, giving it a broader stance. 2020 Audi A4 Avant is taller than 2025 Audi A3 Sedan, adding extra vertical space.
Length
4504 mm177.3 in
4762 mm187.5 in
Width
1816 mm71.5 in
1847 mm72.7 in
Height
1427 mm56.2 in
1460 mm57.5 in
4504 mm177.3 in🔴 -258 mm-10.2 in (-5.4%)
4762 mm187.5 in🟢 +258 mm+10.2 in (+5.7%)
1816 mm71.5 in🔴 -31 mm-1.2 in (-1.7%)
1847 mm72.7 in🟢 +31 mm+1.2 in (+1.7%)
1427 mm56.2 in🔴 -33 mm-1.3 in (-2.3%)
1460 mm57.5 in🟢 +33 mm+1.3 in (+2.3%)
2025 Audi A3 Sedan
2020 Audi A4 Avant
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
Wagon
Model Year:
2025
2020
Production:
2024-present Current Model
n/a
Dimensions
Length:
4504 mm177.3 in 🔴 -258 mm-10.2 in (-5.4%)
4762 mm187.5 in 🟢 +258 mm+10.2 in (+5.7%)
Width:
1816 mm71.5 in 🔴 -31 mm-1.2 in (-1.7%)
1847 mm72.7 in 🟢 +31 mm+1.2 in (+1.7%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
1984 mm78.1 in 🔴 -38 mm-1.5 in (-1.9%)
2022 mm79.6 in 🟢 +38 mm+1.5 in (+1.9%)
Height:
1417-1427 mm55.8-56.2 in 🔴 -43 mm-1.7 in (-2.9%) - 🔴 -8 mm-0.3 in (-0.6%)
1435-1460 mm56.5-57.5 in 🟢 +8 mm+0.3 in (+0.6%) - 🟢 +43 mm+1.7 in (+3.0%)
Ground Clearance:
-
-
Trunk Capacity:
235-425 liter8.3-15.0 cu ft 🔴 -260 liter-9.2 cu ft (-52.5%) - 🟢 +10 liter+0.4 cu ft (+2.4%)
415-495 liter14.7-17.5 cu ft 🔴 -10 liter-0.4 cu ft (-2.4%) - 🟢 +260 liter+9.2 cu ft (+110.6%)
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