Here’s how 2025 Audi A3 Sedan and 2020 Audi A4 compare in size: 2020 Audi A4 is longer than 2025 Audi A3 Sedan, providing extra length. 2020 Audi A4 is wider than 2025 Audi A3 Sedan, giving it a broader stance. 2020 Audi A4 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
1431 mm56.3 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🔴 -4 mm-0.2 in (-0.3%)
1431 mm56.3 in🟢 +4 mm+0.2 in (+0.3%)
2025 Audi A3 Sedan
2020 Audi A4
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
Sedan
Model Year:
2025
2020
Production:
2024-present Current Model
2019-2025 Discontinued Model
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 🔴 -14 mm-0.6 in (-1.0%) - 🔴 -1 mm0.0 in (-0.1%)
1431 mm56.3 in 🟢 +1 mm+0.0 in (+0.1%) - 🟢 +14 mm+0.6 in (+1.0%)
Ground Clearance:
-
-
Trunk Capacity:
235-425 liter8.3-15.0 cu ft 🔴 -225 liter-7.9 cu ft (-48.9%) - 🔴 -35 liter-1.2 cu ft (-7.6%)
460 liter16.2 cu ft 🟢 +35 liter+1.2 cu ft (+8.2%) - 🟢 +225 liter+7.9 cu ft (+95.7%)
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