Compare Dimensions Side by Side 2021 Audi A3 Sedan vs. 2020 Audi A4 allroad
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 Sedan and the 2020 Audi A4 allroad compare in size:
In terms of length, the 2020 Audi A4 allroad comes in at 4762 mm (187.48 in), giving it a 267 mm (10.51 in) (5.6 %) advantage over the 2021 Audi A3 Sedan at 4495 mm (176.97 in). Looking at width, the 2020 Audi A4 allroad stretches to 1847 mm (72.72 in), making it 31 mm (1.22 in) (1.7 %) wider than the 2021 Audi A3 Sedan at 1816 mm (71.50 in). As for height, the 2020 Audi A4 allroad reaches 1493 mm (58.78 in), which is 68 mm (2.68 in) (4.6 %) taller than the 2021 Audi A3 Sedan at 1425 mm (56.10 in).
Overall, the 2020 Audi A4 allroad is longer, wider and taller than the 2021 Audi A3 Sedan.
Length
4495 mm177.0 in
4762 mm187.5 in
Width
1816 mm71.5 in
1847 mm72.7 in
Height
1425 mm56.1 in
1493 mm58.8 in
4495 mm177.0 in🔴 -267 mm-10.5 in (-5.6%)
4762 mm187.5 in🟢 +267 mm+10.5 in (+5.9%)
1816 mm71.5 in🔴 -31 mm-1.2 in (-1.7%)
1847 mm72.7 in🟢 +31 mm+1.2 in (+1.7%)
1425 mm56.1 in🔴 -68 mm-2.7 in (-4.6%)
1493 mm58.8 in🟢 +68 mm+2.7 in (+4.8%)
2021 Audi A3 Sedan
2020 Audi A4 allroad
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
Wagon, SUV
Model Year:
2021
2020
Production:
2020-2024 Discontinued Model
2019-2025 Discontinued Model
Dimensions
Length:
4495 mm177.0 in 🔴 -267 mm-10.5 in (-5.6%)
4762 mm187.5 in 🟢 +267 mm+10.5 in (+5.9%)
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:
1425 mm56.1 in 🔴 -68 mm-2.7 in (-4.6%)
1493 mm58.8 in 🟢 +68 mm+2.7 in (+4.8%)
Ground Clearance:
-
-
Trunk Capacity:
390-425 liter13.8-15.0 cu ft 🔴 -105 liter-3.7 cu ft (-21.2%) - 🔴 -70 liter-2.5 cu ft (-14.1%)
495 liter17.5 cu ft 🟢 +70 liter+2.5 cu ft (+16.5%) - 🟢 +105 liter+3.7 cu ft (+26.9%)
