2018 Mercedes-Benz A-class vs 2021 Audi A3 Sportback
Compare Dimensions Side by Side 2018 Mercedes-Benz A-class vs. 2021 Audi A3 Sportback
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 2018 Mercedes-Benz A-class and the 2021 Audi A3 Sportback compare in size:
In terms of length, the 2018 Mercedes-Benz A-class measures 4445 mm (175.00 in), making it 102 mm (4.02 in) (2.3 %) longer than the 2021 Audi A3 Sportback at 4343 mm (170.98 in). Looking at width, the 2018 Mercedes-Benz A-class spans 1850 mm (72.83 in), which is 34 mm (1.34 in) (1.8 %) broader than the 2021 Audi A3 Sportback at 1816 mm (71.50 in). As for height, the 2021 Audi A3 Sportback reaches 1458 mm (57.40 in), which is 6 mm (0.24 in) (0.4 %) taller than the 2018 Mercedes-Benz A-class at 1452 mm (57.17 in).
Overall, the 2018 Mercedes-Benz A-class is longer and wider than the 2021 Audi A3 Sportback, while the 2021 Audi A3 Sportback is taller than the 2018 Mercedes-Benz A-class.
Length
4445 mm175.0 in
4343 mm171.0 in
Width
1850 mm72.8 in
1816 mm71.5 in
Height
1452 mm57.2 in
1458 mm57.4 in
4445 mm175.0 in🟢 +102 mm+4.0 in (+2.3%)
4343 mm171.0 in🔴 -102 mm-4.0 in (-2.3%)
1850 mm72.8 in🟢 +34 mm+1.3 in (+1.9%)
1816 mm71.5 in🔴 -34 mm-1.3 in (-1.8%)
1452 mm57.2 in🔴 -6 mm-0.2 in (-0.4%)
1458 mm57.4 in🟢 +6 mm+0.2 in (+0.4%)
2018 Mercedes-Benz A-class
2021 Audi A3 Sportback
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Hatchback
Hatchback
Model Year:
2018
2021
Production:
2018-2022 Discontinued Model
2020-2024 Discontinued Model
Dimensions
Length:
4419-4445 mm174.0-175.0 in 🟢 +76 mm+3.0 in (+1.7%) - 🟢 +102 mm+4.0 in (+2.3%)
4343 mm171.0 in 🔴 -102 mm-4.0 in (-2.3%) - 🔴 -76 mm-3.0 in (-1.7%)
Width:
1796-1850 mm70.7-72.8 in 🔴 -20 mm-0.8 in (-1.1%) - 🟢 +34 mm+1.3 in (+1.9%)
1816 mm71.5 in 🔴 -34 mm-1.3 in (-1.8%) - 🟢 +20 mm+0.8 in (+1.1%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
1992 mm78.4 in 🟢 +8 mm+0.3 in (+0.4%)
1984 mm78.1 in 🔴 -8 mm-0.3 in (-0.4%)
Height:
1405-1452 mm55.3-57.2 in 🔴 -53 mm-2.1 in (-3.6%) - 🟢 +3 mm+0.1 in (+0.2%)
1449-1458 mm57.0-57.4 in 🔴 -3 mm-0.1 in (-0.2%) - 🟢 +53 mm+2.1 in (+3.8%)
Ground Clearance:
81-104 mm3.2-4.1 in
-
Trunk Capacity:
310-370 liter10.9-13.1 cu ft 🔴 -70 liter-2.5 cu ft (-18.4%) - 🟢 +90 liter+3.2 cu ft (+32.1%)
280-380 liter9.9-13.4 cu ft 🔴 -90 liter-3.2 cu ft (-24.3%) - 🟢 +70 liter+2.5 cu ft (+22.6%)
Trunk Capacity (Max):
370-1210 liter13.1-42.7 cu ft 🔴 -830 liter-29.3 cu ft (-69.2%) - 🟢 +110 liter+3.9 cu ft (+10.0%)
1100-1200 liter38.8-42.4 cu ft 🔴 -110 liter-3.9 cu ft (-9.1%) - 🟢 +830 liter+29.3 cu ft (+224.3%)
