2018 Audi A7 Sportback vs. 2021 Audi A3 Sportback Dimensions Comparison
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 Audi A7 Sportback and the 2021 Audi A3 Sportback compare in size:
In terms of length, the 2018 Audi A7 Sportback measures 4976 mm (195.91 in), making it 633 mm (24.92 in) (12.7 %) longer than the 2021 Audi A3 Sportback at 4343 mm (170.98 in). Looking at width, the 2018 Audi A7 Sportback spans 1908 mm (75.12 in), which is 92 mm (3.62 in) (4.8 %) 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 36 mm (1.42 in) (2.5 %) taller than the 2018 Audi A7 Sportback at 1422 mm (55.98 in).
Overall, the 2018 Audi A7 Sportback is longer and wider than the 2021 Audi A3 Sportback, while the 2021 Audi A3 Sportback is taller than the 2018 Audi A7 Sportback.
Length
4976 mm195.9 in
4343 mm171.0 in
Width
1908 mm75.1 in
1816 mm71.5 in
Height
1422 mm56.0 in
1458 mm57.4 in
4976 mm195.9 in🟢 +633 mm+24.9 in (+14.6%)
4343 mm171.0 in🔴 -633 mm-24.9 in (-12.7%)
1908 mm75.1 in🟢 +92 mm+3.6 in (+5.1%)
1816 mm71.5 in🔴 -92 mm-3.6 in (-4.8%)
1422 mm56.0 in🔴 -36 mm-1.4 in (-2.5%)
1458 mm57.4 in🟢 +36 mm+1.4 in (+2.5%)
2018 Audi A7 Sportback
2021 Audi A3 Sportback
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Hatchback
Hatchback
Model Year:
2018
2021
Production:
2017-2023 Discontinued Model
2020-2024 Discontinued Model
Dimensions
Length:
4969-4976 mm195.6-195.9 in 🟢 +626 mm+24.6 in (+14.4%) - 🟢 +633 mm+24.9 in (+14.6%)
4343 mm171.0 in 🔴 -633 mm-24.9 in (-12.7%) - 🔴 -626 mm-24.6 in (-12.6%)
Width:
1908 mm75.1 in 🟢 +92 mm+3.6 in (+5.1%)
1816 mm71.5 in 🔴 -92 mm-3.6 in (-4.8%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2118 mm83.4 in 🟢 +134 mm+5.3 in (+6.8%)
1984 mm78.1 in 🔴 -134 mm-5.3 in (-6.3%)
Height:
1422 mm56.0 in 🔴 -39 mm-1.5 in (-2.7%) - 🔴 -27 mm-1.1 in (-1.9%)
1449-1458 mm57.0-57.4 in 🟢 +27 mm+1.1 in (+1.9%) - 🟢 +39 mm+1.5 in (+2.7%)
Ground Clearance:
-
-
Trunk Capacity:
380-535 liter13.4-18.9 cu ft 🟢 +255 liter+9.0 cu ft (+91.1%)
280-380 liter9.9-13.4 cu ft 🔴 -255 liter-9.0 cu ft (-47.7%)
Trunk Capacity (Max):
1235-1390 liter43.6-49.1 cu ft 🟢 +35 liter+1.2 cu ft (+2.9%) - 🟢 +290 liter+10.2 cu ft (+26.4%)
1100-1200 liter38.8-42.4 cu ft 🔴 -290 liter-10.2 cu ft (-20.9%) - 🔴 -35 liter-1.2 cu ft (-2.8%)
