Compare Dimensions Side by Side
2021 Audi A3 Sportback vs. 2018 Audi A7 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.

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      Here’s how the 2021 Audi A3 Sportback and the 2018 Audi A7 Sportback compare in size:

      In terms of length, the 2018 Audi A7 Sportback comes in at 4976 mm (195.91 in), giving it a 633 mm (24.92 in) (12.7 %) advantage over the 2021 Audi A3 Sportback at 4343 mm (170.98 in). Looking at width, the 2018 Audi A7 Sportback stretches to 1908 mm (75.12 in), making it 92 mm (3.62 in) (4.8 %) wider than the 2021 Audi A3 Sportback at 1816 mm (71.50 in). As for height, the 2021 Audi A3 Sportback stands at 1458 mm (57.40 in), giving it an extra 36 mm (1.42 in) (2.5 %) compared to the 2018 Audi A7 Sportback at 1422 mm (55.98 in).

      Overall, the 2021 Audi A3 Sportback is taller than the 2018 Audi A7 Sportback, while the 2018 Audi A7 Sportback is longer and wider than the 2021 Audi A3 Sportback.

      Length
      4343 mm171.0 in
      4976 mm195.9 in
      Width
      1816 mm71.5 in
      1908 mm75.1 in
      Height
      1458 mm57.4 in
      1422 mm56.0 in

      2021 Audi A3 Sportback Preview
      4343 mm171.0 in πŸ”΄ -633 mm-24.9 in (-12.7%)
      2018 Audi A7 Sportback Side View Left
      4976 mm195.9 in 🟒 +633 mm+24.9 in (+14.6%)
      2021 Audi A3 Sportback Preview
      1816 mm71.5 in πŸ”΄ -92 mm-3.6 in (-4.8%)
      2018 Audi A7 Sportback Front View
      1908 mm75.1 in 🟒 +92 mm+3.6 in (+5.1%)
      2021 Audi A3 Sportback Preview
      1458 mm57.4 in 🟒 +36 mm+1.4 in (+2.5%)
      2018 Audi A7 Sportback Rear View
      1422 mm56.0 in πŸ”΄ -36 mm-1.4 in (-2.5%)
      2021 Audi A3 Sportback
      2018 Audi A7 Sportback

      Side-by-Side Specs: Dimensions, Weight & More

      General Info

      Body Style:

      Hatchback
      Hatchback

      Model Year:

      2021
      2018

      Production:

      2020-2024 Discontinued Model
      2017-2023 Discontinued Model

      Dimensions

      Length:

      4343 mm171.0 in
      πŸ”΄ -633 mm-24.9 in (-12.7%) - πŸ”΄ -626 mm-24.6 in (-12.6%)
      4969-4976 mm195.6-195.9 in
      🟒 +626 mm+24.6 in (+14.4%) - 🟒 +633 mm+24.9 in (+14.6%)

      Width:

      1816 mm71.5 in
      πŸ”΄ -92 mm-3.6 in (-4.8%)
      1908 mm75.1 in
      🟒 +92 mm+3.6 in (+5.1%)

      Width (Folded Mirrors):

      -
      -

      Width (Opened Mirrors):

      1984 mm78.1 in
      πŸ”΄ -134 mm-5.3 in (-6.3%)
      2118 mm83.4 in
      🟒 +134 mm+5.3 in (+6.8%)

      Height:

      1449-1458 mm57.0-57.4 in
      🟒 +27 mm+1.1 in (+1.9%) - 🟒 +39 mm+1.5 in (+2.7%)
      1422 mm56.0 in
      πŸ”΄ -39 mm-1.5 in (-2.7%) - πŸ”΄ -27 mm-1.1 in (-1.9%)

      Ground Clearance:

      -
      -

      Trunk Capacity:

      280-380 liter9.9-13.4 cu ft
      πŸ”΄ -255 liter-9.0 cu ft (-47.7%)
      380-535 liter13.4-18.9 cu ft
      🟒 +255 liter+9.0 cu ft (+91.1%)

      Trunk Capacity (Max):

      1100-1200 liter38.8-42.4 cu ft
      πŸ”΄ -290 liter-10.2 cu ft (-20.9%) - πŸ”΄ -35 liter-1.2 cu ft (-2.8%)
      1235-1390 liter43.6-49.1 cu ft
      🟒 +35 liter+1.2 cu ft (+2.9%) - 🟒 +290 liter+10.2 cu ft (+26.4%)

      Weight Specifications

      Curb Weight:

      1220-1585 kg2690-3494 lbs
      πŸ”΄ -845 kg-1863 lbs (-40.9%) - πŸ”΄ -110 kg-243 lbs (-6.5%)
      1695-2065 kg3737-4553 lbs
      🟒 +110 kg+243 lbs (+6.9%) - 🟒 +845 kg+1863 lbs (+69.3%)

      Maximal permitted Weight:

      1770-2075 kg3902-4575 lbs
      πŸ”΄ -880 kg-1940 lbs (-33.2%) - πŸ”΄ -225 kg-496 lbs (-9.8%)
      2300-2650 kg5071-5842 lbs
      🟒 +225 kg+496 lbs (+10.8%) - 🟒 +880 kg+1940 lbs (+49.7%)

      Roof Load:

      75 kg165 lbs
      πŸ”΄ -25 kg-55 lbs (-25.0%) - πŸ”΄ -15 kg-33 lbs (-16.7%)
      90-100 kg198-220 lbs
      🟒 +15 kg+33 lbs (+20.0%) - 🟒 +25 kg+55 lbs (+33.3%)

      Tire Specifications

      Rims Size:

      16-inch rims:
      • 7 J x 16
      • 7 J x 167 J x 16
      • 7.0J x 16
      • 7J x 16
      • 7.5J x 16
      17-inch rims:
      • 8 J x 17
      • 8J x 17
      18-inch rims:
      • 8 J x 18
      • 8J x 18
      19-inch rims:
      • 8 J x 19
      18-inch rims:
      • 8J x 18
      • 8.0J x 18
      • 8 J x 18
      19-inch rims:
      • 19
      • 8.5J x 19
      20-inch rims:
      • 20
      • 8.5J x 20
      21-inch rims:
      • 21
      • 8.5J x 21

      Tire Size:

      • 205/55 R16 (W:205 | H:55 | D:16)
      • 205/55 R16 91 V (W:205 | H:55 | D:16)
      • 225/40 R18 (W:225 | H:40 | D:18)
      • 225/45 R17 (W:225 | H:45 | D:17)
      • 235/35 R19 (W:235 | H:35 | D:19)
      • 225/55 R18 102Y (W:225 | H:55 | D:18)
      • 225/55 R18 (W:225 | H:55 | D:18)
      • 245/45 R19 (W:245 | H:45 | D:19)
      • 255/35 R21 (W:255 | H:35 | D:21)
      • 255/40 R20 (W:255 | H:40 | D:20)

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