2021 Audi A3 Sedan vs. 2020 Audi A4 Avant
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.

Car #1 Preview Image
2021 Audi A3 Sedan (8Y)Change Car
Car #2 Preview Image
2020 Audi A4 Avant (B9 8W, facelift 2019)Change Car
Random Comparison

Here’s how the 2021 Audi A3 Sedan and the 2020 Audi A4 Avant compare in size:

In terms of length, the 2020 Audi A4 Avant 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 Avant 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 Avant reaches 1460 mm (57.48 in), which is 35 mm (1.38 in) (2.4 %) taller than the 2021 Audi A3 Sedan at 1425 mm (56.10 in).

Overall, the 2020 Audi A4 Avant 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
1460 mm57.5 in

2021 Audi A3 Sedan Side View Left
4495 mm177.0 in πŸ”΄ -267 mm-10.5 in (-5.6%)
2020 Audi A4 Avant Side View Left
4762 mm187.5 in 🟒 +267 mm+10.5 in (+5.9%)
2021 Audi A3 Sedan Front View
1816 mm71.5 in πŸ”΄ -31 mm-1.2 in (-1.7%)
2020 Audi A4 Avant Front View
1847 mm72.7 in 🟒 +31 mm+1.2 in (+1.7%)
2021 Audi A3 Sedan Rear View
1425 mm56.1 in πŸ”΄ -35 mm-1.4 in (-2.4%)
2020 Audi A4 Avant Rear View
1460 mm57.5 in 🟒 +35 mm+1.4 in (+2.5%)
2021 Audi A3 Sedan
2020 Audi A4 Avant

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

General Info

Body Style:

Sedan
Wagon

Model Year:

2021
2020

Production:

2020-2024 Discontinued Model
n/a

Dimensions

Length:

4495 mm177.0 in
πŸ”΄ -267 mm-10.5 in (-5.6%)
4762 mm187.5 in
🟒 +267 mm+10.5 in (+5.9%)

Width:

1816 mm71.5 in
πŸ”΄ -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
πŸ”΄ -38 mm-1.5 in (-1.9%)
2022 mm79.6 in
🟒 +38 mm+1.5 in (+1.9%)

Height:

1425 mm56.1 in
πŸ”΄ -35 mm-1.4 in (-2.4%) - πŸ”΄ -10 mm-0.4 in (-0.7%)
1435-1460 mm56.5-57.5 in
🟒 +10 mm+0.4 in (+0.7%) - 🟒 +35 mm+1.4 in (+2.5%)

Ground Clearance:

-
-

Trunk Capacity:

390-425 liter13.8-15.0 cu ft
πŸ”΄ -105 liter-3.7 cu ft (-21.2%) - 🟒 +10 liter+0.4 cu ft (+2.4%)
415-495 liter14.7-17.5 cu ft
πŸ”΄ -10 liter-0.4 cu ft (-2.4%) - 🟒 +105 liter+3.7 cu ft (+26.9%)

Trunk Capacity (Max):

-
1415-1495 liter50.0-52.8 cu ft

Weight Specifications

Curb Weight:

1225-1465 kg2701-3230 lbs
πŸ”΄ -560 kg-1235 lbs (-31.4%)
1465-1785 kg3230-3935 lbs
🟒 +560 kg+1235 lbs (+45.7%)

Maximal permitted Weight:

1775-2005 kg3913-4420 lbs
πŸ”΄ -610 kg-1345 lbs (-25.6%) - πŸ”΄ -65 kg-143 lbs (-3.1%)
2070-2385 kg4564-5258 lbs
🟒 +65 kg+143 lbs (+3.2%) - 🟒 +610 kg+1345 lbs (+34.4%)

Roof Load:

75 kg165 lbs
πŸ”΄ -15 kg-33 lbs (-16.7%)
90 kg198 lbs
🟒 +15 kg+33 lbs (+20.0%)

Tire Specifications

Rims Size:

16-inch rims:
  • 7J x 16
  • 7 J x 16
17-inch rims:
  • 8J x 17
18-inch rims:
  • 8J x 18
16-inch rims:
  • 7 J x 16
  • 7.0 J x 16
  • 7J x 16
7-inch rims:
  • 7
17-inch rims:
  • 5 J x 17
  • 7.5 J x 17

Tire Size:

  • 205/55 R16 91V (W:205 | H:55 | D:16)
  • 205/55 R16 (W:205 | H:55 | D:16)
  • 225/40 R18 (W:225 | H:40 | D:18)
  • 225/45 R17 (W:225 | H:45 | D:17)
  • 205/60 R16 (W:205 | H:60 | D:16)
  • 225/50 R17 (W:225 | H:50 | D:17)

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