2021 Audi A3 Sedan vs. 2020 Audi A4 allroad
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 allroad (B9 8W, facelift 2019)Change Car
Random Comparison

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

2021 Audi A3 Sedan Side View Left
4495 mm177.0 in πŸ”΄ -267 mm-10.5 in (-5.6%)
2020 Audi A4 allroad 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 allroad Front View
1847 mm72.7 in 🟒 +31 mm+1.2 in (+1.7%)
2021 Audi A3 Sedan Rear View
1425 mm56.1 in πŸ”΄ -68 mm-2.7 in (-4.6%)
2020 Audi A4 allroad Rear View
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
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”΄ -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
πŸ”΄ -105 liter-3.7 cu ft (-21.2%) - πŸ”΄ -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%)

Trunk Capacity (Max):

-
1495 liter52.8 cu ft

Weight Specifications

Curb Weight:

1225-1465 kg2701-3230 lbs
πŸ”΄ -585 kg-1290 lbs (-32.3%) - πŸ”΄ -150 kg-331 lbs (-9.3%)
1615-1810 kg3560-3990 lbs
🟒 +150 kg+331 lbs (+10.2%) - 🟒 +585 kg+1290 lbs (+47.8%)

Maximal permitted Weight:

1775-2005 kg3913-4420 lbs
πŸ”΄ -610 kg-1345 lbs (-25.6%) - πŸ”΄ -195 kg-430 lbs (-8.9%)
2200-2385 kg4850-5258 lbs
🟒 +195 kg+430 lbs (+9.7%) - 🟒 +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
17-inch rims:
  • 7.5J 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)
  • 225/55 R17 97Y (W:225 | H:55 | D:17)
  • 225/55 R17 (W:225 | H:55 | D:17)

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