2026 Audi Q3 III Sportback vs 2021 Mercedes-Benz C-class
2026 Audi Q3 III Sportback vs. 2021 Mercedes-Benz C-class 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 2026 Audi Q3 III Sportback and the 2021 Mercedes-Benz C-class compare in size:
In terms of length, the 2021 Mercedes-Benz C-class comes in at 4842 mm (190.63 in), giving it a 311 mm (12.24 in) (6.4 %) advantage over the 2026 Audi Q3 III Sportback at 4531 mm (178.39 in). Looking at width, the 2021 Mercedes-Benz C-class stretches to 1900 mm (74.80 in), making it 41 mm (1.61 in) (2.2 %) wider than the 2026 Audi Q3 III Sportback at 1859 mm (73.19 in). As for height, the 2026 Audi Q3 III Sportback stands at 1559 mm (61.38 in), giving it an extra 101 mm (3.98 in) (6.5 %) compared to the 2021 Mercedes-Benz C-class at 1458 mm (57.40 in).
Overall, the 2026 Audi Q3 III Sportback is taller than the 2021 Mercedes-Benz C-class, while the 2021 Mercedes-Benz C-class is longer and wider than the 2026 Audi Q3 III Sportback.
Length
4531 mm178.4 in
4842 mm190.6 in
Width
1859 mm73.2 in
1900 mm74.8 in
Height
1559 mm61.4 in
1458 mm57.4 in
4531 mm178.4 in🔴 -311 mm-12.2 in (-6.4%)
4842 mm190.6 in🟢 +311 mm+12.2 in (+6.9%)
1859 mm73.2 in🔴 -41 mm-1.6 in (-2.2%)
1900 mm74.8 in🟢 +41 mm+1.6 in (+2.2%)
1559 mm61.4 in🟢 +101 mm+4.0 in (+6.9%)
1458 mm57.4 in🔴 -101 mm-4.0 in (-6.5%)
2026 Audi Q3 III Sportback
2021 Mercedes-Benz C-class
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Coupe, SUV
Sedan
Model Year:
2026
2021
Production:
n/a
n/a
Dimensions
Length:
4531 mm178.4 in 🔴 -311 mm-12.2 in (-6.4%) - 🔴 -220 mm-8.7 in (-4.6%)
4751-4842 mm187.0-190.6 in 🟢 +220 mm+8.7 in (+4.9%) - 🟢 +311 mm+12.2 in (+6.9%)
Width:
1859 mm73.2 in 🔴 -41 mm-1.6 in (-2.2%) - 🟢 +39 mm+1.5 in (+2.1%)
1820-1900 mm71.7-74.8 in 🔴 -39 mm-1.5 in (-2.1%) - 🟢 +41 mm+1.6 in (+2.2%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2087 mm82.2 in 🟢 +54 mm+2.1 in (+2.7%)
2033 mm80.0 in 🔴 -54 mm-2.1 in (-2.6%)
Height:
1559 mm61.4 in 🟢 +101 mm+4.0 in (+6.9%) - 🟢 +122 mm+4.8 in (+8.5%)
1437-1458 mm56.6-57.4 in 🔴 -122 mm-4.8 in (-7.8%) - 🔴 -101 mm-4.0 in (-6.5%)
Ground Clearance:
-
-
Trunk Capacity:
375-488 liter13.2-17.2 cu ft 🔴 -80 liter-2.8 cu ft (-17.6%) - 🟢 +208 liter+7.3 cu ft (+74.3%)
280-455 liter9.9-16.1 cu ft 🔴 -208 liter-7.3 cu ft (-42.6%) - 🟢 +80 liter+2.8 cu ft (+21.3%)
