Compare Dimensions Side by Side 2026 Audi Q3 III vs. 2017 Audi A3 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.
Here’s how the 2026 Audi Q3 III and the 2017 Audi A3 Sportback compare in size:
In terms of length, the 2026 Audi Q3 III measures 4531 mm (178.39 in), making it 218 mm (8.58 in) (4.8 %) longer than the 2017 Audi A3 Sportback at 4313 mm (169.80 in). Looking at width, the 2026 Audi Q3 III spans 1859 mm (73.19 in), which is 74 mm (2.91 in) (4.0 %) broader than the 2017 Audi A3 Sportback at 1785 mm (70.28 in). As for height, the 2026 Audi Q3 III stands at 1601 mm (63.03 in), giving it an extra 140 mm (5.51 in) (8.7 %) compared to the 2017 Audi A3 Sportback at 1461 mm (57.52 in).
Overall, the 2026 Audi Q3 III is longer, wider and taller than the 2017 Audi A3 Sportback.
Length
4531 mm178.4 in
4313 mm169.8 in
Width
1859 mm73.2 in
1785 mm70.3 in
Height
1601 mm63.0 in
1461 mm57.5 in
4531 mm178.4 in🟢 +218 mm+8.6 in (+5.1%)
4313 mm169.8 in🔴 -218 mm-8.6 in (-4.8%)
1859 mm73.2 in🟢 +74 mm+2.9 in (+4.1%)
1785 mm70.3 in🔴 -74 mm-2.9 in (-4.0%)
1601 mm63.0 in🟢 +140 mm+5.5 in (+9.6%)
1461 mm57.5 in🔴 -140 mm-5.5 in (-8.7%)
2026 Audi Q3 III
2017 Audi A3 Sportback
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
SUV
Hatchback
Model Year:
2026
2017
Production:
2025-present Current Model
2016-2020 Discontinued Model
Dimensions
Length:
4531 mm178.4 in 🟢 +218 mm+8.6 in (+5.1%) - 🟢 +220 mm+8.7 in (+5.1%)
4313 mm169.8 in 🔴 -220 mm-8.7 in (-4.9%) - 🔴 -218 mm-8.6 in (-4.8%)
Width:
1859 mm73.2 in 🟢 +74 mm+2.9 in (+4.1%)
1785 mm70.3 in 🔴 -74 mm-2.9 in (-4.0%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2087 mm82.2 in 🟢 +121 mm+4.8 in (+6.2%)
1966 mm77.4 in 🔴 -121 mm-4.8 in (-5.8%)
Height:
1601 mm63.0 in 🟢 +140 mm+5.5 in (+9.6%) - 🟢 +175 mm+6.9 in (+12.3%)
1426-1461 mm56.1-57.5 in 🔴 -175 mm-6.9 in (-10.9%) - 🔴 -140 mm-5.5 in (-8.7%)
Ground Clearance:
-
-
Trunk Capacity:
375-488 liter13.2-17.2 cu ft 🔴 -5 liter-0.2 cu ft (-1.3%) - 🟢 +208 liter+7.3 cu ft (+74.3%)
280-380 liter9.9-13.4 cu ft 🔴 -208 liter-7.3 cu ft (-42.6%) - 🟢 +5 liter+0.2 cu ft (+1.3%)
Trunk Capacity (Max):
1293-1386 liter45.7-48.9 cu ft 🟢 +73 liter+2.6 cu ft (+6.0%) - 🟢 +266 liter+9.4 cu ft (+23.8%)
1120-1220 liter39.6-43.1 cu ft 🔴 -266 liter-9.4 cu ft (-19.2%) - 🔴 -73 liter-2.6 cu ft (-5.6%)
