2026 Audi Q3 III Sportback vs. 2018 Lexus NX I 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 2018 Lexus NX I compare in size:
In terms of length, the 2018 Lexus NX I comes in at 4640 mm (182.68 in), giving it a 109 mm (4.29 in) (2.3 %) advantage over the 2026 Audi Q3 III Sportback at 4531 mm (178.39 in). Looking at width, the 2018 Lexus NX I stretches to 1869 mm (73.58 in), making it 10 mm (0.39 in) (0.5 %) wider than the 2026 Audi Q3 III Sportback at 1859 mm (73.19 in). As for height, the 2018 Lexus NX I reaches 1646 mm (64.80 in), which is 87 mm (3.43 in) (5.3 %) taller than the 2026 Audi Q3 III Sportback at 1559 mm (61.38 in).
Overall, the 2018 Lexus NX I is longer, wider and taller than the 2026 Audi Q3 III Sportback.
Length
4531 mm178.4 in
4640 mm182.7 in
Width
1859 mm73.2 in
1869 mm73.6 in
Height
1559 mm61.4 in
1646 mm64.8 in
4531 mm178.4 in🔴 -109 mm-4.3 in (-2.3%)
4640 mm182.7 in🟢 +109 mm+4.3 in (+2.4%)
1859 mm73.2 in🔴 -10 mm-0.4 in (-0.5%)
1869 mm73.6 in🟢 +10 mm+0.4 in (+0.5%)
1559 mm61.4 in🔴 -87 mm-3.4 in (-5.3%)
1646 mm64.8 in🟢 +87 mm+3.4 in (+5.6%)
2026 Audi Q3 III Sportback
2018 Lexus NX I
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Coupe, SUV
SUV
Model Year:
2026
2018
Production:
n/a
2017-2021 Discontinued Model
Dimensions
Length:
4531 mm178.4 in 🔴 -109 mm-4.3 in (-2.3%) - 🔴 -107 mm-4.2 in (-2.3%)
4640 mm182.7 in 🟢 +107 mm+4.2 in (+2.4%) - 🟢 +109 mm+4.3 in (+2.4%)
Width:
1859 mm73.2 in 🔴 -10 mm-0.4 in (-0.5%) - 🟢 +14 mm+0.6 in (+0.8%)
1845-1869 mm72.6-73.6 in 🔴 -14 mm-0.6 in (-0.8%) - 🟢 +10 mm+0.4 in (+0.5%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2087 mm82.2 in
-
Height:
1559 mm61.4 in 🔴 -87 mm-3.4 in (-5.3%) - 🔴 -86 mm-3.4 in (-5.2%)
1646 mm64.8 in 🟢 +86 mm+3.4 in (+5.5%) - 🟢 +87 mm+3.4 in (+5.6%)
Ground Clearance:
-
175 mm6.9 in
Trunk Capacity:
375-488 liter13.2-17.2 cu ft 🔴 -180 liter-6.4 cu ft (-32.4%) - 🔴 -13 liter-0.5 cu ft (-2.6%)
501-555 liter17.7-19.6 cu ft 🟢 +13 liter+0.5 cu ft (+2.7%) - 🟢 +180 liter+6.4 cu ft (+48.0%)
Trunk Capacity (Max):
1196-1289 liter42.2-45.5 cu ft 🔴 -404 liter-14.3 cu ft (-25.2%) - 🔴 -311 liter-11.0 cu ft (-19.4%)
1600 liter56.5 cu ft 🟢 +311 liter+11.0 cu ft (+24.1%) - 🟢 +404 liter+14.3 cu ft (+33.8%)
