Here’s how 2023 BMW 3 Series Sedan and 2025 BMW 4 Series Coupe compare in size: 2025 BMW 4 Series Coupe is longer than 2023 BMW 3 Series Sedan, providing extra length. 2025 BMW 4 Series Coupe is wider than 2023 BMW 3 Series Sedan, giving it a broader stance. 2023 BMW 3 Series Sedan is taller than 2025 BMW 4 Series Coupe, which could improve headroom or visibility.
Length
4723 mm185.9 in
4773 mm187.9 in
Width
1827 mm71.9 in
1852 mm72.9 in
Height
1448 mm57.0 in
1393 mm54.8 in
4723 mm185.9 in🔴 -50 mm-2.0 in (-1.0%)
4773 mm187.9 in🟢 +50 mm+2.0 in (+1.1%)
1827 mm71.9 in🔴 -25 mm-1.0 in (-1.3%)
1852 mm72.9 in🟢 +25 mm+1.0 in (+1.4%)
1448 mm57.0 in🟢 +55 mm+2.2 in (+3.9%)
1393 mm54.8 in🔴 -55 mm-2.2 in (-3.8%)
2023 BMW 3 Series Sedan
2025 BMW 4 Series Coupe
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
Coupe
Model Year:
2023
2025
Production:
2022-present Current Model
2024-present Current Model
Dimensions
Length:
4713-4723 mm185.6-185.9 in 🔴 -60 mm-2.4 in (-1.3%) - 🔴 -45 mm-1.8 in (-0.9%)
4773 mm187.9 in 🟢 +45 mm+1.8 in (+1.0%) - 🟢 +60 mm+2.4 in (+1.3%)
Width:
1827 mm71.9 in 🔴 -25 mm-1.0 in (-1.3%)
1852 mm72.9 in 🟢 +25 mm+1.0 in (+1.4%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2068 mm81.4 in 🔴 -13 mm-0.5 in (-0.6%)
2081 mm81.9 in 🟢 +13 mm+0.5 in (+0.6%)
Height:
1433-1448 mm56.4-57.0 in 🟢 +40 mm+1.6 in (+2.9%) - 🟢 +65 mm+2.6 in (+4.7%)
1383-1393 mm54.4-54.8 in 🔴 -65 mm-2.6 in (-4.5%) - 🔴 -40 mm-1.6 in (-2.8%)
Ground Clearance:
130-147 mm5.1-5.8 in 🟢 +21 mm+0.8 in (+16.7%)
126-130 mm5.0-5.1 in 🔴 -21 mm-0.8 in (-14.3%)
Trunk Capacity:
375-480 liter13.2-17.0 cu ft 🔴 -65 liter-2.3 cu ft (-14.8%) - 🟢 +40 liter+1.4 cu ft (+9.1%)
440 liter15.5 cu ft 🔴 -40 liter-1.4 cu ft (-8.3%) - 🟢 +65 liter+2.3 cu ft (+17.3%)
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