Here’s how 2023 BMW 3 Series Sedan and 2025 BMW 4 Series Convertible compare in size: 2025 BMW 4 Series Convertible is longer than 2023 BMW 3 Series Sedan, providing extra length. 2025 BMW 4 Series Convertible 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 Convertible, 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
1394 mm54.9 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🟢 +54 mm+2.1 in (+3.9%)
1394 mm54.9 in🔴 -54 mm-2.1 in (-3.7%)
2023 BMW 3 Series Sedan
2025 BMW 4 Series Convertible
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Sedan
Cabriolet
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 🟢 +39 mm+1.5 in (+2.8%) - 🟢 +64 mm+2.5 in (+4.6%)
1384-1394 mm54.5-54.9 in 🔴 -64 mm-2.5 in (-4.4%) - 🔴 -39 mm-1.5 in (-2.7%)
Ground Clearance:
130-147 mm5.1-5.8 in 🟢 +3 mm+0.1 in (+2.4%) - 🟢 +24 mm+0.9 in (+19.5%)
123-127 mm4.8-5.0 in 🔴 -24 mm-0.9 in (-16.3%) - 🔴 -3 mm-0.1 in (-2.3%)
Trunk Capacity:
375-480 liter13.2-17.0 cu ft 🔴 -10 liter-0.4 cu ft (-2.6%) - 🟢 +180 liter+6.4 cu ft (+60.0%)
300-385 liter10.6-13.6 cu ft 🔴 -180 liter-6.4 cu ft (-37.5%) - 🟢 +10 liter+0.4 cu ft (+2.7%)
Trunk Capacity (Max):
1290 liter45.6 cu ft 🟢 +905 liter+32.0 cu ft (+235.1%)
385 liter13.6 cu ft 🔴 -905 liter-32.0 cu ft (-70.2%)
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