Compare Dimensions Side by Side 1978 Porsche 928 vs. 1990 Porsche 911 Cabriolet
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 1978 Porsche 928 and the 1990 Porsche 911 Cabriolet compare in size:
In terms of length, the 1978 Porsche 928 measures 4523 mm (178.07 in), making it 273 mm (10.75 in) (6.0 %) longer than the 1990 Porsche 911 Cabriolet at 4250 mm (167.32 in). Looking at width, the 1978 Porsche 928 spans 1890 mm (74.41 in), which is 240 mm (9.45 in) (12.7 %) broader than the 1990 Porsche 911 Cabriolet at 1650 mm (64.96 in). As for height, the 1978 Porsche 928 stands at 1313 mm (51.69 in), giving it an extra 3 mm (0.12 in) (0.2 %) compared to the 1990 Porsche 911 Cabriolet at 1310 mm (51.57 in).
Overall, the 1978 Porsche 928 is longer, wider and taller than the 1990 Porsche 911 Cabriolet.
Length
4523 mm178.1 in
4250 mm167.3 in
Width
1890 mm74.4 in
1650 mm65.0 in
Height
1313 mm51.7 in
1310 mm51.6 in
4523 mm178.1 in🟢 +273 mm+10.7 in (+6.4%)
4250 mm167.3 in🔴 -273 mm-10.7 in (-6.0%)
1890 mm74.4 in🟢 +240 mm+9.4 in (+14.5%)
1650 mm65.0 in🔴 -240 mm-9.4 in (-12.7%)
1313 mm51.7 in🟢 +3 mm+0.1 in (+0.2%)
1310 mm51.6 in🔴 -3 mm-0.1 in (-0.2%)
1978 Porsche 928
1990 Porsche 911 Cabriolet
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Coupe
Cabriolet
Model Year:
1978
1990
Production:
1977-1995 Discontinued Model
1989-1994 Discontinued Model
Dimensions
Length:
4447-4523 mm175.1-178.1 in 🟢 +197 mm+7.8 in (+4.6%) - 🟢 +273 mm+10.7 in (+6.4%)
4250 mm167.3 in 🔴 -273 mm-10.7 in (-6.0%) - 🔴 -197 mm-7.8 in (-4.4%)
Width:
1836-1890 mm72.3-74.4 in 🟢 +186 mm+7.3 in (+11.3%) - 🟢 +240 mm+9.4 in (+14.5%)
1650 mm65.0 in 🔴 -240 mm-9.4 in (-12.7%) - 🔴 -186 mm-7.3 in (-10.1%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2028 mm79.8 in
-
Height:
1280-1313 mm50.4-51.7 in 🔴 -30 mm-1.2 in (-2.3%) - 🟢 +3 mm+0.1 in (+0.2%)
1310 mm51.6 in 🔴 -3 mm-0.1 in (-0.2%) - 🟢 +30 mm+1.2 in (+2.3%)
Ground Clearance:
115-125 mm4.5-4.9 in
-
Trunk Capacity:
200 liter7.1 cu ft 🟢 +110 liter+3.9 cu ft (+122.2%)
