1990 Porsche 911 Cabriolet vs. 1978 Porsche 928 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 1990 Porsche 911 Cabriolet and the 1978 Porsche 928 compare in size:
In terms of length, the 1978 Porsche 928 comes in at 4523 mm (178.07 in), giving it a 273 mm (10.75 in) (6.0 %) advantage over the 1990 Porsche 911 Cabriolet at 4250 mm (167.32 in). Looking at width, the 1978 Porsche 928 stretches to 1890 mm (74.41 in), making it 240 mm (9.45 in) (12.7 %) wider than the 1990 Porsche 911 Cabriolet at 1650 mm (64.96 in). As for height, the 1978 Porsche 928 reaches 1313 mm (51.69 in), which is 3 mm (0.12 in) (0.2 %) taller than 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
4250 mm167.3 in
4523 mm178.1 in
Width
1650 mm65.0 in
1890 mm74.4 in
Height
1310 mm51.6 in
1313 mm51.7 in
4250 mm167.3 in🔴 -273 mm-10.7 in (-6.0%)
4523 mm178.1 in🟢 +273 mm+10.7 in (+6.4%)
1650 mm65.0 in🔴 -240 mm-9.4 in (-12.7%)
1890 mm74.4 in🟢 +240 mm+9.4 in (+14.5%)
1310 mm51.6 in🔴 -3 mm-0.1 in (-0.2%)
1313 mm51.7 in🟢 +3 mm+0.1 in (+0.2%)
1990 Porsche 911 Cabriolet
1978 Porsche 928
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Cabriolet
Coupe
Model Year:
1990
1978
Production:
1989-1994 Discontinued Model
1977-1995 Discontinued Model
Dimensions
Length:
4250 mm167.3 in 🔴 -273 mm-10.7 in (-6.0%) - 🔴 -197 mm-7.8 in (-4.4%)
4447-4523 mm175.1-178.1 in 🟢 +197 mm+7.8 in (+4.6%) - 🟢 +273 mm+10.7 in (+6.4%)
Width:
1650 mm65.0 in 🔴 -240 mm-9.4 in (-12.7%) - 🔴 -186 mm-7.3 in (-10.1%)
1836-1890 mm72.3-74.4 in 🟢 +186 mm+7.3 in (+11.3%) - 🟢 +240 mm+9.4 in (+14.5%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
-
2028 mm79.8 in
Height:
1310 mm51.6 in 🔴 -3 mm-0.1 in (-0.2%) - 🟢 +30 mm+1.2 in (+2.3%)
1280-1313 mm50.4-51.7 in 🔴 -30 mm-1.2 in (-2.3%) - 🟢 +3 mm+0.1 in (+0.2%)
Ground Clearance:
-
115-125 mm4.5-4.9 in
Trunk Capacity:
90 liter3.2 cu ft 🔴 -110 liter-3.9 cu ft (-55.0%)
200 liter7.1 cu ft 🟢 +110 liter+3.9 cu ft (+122.2%)
