1978 Porsche 928 vs 1981 Mercedes-Benz S-class Coupe
1978 Porsche 928 vs. 1981 Mercedes-Benz S-class Coupe 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 1978 Porsche 928 and the 1981 Mercedes-Benz S-class Coupe compare in size:
In terms of length, the 1981 Mercedes-Benz S-class Coupe comes in at 4910 mm (193.31 in), giving it a 387 mm (15.24 in) (7.9 %) advantage over the 1978 Porsche 928 at 4523 mm (178.07 in). Looking at width, the 1978 Porsche 928 spans 1890 mm (74.41 in), which is 62 mm (2.44 in) (3.3 %) broader than the 1981 Mercedes-Benz S-class Coupe at 1828 mm (71.97 in). As for height, the 1981 Mercedes-Benz S-class Coupe reaches 1406 mm (55.35 in), which is 93 mm (3.66 in) (6.6 %) taller than the 1978 Porsche 928 at 1313 mm (51.69 in).
Overall, the 1978 Porsche 928 is wider than the 1981 Mercedes-Benz S-class Coupe, while the 1981 Mercedes-Benz S-class Coupe is longer and taller than the 1978 Porsche 928.
Length
4523 mm178.1 in
4910 mm193.3 in
Width
1890 mm74.4 in
1828 mm72.0 in
Height
1313 mm51.7 in
1406 mm55.4 in
4523 mm178.1 in🔴 -387 mm-15.2 in (-7.9%)
4910 mm193.3 in🟢 +387 mm+15.2 in (+8.6%)
1890 mm74.4 in🟢 +62 mm+2.4 in (+3.4%)
1828 mm72.0 in🔴 -62 mm-2.4 in (-3.3%)
1313 mm51.7 in🔴 -93 mm-3.7 in (-6.6%)
1406 mm55.4 in🟢 +93 mm+3.7 in (+7.1%)
1978 Porsche 928
1981 Mercedes-Benz S-class Coupe
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Coupe
Coupe
Model Year:
1978
1981
Production:
1977-1995 Discontinued Model
1980-1985 Discontinued Model
Dimensions
Length:
4447-4523 mm175.1-178.1 in 🔴 -463 mm-18.2 in (-9.4%) - 🔴 -387 mm-15.2 in (-7.9%)
4910 mm193.3 in 🟢 +387 mm+15.2 in (+8.6%) - 🟢 +463 mm+18.2 in (+10.4%)
Width:
1836-1890 mm72.3-74.4 in 🟢 +8 mm+0.3 in (+0.4%) - 🟢 +62 mm+2.4 in (+3.4%)
1828 mm72.0 in 🔴 -62 mm-2.4 in (-3.3%) - 🔴 -8 mm-0.3 in (-0.4%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2028 mm79.8 in
-
Height:
1280-1313 mm50.4-51.7 in 🔴 -126 mm-5.0 in (-9.0%) - 🔴 -93 mm-3.7 in (-6.6%)
1406 mm55.4 in 🟢 +93 mm+3.7 in (+7.1%) - 🟢 +126 mm+5.0 in (+9.8%)
