1978 Porsche 928 vs. 1970 Alfa Romeo Spider 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 1970 Alfa Romeo Spider compare in size:
In terms of length, the 1978 Porsche 928 measures 4523 mm (178.07 in), making it 263 mm (10.35 in) (5.8 %) longer than the 1970 Alfa Romeo Spider at 4260 mm (167.72 in). Looking at width, the 1978 Porsche 928 spans 1890 mm (74.41 in), which is 260 mm (10.24 in) (13.8 %) broader than the 1970 Alfa Romeo Spider at 1630 mm (64.17 in). As for height, the 1978 Porsche 928 stands at 1313 mm (51.69 in), giving it an extra 23 mm (0.91 in) (1.8 %) compared to the 1970 Alfa Romeo Spider at 1290 mm (50.79 in).
Overall, the 1978 Porsche 928 is longer, wider and taller than the 1970 Alfa Romeo Spider.
Length
4523 mm178.1 in
4260 mm167.7 in
Width
1890 mm74.4 in
1630 mm64.2 in
Height
1313 mm51.7 in
1290 mm50.8 in
4523 mm178.1 in🟢 +263 mm+10.4 in (+6.2%)
4260 mm167.7 in🔴 -263 mm-10.4 in (-5.8%)
1890 mm74.4 in🟢 +260 mm+10.2 in (+16.0%)
1630 mm64.2 in🔴 -260 mm-10.2 in (-13.8%)
1313 mm51.7 in🟢 +23 mm+0.9 in (+1.8%)
1290 mm50.8 in🔴 -23 mm-0.9 in (-1.8%)
1978 Porsche 928
1970 Alfa Romeo Spider
Side-by-Side Specs: Dimensions, Weight & More
General Info
Body Style:
Coupe
Cabriolet
Model Year:
1978
1970
Production:
1977-1995 Discontinued Model
1966-1993 Discontinued Model
Dimensions
Length:
4447-4523 mm175.1-178.1 in 🟢 +187 mm+7.4 in (+4.4%) - 🟢 +263 mm+10.4 in (+6.2%)
4260 mm167.7 in 🔴 -263 mm-10.4 in (-5.8%) - 🔴 -187 mm-7.4 in (-4.2%)
Width:
1836-1890 mm72.3-74.4 in 🟢 +206 mm+8.1 in (+12.6%) - 🟢 +260 mm+10.2 in (+16.0%)
1630 mm64.2 in 🔴 -260 mm-10.2 in (-13.8%) - 🔴 -206 mm-8.1 in (-11.2%)
Width (Folded Mirrors):
-
-
Width (Opened Mirrors):
2028 mm79.8 in
-
Height:
1280-1313 mm50.4-51.7 in 🔴 -10 mm-0.4 in (-0.8%) - 🟢 +23 mm+0.9 in (+1.8%)
1290 mm50.8 in 🔴 -23 mm-0.9 in (-1.8%) - 🟢 +10 mm+0.4 in (+0.8%)
Ground Clearance:
115-125 mm4.5-4.9 in
-
Trunk Capacity:
200 liter7.1 cu ft 🔴 -100 liter-3.5 cu ft (-33.3%)
300 liter10.6 cu ft 🟢 +100 liter+3.5 cu ft (+50.0%)
Trunk Capacity (Max):
400 liter14.1 cu ft 🔴 -100 liter-3.5 cu ft (-20.0%)
500 liter17.7 cu ft 🟢 +100 liter+3.5 cu ft (+25.0%)
