1974 Porsche 911 Coupe vs. 2017 Mercedes-Benz AMG GT Roadster
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.

Car #1 Preview Image
1974 Porsche 911 Coupe (Type 930)Change Car
Car #2 Preview Image
2017 Mercedes-Benz AMG GT Roadster (R190)Change Car
Random Comparison

Here’s how the 1974 Porsche 911 Coupe and the 2017 Mercedes-Benz AMG GT Roadster compare in size:

In terms of length, the 2017 Mercedes-Benz AMG GT Roadster comes in at 4551 mm (179.17 in), giving it a 260 mm (10.24 in) (5.7 %) advantage over the 1974 Porsche 911 Coupe at 4291 mm (168.94 in). Looking at width, the 2017 Mercedes-Benz AMG GT Roadster stretches to 1939 mm (76.34 in), making it 164 mm (6.46 in) (8.5 %) wider than the 1974 Porsche 911 Coupe at 1775 mm (69.88 in). As for height, the 1974 Porsche 911 Coupe stands at 1320 mm (51.97 in), giving it an extra 60 mm (2.36 in) (4.5 %) compared to the 2017 Mercedes-Benz AMG GT Roadster at 1260 mm (49.61 in).

Overall, the 1974 Porsche 911 Coupe is taller than the 2017 Mercedes-Benz AMG GT Roadster, while the 2017 Mercedes-Benz AMG GT Roadster is longer and wider than the 1974 Porsche 911 Coupe.

Length
4291 mm168.9 in
4551 mm179.2 in
Width
1775 mm69.9 in
1939 mm76.3 in
Height
1320 mm52.0 in
1260 mm49.6 in

1974 Porsche 911 Coupe Preview
4291 mm168.9 in πŸ”΄ -260 mm-10.2 in (-5.7%)
2017 Mercedes-Benz AMG GT Roadster Side View Left
4551 mm179.2 in 🟒 +260 mm+10.2 in (+6.1%)
1974 Porsche 911 Coupe Front View
1775 mm69.9 in πŸ”΄ -164 mm-6.5 in (-8.5%)
2017 Mercedes-Benz AMG GT Roadster Front View
1939 mm76.3 in 🟒 +164 mm+6.5 in (+9.2%)
1974 Porsche 911 Coupe Rear View
1320 mm52.0 in 🟒 +60 mm+2.4 in (+4.8%)
2017 Mercedes-Benz AMG GT Roadster Rear View
1260 mm49.6 in πŸ”΄ -60 mm-2.4 in (-4.5%)
1974 Porsche 911 Coupe
2017 Mercedes-Benz AMG GT Roadster

Side-by-Side Specs: Dimensions, Weight & More

General Info

Body Style:

Coupe
Roadster

Model Year:

1974
2017

Production:

1975-1989 Discontinued Model
2017-2021 Discontinued Model

Dimensions

Length:

4291 mm168.9 in
πŸ”΄ -260 mm-10.2 in (-5.7%) - πŸ”΄ -253 mm-10.0 in (-5.6%)
4544-4551 mm178.9-179.2 in
🟒 +253 mm+10.0 in (+5.9%) - 🟒 +260 mm+10.2 in (+6.1%)

Width:

1775 mm69.9 in
πŸ”΄ -164 mm-6.5 in (-8.5%)
1939 mm76.3 in
🟒 +164 mm+6.5 in (+9.2%)

Width (Folded Mirrors):

-
-

Width (Opened Mirrors):

-
2075 mm81.7 in

Height:

1280-1320 mm50.4-52.0 in
🟒 +20 mm+0.8 in (+1.6%) - 🟒 +61 mm+2.4 in (+4.8%)
1260 mm49.6 in
πŸ”΄ -61 mm-2.4 in (-4.6%) - πŸ”΄ -20 mm-0.8 in (-1.6%)

Ground Clearance:

120-157 mm4.7-6.2 in
🟒 +24 mm+0.9 in (+25.0%) - 🟒 +61 mm+2.4 in (+63.5%)
96 mm3.8 in
πŸ”΄ -61 mm-2.4 in (-38.9%) - πŸ”΄ -24 mm-0.9 in (-20.0%)

Trunk Capacity:

-
165 liter5.8 cu ft

Trunk Capacity (Max):

-
-

Weight Specifications

Curb Weight:

1140-1335 kg2513-2943 lbs
πŸ”΄ -520 kg-1146 lbs (-31.3%) - πŸ”΄ -260 kg-573 lbs (-16.3%)
1595-1660 kg3516-3660 lbs
🟒 +260 kg+573 lbs (+19.5%) - 🟒 +520 kg+1146 lbs (+45.6%)

Maximal permitted Weight:

1525-1680 kg3362-3704 lbs
πŸ”΄ -415 kg-915 lbs (-21.4%) - πŸ”΄ -260 kg-573 lbs (-13.4%)
1940 kg4277 lbs
🟒 +260 kg+573 lbs (+15.5%) - 🟒 +415 kg+915 lbs (+27.2%)

Roof Load:

35-75 kg77-165 lbs
-

Tire Specifications

Rims Size:

16-inch rims:
  • 8J x 16
  • 7J x 16
  • 9J x 16
15-inch rims:
  • 8J x 15
  • 7J x 15
  • 19 inches
  • 20 inches

Tire Size:

  • 185/70 R15 (W:185 | H:70 | D:15)
  • 205/50 R15 (W:205 | H:50 | D:15)
  • 205/55 R16 (W:205 | H:55 | D:16)
  • 215/60 R15 (W:215 | H:60 | D:15)
  • 225/50 R5 (W:225 | H:50 | D:5)
  • 225/50 R16 (W:225 | H:50 | D:16)
  • 245/45 R16 (W:245 | H:45 | D:16)
  • 255/35 ZR19 (W:255 | H:35 | D:19)
  • 265/35 ZR19 (W:265 | H:35 | D:19)
  • 295/35 ZR19 (W:295 | H:35 | D:19)
  • 305/30 ZR20 (W:305 | H:30 | D:20)

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