BMW X4 vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2018 catalog dimensions. BMW X4 · Porsche Cayenne

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length184.3 in
  • Height63.9 in
  • Wheelbase110.6 in
  • Ground clearance8.0 in
  • Curb weight4,130 lb – 4,235 lb
Front / width
  • Width74.1 in
  • Porsche Cayenne width78.7 in

Which is bigger?

  • Length: BMW X4 is 6.8 in shorter (184.3 in vs 191.1 in)
  • Width: BMW X4 is 4.6 in narrower (74.1 in vs 78.7 in)
  • Height: Porsche Cayenne is 3.3 in taller (63.9 in vs 67.2 in)
  • Wheelbase: Porsche Cayenne has a 3.4 in longer wheelbase (110.6 in vs 114.0 in)
  • Ground clearance: BMW X4 has 0.5 in more ground clearance (8.0 in vs 7.5 in)
  • Curb weight: Porsche Cayenne is 525 lb heavier (4,183 lb vs 4,708 lb)

Biggest size differences

  1. Curb weight: Porsche Cayenne is 525 lb heavier (4,183 lb vs 4,708 lb)
  2. Ground clearance: BMW X4 has 0.5 in more ground clearance (8.0 in vs 7.5 in)
  3. Width: BMW X4 is 4.6 in narrower (74.1 in vs 78.7 in)
  4. Height: Porsche Cayenne is 3.3 in taller (63.9 in vs 67.2 in)
  5. Length: BMW X4 is 6.8 in shorter (184.3 in vs 191.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW X4BMW X4 is shorter by 6.8 in Check garage fit for BMW X4 · garage fit for Porsche Cayenne
  • Narrower for tight parkingBMW X4BMW X4 is narrower by 4.6 in
  • More ground clearanceBMW X4BMW X4 has 0.5 in more clearance
  • Smaller exterior footprintBMW X4Based on length × width (BMW X4)

Dimension comparison

SpecBMW X4Porsche CayenneDifference
Length184.3 in191.1 in6.8 in
Width74.1 in78.7 in4.6 in
Height63.9 in67.2 in3.3 in
Wheelbase110.6 in114.0 in3.4 in
Ground clearance8.0 in7.5 in0.5 in
Curb weight4,183 lb4,708 lb525 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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