Spec Sizes

Lexus RX 350 vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2014 catalog dimensions. Lexus RX 350 · Porsche Cayenne

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

Side view
  • Length187.8 in
  • Height66.7 in
  • Wheelbase107.9 in
  • Curb weight4,178 lb – 4,510 lb
Front / width
  • Width74.2 in
  • Porsche Cayenne width76.3 in – 78.7 in

Which is bigger?

  • Length: Lexus RX 350 is 3.0 in shorter (187.8 in vs 190.8 in)
  • Width: Lexus RX 350 is 3.3 in narrower (74.2 in vs 77.5 in)
  • Height: Porsche Cayenne is 0.5 in taller (66.7 in vs 67.2 in)
  • Wheelbase: Porsche Cayenne has a 6.1 in longer wheelbase (107.9 in vs 114.0 in)
  • Curb weight: Porsche Cayenne is 297 lb heavier (4,344 lb vs 4,641 lb)

Biggest size differences

  1. Curb weight: Porsche Cayenne is 297 lb heavier (4,344 lb vs 4,641 lb)
  2. Wheelbase: Porsche Cayenne has a 6.1 in longer wheelbase (107.9 in vs 114.0 in)
  3. Width: Lexus RX 350 is 3.3 in narrower (74.2 in vs 77.5 in)
  4. Length: Lexus RX 350 is 3.0 in shorter (187.8 in vs 190.8 in)
  5. Height: Porsche Cayenne is 0.5 in taller (66.7 in vs 67.2 in)

Practical verdicts

  • Easier to fit in a short garageLexus RX 350 — Lexus RX 350 is shorter by 3.0 in Check garage fit for Lexus RX 350 · garage fit for Porsche Cayenne
  • Narrower for tight parkingLexus RX 350 — Lexus RX 350 is narrower by 3.3 in
  • Smaller exterior footprintLexus RX 350 — Based on length × width (Lexus RX 350)

Dimension comparison

SpecLexus RX 350Porsche CayenneDifference
Length187.8 in190.8 in3.0 in
Width74.2 in77.5 in3.3 in
Height66.7 in67.2 in0.5 in
Wheelbase107.9 in114.0 in6.1 in
Ground clearance—9.8 in—
Curb weight4,344 lb4,641 lb297 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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