Spec Sizes

Porsche Cayenne vs Lexus RX 350 Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Porsche Cayenne · Lexus RX 350

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

Side view
  • Length191.1 in
  • Height67.0 in – 67.4 in
  • Wheelbase114.0 in
  • Ground clearance6.6 in – 8.5 in
  • Curb weight4,488 lb – 4,927 lb
Front / width
  • Width78.7 in
  • Lexus RX 350 width74.6 in

Which is bigger?

  • Length: Porsche Cayenne is 1.4 in shorter (191.1 in vs 192.5 in)
  • Width: Lexus RX 350 is 4.1 in narrower (78.7 in vs 74.6 in)
  • Height: Lexus RX 350 is 0.5 in taller (67.2 in vs 67.7 in)
  • Wheelbase: Porsche Cayenne has a 4.2 in longer wheelbase (114.0 in vs 109.8 in)
  • Ground clearance: Lexus RX 350 has 0.6 in more ground clearance (7.5 in vs 8.2 in)
  • Curb weight: Porsche Cayenne is 403 lb heavier (4,708 lb vs 4,305 lb)

Biggest size differences

  1. Curb weight: Porsche Cayenne is 403 lb heavier (4,708 lb vs 4,305 lb)
  2. Ground clearance: Lexus RX 350 has 0.6 in more ground clearance (7.5 in vs 8.2 in)
  3. Width: Lexus RX 350 is 4.1 in narrower (78.7 in vs 74.6 in)
  4. Wheelbase: Porsche Cayenne has a 4.2 in longer wheelbase (114.0 in vs 109.8 in)
  5. Height: Lexus RX 350 is 0.5 in taller (67.2 in vs 67.7 in)

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 1.4 in Check garage fit for Porsche Cayenne · garage fit for Lexus RX 350
  • Narrower for tight parkingLexus RX 350 — Lexus RX 350 is narrower by 4.1 in
  • More ground clearanceLexus RX 350 — Lexus RX 350 has 0.6 in more clearance
  • Smaller exterior footprintLexus RX 350 — Based on length × width (Lexus RX 350)

Dimension comparison

SpecPorsche CayenneLexus RX 350Difference
Length191.1 in192.5 in1.4 in
Width78.7 in74.6 in4.1 in
Height67.2 in67.7 in0.5 in
Wheelbase114.0 in109.8 in4.2 in
Ground clearance7.5 in8.2 in0.6 in
Curb weight4,708 lb4,305 lb403 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.