Spec Sizes

Nissan Altima vs Infiniti Q50 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Nissan Altima · Infiniti Q50

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

Side view
  • Length191.9 in
  • Height57.8 in – 58.0 in
  • Wheelbase109.3 in
  • Ground clearance5.4 in
  • Curb weight3,212 lb – 3,462 lb
Front / width
  • Width72.0 in
  • Infiniti Q50 width71.8 in

Which is bigger?

  • Length: Infiniti Q50 is 2.3 in shorter (191.9 in vs 189.6 in)
  • Width: Infiniti Q50 is 0.2 in narrower (72.0 in vs 71.8 in)
  • Height: Nissan Altima is 0.9 in taller (57.9 in vs 57.0 in)
  • Wheelbase: Infiniti Q50 has a 2.9 in longer wheelbase (109.3 in vs 112.2 in)
  • Ground clearance: Nissan Altima has 0.4 in more ground clearance (5.4 in vs 5.0 in)
  • Curb weight: Infiniti Q50 is 495 lb heavier (3,337 lb vs 3,832 lb)

Biggest size differences

  1. Curb weight: Infiniti Q50 is 495 lb heavier (3,337 lb vs 3,832 lb)
  2. Ground clearance: Nissan Altima has 0.4 in more ground clearance (5.4 in vs 5.0 in)
  3. Wheelbase: Infiniti Q50 has a 2.9 in longer wheelbase (109.3 in vs 112.2 in)
  4. Height: Nissan Altima is 0.9 in taller (57.9 in vs 57.0 in)
  5. Length: Infiniti Q50 is 2.3 in shorter (191.9 in vs 189.6 in)

Practical verdicts

  • Easier to fit in a short garageInfiniti Q50 — Infiniti Q50 is shorter by 2.3 in Check garage fit for Nissan Altima · garage fit for Infiniti Q50
  • Narrower for tight parkingInfiniti Q50 — Infiniti Q50 is narrower by 0.2 in
  • More ground clearanceNissan Altima — Nissan Altima has 0.4 in more clearance
  • Smaller exterior footprintInfiniti Q50 — Based on length × width (Infiniti Q50)

Dimension comparison

SpecNissan AltimaInfiniti Q50Difference
Length191.9 in189.6 in2.3 in
Width72.0 in71.8 in0.2 in
Height57.9 in57.0 in0.9 in
Wheelbase109.3 in112.2 in2.9 in
Ground clearance5.4 in5.0 in0.4 in
Curb weight3,337 lb3,832 lb495 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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