Spec Sizes

Infiniti Q50 vs Nissan Altima Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Infiniti Q50 · Nissan Altima

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

Side view
  • Length189.6 in
  • Height56.8 in – 57.2 in
  • Wheelbase112.2 in
  • Ground clearance4.8 in – 5.2 in
  • Curb weight3,671 lb – 3,993 lb
Front / width
  • Width71.8 in
  • Nissan Altima width72.0 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageInfiniti Q50 — Infiniti Q50 is shorter by 2.3 in Check garage fit for Infiniti Q50 · garage fit for Nissan Altima
  • 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

SpecInfiniti Q50Nissan AltimaDifference
Length189.6 in191.9 in2.3 in
Width71.8 in72.0 in0.2 in
Height57.0 in57.9 in0.9 in
Wheelbase112.2 in109.3 in2.9 in
Ground clearance5.0 in5.4 in0.4 in
Curb weight3,832 lb3,337 lb495 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.