Spec Sizes

Nissan Altima vs Buick Regal Dimensions & Size Comparison

Comparing 2020 vs 2017 catalog dimensions. Nissan Altima · Buick Regal

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

Side view
  • Length192.9 in
  • Height56.7 in – 57.4 in
  • Wheelbase111.2 in
  • Ground clearance4.9 in – 5.4 in
  • Curb weight3,212 lb – 3,462 lb
Front / width
  • Width72.9 in
  • Buick Regal width73.1 in

Which is bigger?

  • Length: Buick Regal is 2.7 in shorter (192.9 in vs 190.2 in)
  • Width: Nissan Altima is 0.2 in narrower (72.9 in vs 73.1 in)
  • Height: Buick Regal is 1.2 in taller (57.0 in vs 58.2 in)
  • Wheelbase: Nissan Altima has a 3.4 in longer wheelbase (111.2 in vs 107.8 in)
  • Ground clearance: Buick Regal has 0.3 in more ground clearance (5.2 in vs 5.5 in)
  • Curb weight: Buick Regal is 454 lb heavier (3,337 lb vs 3,791 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 454 lb heavier (3,337 lb vs 3,791 lb)
  2. Ground clearance: Buick Regal has 0.3 in more ground clearance (5.2 in vs 5.5 in)
  3. Wheelbase: Nissan Altima has a 3.4 in longer wheelbase (111.2 in vs 107.8 in)
  4. Height: Buick Regal is 1.2 in taller (57.0 in vs 58.2 in)
  5. Length: Buick Regal is 2.7 in shorter (192.9 in vs 190.2 in)

Practical verdicts

  • Easier to fit in a short garageBuick Regal — Buick Regal is shorter by 2.7 in Check garage fit for Nissan Altima · garage fit for Buick Regal
  • Narrower for tight parkingNissan Altima — Nissan Altima is narrower by 0.2 in
  • More ground clearanceBuick Regal — Buick Regal has 0.3 in more clearance
  • Smaller exterior footprintBuick Regal — Based on length × width (Buick Regal)

Dimension comparison

SpecNissan AltimaBuick RegalDifference
Length192.9 in190.2 in2.7 in
Width72.9 in73.1 in0.2 in
Height57.0 in58.2 in1.2 in
Wheelbase111.2 in107.8 in3.4 in
Ground clearance5.2 in5.5 in0.3 in
Curb weight3,337 lb3,791 lb454 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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