Spec Sizes

Audi A4 vs Buick Regal Dimensions & Size Comparison

Comparing 1999 catalog dimensions. Audi A4 · Buick Regal

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

Side view
  • Length176.7 in – 178.0 in
  • Height55.8 in – 56.7 in
  • Wheelbase102.6 in – 103.0 in
  • Curb weight2,987 lb – 3,494 lb
Front / width
  • Width68.2 in
  • Buick Regal width72.7 in

Which is bigger?

  • Length: Audi A4 is 18.8 in shorter (177.3 in vs 196.2 in)
  • Width: Audi A4 is 4.5 in narrower (68.2 in vs 72.7 in)
  • Height: Buick Regal is 0.4 in taller (56.3 in vs 56.6 in)
  • Wheelbase: Buick Regal has a 6.2 in longer wheelbase (102.8 in vs 109.0 in)
  • Curb weight: Buick Regal is 251 lb heavier (3,241 lb vs 3,491 lb)

Biggest size differences

  1. Length: Audi A4 is 18.8 in shorter (177.3 in vs 196.2 in)
  2. Curb weight: Buick Regal is 251 lb heavier (3,241 lb vs 3,491 lb)
  3. Width: Audi A4 is 4.5 in narrower (68.2 in vs 72.7 in)
  4. Wheelbase: Buick Regal has a 6.2 in longer wheelbase (102.8 in vs 109.0 in)
  5. Height: Buick Regal is 0.4 in taller (56.3 in vs 56.6 in)

Practical verdicts

  • Easier to fit in a short garageAudi A4 — Audi A4 is shorter by 18.8 in Check garage fit for Audi A4 · garage fit for Buick Regal
  • Narrower for tight parkingAudi A4 — Audi A4 is narrower by 4.5 in
  • Smaller exterior footprintAudi A4 — Based on length × width (Audi A4)

Dimension comparison

SpecAudi A4Buick RegalDifference
Length177.3 in196.2 in18.8 in
Width68.2 in72.7 in4.5 in
Height56.3 in56.6 in0.4 in
Wheelbase102.8 in109.0 in6.2 in
Curb weight3,241 lb3,491 lb251 lb

Values use trim midpoints when a model year lists a range (e.g. length 176.7 in – 178.0 in).

Compare by year

Overlapping model years with dimension data.

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