Spec Sizes

Cadillac XLR vs Audi R8 Dimensions & Size Comparison

Comparing 2009 vs 2023 catalog dimensions. Cadillac XLR · Audi R8

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

Side view
  • Length177.7 in
  • Height50.4 in
  • Wheelbase105.7 in
  • Curb weight3,647 lb
Front / width
  • Width72.3 in
  • Audi R8 width76.4 in

Which is bigger?

  • Length: Audi R8 is 3.3 in shorter (177.7 in vs 174.4 in)
  • Width: Cadillac XLR is 4.1 in narrower (72.3 in vs 76.4 in)
  • Height: Cadillac XLR is 1.6 in taller (50.4 in vs 48.8 in)
  • Wheelbase: Cadillac XLR has a 1.4 in longer wheelbase (105.7 in vs 104.3 in)
  • Curb weight: Audi R8 is 107 lb heavier (3,647 lb vs 3,754 lb)

Biggest size differences

  1. Width: Cadillac XLR is 4.1 in narrower (72.3 in vs 76.4 in)
  2. Height: Cadillac XLR is 1.6 in taller (50.4 in vs 48.8 in)
  3. Curb weight: Audi R8 is 107 lb heavier (3,647 lb vs 3,754 lb)
  4. Length: Audi R8 is 3.3 in shorter (177.7 in vs 174.4 in)
  5. Wheelbase: Cadillac XLR has a 1.4 in longer wheelbase (105.7 in vs 104.3 in)

Practical verdicts

  • Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 3.3 in Check garage fit for Cadillac XLR · garage fit for Audi R8
  • Narrower for tight parkingCadillac XLR — Cadillac XLR is narrower by 4.1 in
  • Smaller exterior footprintCadillac XLR — Based on length × width (Cadillac XLR)

Dimension comparison

SpecCadillac XLRAudi R8Difference
Length177.7 in174.4 in3.3 in
Width72.3 in76.4 in4.1 in
Height50.4 in48.8 in1.6 in
Wheelbase105.7 in104.3 in1.4 in
Curb weight3,647 lb3,754 lb107 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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