Spec Sizes

Audi R8 vs Cadillac XLR Dimensions & Size Comparison

Comparing 2017 vs 2009 catalog dimensions. Audi R8 · Cadillac XLR

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

Side view
  • Length174.3 in
  • Height48.8 in
  • Wheelbase104.4 in
  • Ground clearance6.0 in – 6.3 in
  • Curb weight3,572 lb – 3,649 lb
Front / width
  • Width76.4 in
  • Cadillac XLR width72.3 in

Which is bigger?

  • Length: Audi R8 is 3.4 in shorter (174.3 in vs 177.7 in)
  • Width: Cadillac XLR is 4.1 in narrower (76.4 in vs 72.3 in)
  • Height: Cadillac XLR is 1.6 in taller (48.8 in vs 50.4 in)
  • Wheelbase: Cadillac XLR has a 1.3 in longer wheelbase (104.4 in vs 105.7 in)
  • Curb weight: Cadillac XLR is 37 lb heavier (3,611 lb vs 3,647 lb)

Biggest size differences

  1. Width: Cadillac XLR is 4.1 in narrower (76.4 in vs 72.3 in)
  2. Height: Cadillac XLR is 1.6 in taller (48.8 in vs 50.4 in)
  3. Length: Audi R8 is 3.4 in shorter (174.3 in vs 177.7 in)
  4. Wheelbase: Cadillac XLR has a 1.3 in longer wheelbase (104.4 in vs 105.7 in)
  5. Curb weight: Cadillac XLR is 37 lb heavier (3,611 lb vs 3,647 lb)

Practical verdicts

  • Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 3.4 in Check garage fit for Audi R8 · garage fit for Cadillac XLR
  • 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

SpecAudi R8Cadillac XLRDifference
Length174.3 in177.7 in3.4 in
Width76.4 in72.3 in4.1 in
Height48.8 in50.4 in1.6 in
Wheelbase104.4 in105.7 in1.3 in
Ground clearance6.2 in——
Curb weight3,611 lb3,647 lb37 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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