Spec Sizes

BMW i8 vs Cadillac XLR Dimensions & Size Comparison

Comparing 2020 vs 2009 catalog dimensions. BMW i8 · Cadillac XLR

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

Side view
  • Length184.9 in
  • Height50.7 in – 50.8 in
  • Wheelbase110.2 in
  • Curb weight3,501 lb – 3,671 lb
Front / width
  • Width76.5 in
  • Cadillac XLR width72.3 in

Which is bigger?

  • Length: Cadillac XLR is 7.2 in shorter (184.9 in vs 177.7 in)
  • Width: Cadillac XLR is 4.2 in narrower (76.5 in vs 72.3 in)
  • Height: BMW i8 is 0.4 in taller (50.8 in vs 50.4 in)
  • Wheelbase: BMW i8 has a 4.5 in longer wheelbase (110.2 in vs 105.7 in)
  • Curb weight: Cadillac XLR is 61 lb heavier (3,586 lb vs 3,647 lb)

Biggest size differences

  1. Width: Cadillac XLR is 4.2 in narrower (76.5 in vs 72.3 in)
  2. Wheelbase: BMW i8 has a 4.5 in longer wheelbase (110.2 in vs 105.7 in)
  3. Length: Cadillac XLR is 7.2 in shorter (184.9 in vs 177.7 in)
  4. Curb weight: Cadillac XLR is 61 lb heavier (3,586 lb vs 3,647 lb)
  5. Height: BMW i8 is 0.4 in taller (50.8 in vs 50.4 in)

Practical verdicts

  • Easier to fit in a short garageCadillac XLR — Cadillac XLR is shorter by 7.2 in Check garage fit for BMW i8 · garage fit for Cadillac XLR
  • Narrower for tight parkingCadillac XLR — Cadillac XLR is narrower by 4.2 in
  • Smaller exterior footprintCadillac XLR — Based on length × width (Cadillac XLR)

Dimension comparison

SpecBMW i8Cadillac XLRDifference
Length184.9 in177.7 in7.2 in
Width76.5 in72.3 in4.2 in
Height50.8 in50.4 in0.4 in
Wheelbase110.2 in105.7 in4.5 in
Curb weight3,586 lb3,647 lb61 lb

Values use trim midpoints when a model year lists a range.

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