Spec Sizes

Cadillac XLR vs BMW i8 Dimensions & Size Comparison

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

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
  • BMW i8 width76.5 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageCadillac XLR — Cadillac XLR is shorter by 7.2 in Check garage fit for Cadillac XLR · garage fit for BMW i8
  • 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

SpecCadillac XLRBMW i8Difference
Length177.7 in184.9 in7.2 in
Width72.3 in76.5 in4.2 in
Height50.4 in50.8 in0.4 in
Wheelbase105.7 in110.2 in4.5 in
Curb weight3,647 lb3,586 lb61 lb

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

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