Spec Sizes

Dodge Viper vs Cadillac XLR Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Dodge Viper · Cadillac XLR

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

Side view
  • Length175.6 in
  • Height47.6 in
  • Wheelbase98.8 in
  • Curb weight3,440 lb – 3,450 lb
Front / width
  • Width75.2 in
  • Cadillac XLR width72.3 in

Which is bigger?

  • Length: Dodge Viper is 2.1 in shorter (175.6 in vs 177.7 in)
  • Width: Cadillac XLR is 2.9 in narrower (75.2 in vs 72.3 in)
  • Height: Cadillac XLR is 2.8 in taller (47.6 in vs 50.4 in)
  • Wheelbase: Cadillac XLR has a 6.9 in longer wheelbase (98.8 in vs 105.7 in)
  • Curb weight: Cadillac XLR is 202 lb heavier (3,445 lb vs 3,647 lb)

Biggest size differences

  1. Wheelbase: Cadillac XLR has a 6.9 in longer wheelbase (98.8 in vs 105.7 in)
  2. Height: Cadillac XLR is 2.8 in taller (47.6 in vs 50.4 in)
  3. Curb weight: Cadillac XLR is 202 lb heavier (3,445 lb vs 3,647 lb)
  4. Width: Cadillac XLR is 2.9 in narrower (75.2 in vs 72.3 in)
  5. Length: Dodge Viper is 2.1 in shorter (175.6 in vs 177.7 in)

Practical verdicts

  • Easier to fit in a short garageDodge Viper — Dodge Viper is shorter by 2.1 in Check garage fit for Dodge Viper · garage fit for Cadillac XLR
  • Narrower for tight parkingCadillac XLR — Cadillac XLR is narrower by 2.9 in
  • Smaller exterior footprintCadillac XLR — Based on length × width (Cadillac XLR)

Dimension comparison

SpecDodge ViperCadillac XLRDifference
Length175.6 in177.7 in2.1 in
Width75.2 in72.3 in2.9 in
Height47.6 in50.4 in2.8 in
Wheelbase98.8 in105.7 in6.9 in
Curb weight3,445 lb3,647 lb202 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.