Kia Niro vs Mazda CX-30 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Kia Niro · Mazda CX-30

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

Side view
  • Length171.5 in
  • Height60.4 in
  • Wheelbase106.3 in
  • Ground clearance6.3 in
  • Curb weight3,100 lb – 3,227 lb
Front / width
  • Width71.1 in
  • Mazda CX-30 width70.7 in

Which is bigger?

  • Length: Kia Niro is 1.5 in shorter (171.5 in vs 173.0 in)
  • Width: Mazda CX-30 is 0.4 in narrower (71.1 in vs 70.7 in)
  • Height: Mazda CX-30 is 1.3 in taller (60.4 in vs 61.7 in)
  • Wheelbase: Kia Niro has a 1.9 in longer wheelbase (106.3 in vs 104.4 in)
  • Ground clearance: Mazda CX-30 has 1.7 in more ground clearance (6.3 in vs 8.0 in)
  • Curb weight: Mazda CX-30 is 206 lb heavier (3,164 lb vs 3,370 lb)

Biggest size differences

  1. Ground clearance: Mazda CX-30 has 1.7 in more ground clearance (6.3 in vs 8.0 in)
  2. Curb weight: Mazda CX-30 is 206 lb heavier (3,164 lb vs 3,370 lb)
  3. Height: Mazda CX-30 is 1.3 in taller (60.4 in vs 61.7 in)
  4. Wheelbase: Kia Niro has a 1.9 in longer wheelbase (106.3 in vs 104.4 in)
  5. Length: Kia Niro is 1.5 in shorter (171.5 in vs 173.0 in)

Practical verdicts

  • Easier to fit in a short garageKia NiroKia Niro is shorter by 1.5 in Check garage fit for Kia Niro · garage fit for Mazda CX-30
  • Narrower for tight parkingMazda CX-30Mazda CX-30 is narrower by 0.4 in
  • More ground clearanceMazda CX-30Mazda CX-30 has 1.7 in more clearance

Dimension comparison

SpecKia NiroMazda CX-30Difference
Length171.5 in173.0 in1.5 in
Width71.1 in70.7 in0.4 in
Height60.4 in61.7 in1.3 in
Wheelbase106.3 in104.4 in1.9 in
Ground clearance6.3 in8.0 in1.7 in
Curb weight3,164 lb3,370 lb206 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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