Mazda CX-30 vs Kia Niro Dimensions & Size Comparison

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

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

Side view
  • Length173.0 in
  • Height61.7 in
  • Wheelbase104.4 in
  • Ground clearance8.0 in
  • Curb weight3,234 lb – 3,505 lb
Front / width
  • Width70.7 in
  • Kia Niro width71.1 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageKia NiroKia Niro is shorter by 1.5 in Check garage fit for Mazda CX-30 · garage fit for Kia Niro
  • 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

SpecMazda CX-30Kia NiroDifference
Length173.0 in171.5 in1.5 in
Width70.7 in71.1 in0.4 in
Height61.7 in60.4 in1.3 in
Wheelbase104.4 in106.3 in1.9 in
Ground clearance8.0 in6.3 in1.7 in
Curb weight3,370 lb3,164 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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