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Size comparison · drawn to scale

Hummer H3 GMT345 vs Mazda CX-60 KH: size comparison

  • Length About the same length
  • Width H3 GMT345 282 mm11 in wider
  • Height H3 GMT345 213 mm8 in taller

Car 1 blue, solid outline

H3 GMT345 Hummer · 2005–2010 · SUV H3 GMT345 4,742 × 2,172 × 1,895 mm15 ft 7 in × 7 ft 2 in × 6 ft 3 in Change

Car 2 coral, dashed outline

CX-60 KH Mazda · 2022–present · SUV CX-60 KH 4,745 × 1,890 × 1,682 mm15 ft 7 in × 6 ft 2 in × 5 ft 6 in Change
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  • Car 1, blue, solid outline: H3 GMT345
  • Car 2, coral, dashed outline: CX-60 KH
0 m1 m2 m3 m4 m5 m6 m7 m1 m0 ft1 ft2 ft3 ft4 ft5 ft6 ft7 ft8 ft9 ft10 ft11 ft12 ft13 ft14 ft15 ft16 ft17 ft18 ft19 ft20 ft21 ft22 ft23 ft1 ft2 ft3 ft4 ft5 ft6 ftWheelbase 2,842 mmWheelbase 9 ft 4 inLength 4,742 mmLength 15 ft 7 in1,895 mm6 ft 3 inWheelbase 2,870 mmWheelbase 9 ft 5 inLength 4,745 mmLength 15 ft 7 in1,682 mm5 ft 6 in

Scale about 1:25 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles

Dimensions and difference

The H3 GMT345 is 3 mm0.1 in shorter, 282 mm11 in wider and 213 mm8 in taller than the CX-60 KH. Its wheelbase is 28 mm1 in shorter.

DimensionH3 GMT345CX-60 KHDifference, car 1 vs car 2
Length4,742 mm15 ft 7 in15 ft 7 in4,742 mm4,745 mm15 ft 7 in15 ft 7 in4,745 mm −3 mm−0.1 in −0.1%
Width2,172 mm7 ft 2 in7 ft 2 in2,172 mm1,890 mm6 ft 2 in6 ft 2 in1,890 mm +282 mm+11 in +14.9%
Height1,895 mm6 ft 3 in6 ft 3 in1,895 mm1,682 mm5 ft 6 in5 ft 6 in1,682 mm +213 mm+8 in +12.7%
Wheelbase2,842 mm9 ft 4 in9 ft 4 in2,842 mm2,870 mm9 ft 5 in9 ft 5 in2,870 mm −28 mm−1 in −1.0%
Footprint10.30 m²110.9 sq ft110.9 sq ft10.30 m²8.97 m²96.5 sq ft96.5 sq ft8.97 m² +1.33 m²+14.3 sq ft +14.8%
BootNot in our catalog yet570 L20.1 cu ft20.1 cu ft570 L -
Kerb weight2,130 kg4,696 lb4,696 lb2,130 kg1,890–2,055 kg4,167–4,530 lb4,167–4,530 lb1,890–2,055 kg +240 kg+529 lb +12.7%

Width without mirrors. Figures come from the catalog version pages; the drawing uses the same numbers. Body outlines are generic for the body type - proportions are exact, styling is not. Weight difference compares the lightest versions.

Garage and parking

A typical single garage is about 5.5 × 3.0 m18 ft 1 in × 9 ft 10 in inside; a parking bay about 5.0 × 2.5 m16 ft 5 in × 8 ft 2 in. Room to open a door: about 600 mm2 ft each side.

H3 GMT345

Single garage
Tight 758 mm2 ft 6 in to spare in length, 414 mm1 ft 4 in each side
Parking bay
Tight 258 mm10 in to spare in length, 164 mm6 in each side

CX-60 KH

Single garage
Tight 755 mm2 ft 6 in to spare in length, 555 mm1 ft 10 in each side
Parking bay
Tight 255 mm10 in to spare in length, 305 mm1 ft 0 in each side

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Frequently asked questions

Which is bigger, the Hummer H3 GMT345 or the Mazda CX-60 KH?

The Hummer H3 GMT345 is the bigger car by footprint (length × width). The H3 GMT345 is 3 mm shorter, 282 mm wider and 213 mm taller than the CX-60 KH. Its wheelbase is 28 mm shorter.

Will the Hummer H3 GMT345 and the Mazda CX-60 KH fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Hummer H3 GMT345 fits, but it is tight to get out (758 mm to spare in length, 414 mm each side). The Mazda CX-60 KH fits, but it is tight to get out (755 mm to spare in length, 555 mm each side). Widths are without mirrors; check your own garage with our garage checker.

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