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Jeep Wrangler IV JL vs Hummer H3 GMT345: size comparison

  • Length Wrangler IV JL 43 mm2 in longer
  • Width H3 GMT345 295 mm1 ft 0 in wider
  • Height H3 GMT345 94 mm4 in taller

Car 1 blue, solid outline

Wrangler IV JL Jeep · 2018–present · SUV Wrangler IV JL 4,785 × 1,877 × 1,801 mm15 ft 8 in × 6 ft 2 in × 5 ft 11 in Change

Car 2 coral, dashed 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
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  • Car 1, blue, solid outline: Wrangler IV JL
  • Car 2, coral, dashed outline: H3 GMT345
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 3,007 mmWheelbase 9 ft 10 inLength 4,785 mmLength 15 ft 8 in1,801 mm5 ft 11 inWheelbase 2,842 mmWheelbase 9 ft 4 inLength 4,742 mmLength 15 ft 7 in1,895 mm6 ft 3 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 Wrangler IV JL is 43 mm2 in longer, 295 mm1 ft 0 in narrower and 94 mm4 in lower than the H3 GMT345. Its wheelbase is 165 mm6 in longer.

DimensionWrangler IV JLH3 GMT345Difference, car 1 vs car 2
Length4,785 mm15 ft 8 in15 ft 8 in4,785 mm4,742 mm15 ft 7 in15 ft 7 in4,742 mm +43 mm+2 in +0.9%
Width1,877 mm6 ft 2 in6 ft 2 in1,877 mm2,172 mm7 ft 2 in7 ft 2 in2,172 mm −295 mm−1 ft 0 in −13.6%
Height1,801 mm5 ft 11 in5 ft 11 in1,801 mm1,895 mm6 ft 3 in6 ft 3 in1,895 mm −94 mm−4 in −5.0%
Wheelbase3,007 mm9 ft 10 in9 ft 10 in3,007 mm2,842 mm9 ft 4 in9 ft 4 in2,842 mm +165 mm+6 in +5.8%
Footprint8.98 m²96.7 sq ft96.7 sq ft8.98 m²10.30 m²110.9 sq ft110.9 sq ft10.30 m² −1.32 m²−14.2 sq ft −12.8%
Kerb weight2,121–2,505 kg4,676–5,523 lb4,676–5,523 lb2,121–2,505 kg2,130 kg4,696 lb4,696 lb2,130 kg −9 kg−20 lb −0.4%

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.

Wrangler IV JL

Single garage
Tight 715 mm2 ft 4 in to spare in length, 562 mm1 ft 10 in each side
Parking bay
Tight 215 mm8 in to spare in length, 312 mm1 ft 0 in 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

Check your own garage with these cars

Frequently asked questions

Which is bigger, the Jeep Wrangler IV JL or the Hummer H3 GMT345?

The Hummer H3 GMT345 is the bigger car by footprint (length × width). The Wrangler IV JL is 43 mm longer, 295 mm narrower and 94 mm lower than the H3 GMT345. Its wheelbase is 165 mm longer.

Will the Jeep Wrangler IV JL and the Hummer H3 GMT345 fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Jeep Wrangler IV JL fits, but it is tight to get out (715 mm to spare in length, 562 mm each side). The Hummer H3 GMT345 fits, but it is tight to get out (758 mm to spare in length, 414 mm each side). Widths are without mirrors; check your own garage with our garage checker.

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