Size comparison · drawn to scale
Hummer H3 GMT345 vs Jeep Wrangler IV JL: 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
Car 2 coral, dashed outline

Change cars
Zoom in to read the measurements - or see the table below.
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 Front view: width without mirrors Top view: footprint on the road
Dimensions and difference
The H3 GMT345 is 43 mm2 in shorter, 295 mm1 ft 0 in wider and 94 mm4 in taller than the Wrangler IV JL. Its wheelbase is 165 mm6 in shorter.
| Dimension | H3 GMT345 | Wrangler IV JL | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,742 mm15 ft 7 in15 ft 7 in4,742 mm | 4,785 mm15 ft 8 in15 ft 8 in4,785 mm | −43 mm−2 in −0.9% |
| Width | 2,172 mm7 ft 2 in7 ft 2 in2,172 mm | 1,877 mm6 ft 2 in6 ft 2 in1,877 mm | +295 mm+1 ft 0 in +15.7% |
| Height | 1,895 mm6 ft 3 in6 ft 3 in1,895 mm | 1,801 mm5 ft 11 in5 ft 11 in1,801 mm | +94 mm+4 in +5.2% |
| Wheelbase | 2,842 mm9 ft 4 in9 ft 4 in2,842 mm | 3,007 mm9 ft 10 in9 ft 10 in3,007 mm | −165 mm−6 in −5.5% |
| Footprint | 10.30 m²110.9 sq ft110.9 sq ft10.30 m² | 8.98 m²96.7 sq ft96.7 sq ft8.98 m² | +1.32 m²+14.2 sq ft +14.7% |
| Kerb weight | 2,130 kg4,696 lb4,696 lb2,130 kg | 2,121–2,505 kg4,676–5,523 lb4,676–5,523 lb2,121–2,505 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.
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
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
Frequently asked questions
Which is bigger, the Hummer H3 GMT345 or the Jeep Wrangler IV JL?
The Hummer H3 GMT345 is the bigger car by footprint (length × width). The H3 GMT345 is 43 mm shorter, 295 mm wider and 94 mm taller than the Wrangler IV JL. Its wheelbase is 165 mm shorter.
Will the Hummer H3 GMT345 and the Jeep Wrangler IV JL 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 Jeep Wrangler IV JL fits, but it is tight to get out (715 mm to spare in length, 562 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Drawn to one scale
Both cars use the same millimetre grid, so a longer bonnet or a taller roof shows exactly as it is.
Wheels at the real wheelbase
Dashed lines mark the axles. In Overlay both cars start at the front bumper; car 2 has a dashed outline.
Will it fit my garage?
Switch to Top view, or to feet and inches if your garage plan is in feet. Allow about 600 mm (2 ft) for opening the doors.
