Size comparison · drawn to scale
Hummer H3 GMT345 vs Tesla Model Y I: size comparison
- Length About the same length
- Width H3 GMT345 252 mm10 in wider
- Height H3 GMT345 271 mm11 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 9 mm0.4 in shorter, 252 mm10 in wider and 271 mm11 in taller than the Model Y I. Its wheelbase is 48 mm2 in shorter.
| Dimension | H3 GMT345 | Model Y I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,742 mm15 ft 7 in15 ft 7 in4,742 mm | 4,751 mm15 ft 7 in15 ft 7 in4,751 mm | −9 mm−0.4 in −0.2% |
| Width | 2,172 mm7 ft 2 in7 ft 2 in2,172 mm | 1,920 mm6 ft 4 in6 ft 4 in1,920 mm | +252 mm+10 in +13.1% |
| Height | 1,895 mm6 ft 3 in6 ft 3 in1,895 mm | 1,624 mm5 ft 4 in5 ft 4 in1,624 mm | +271 mm+11 in +16.7% |
| Wheelbase | 2,842 mm9 ft 4 in9 ft 4 in2,842 mm | 2,890 mm9 ft 6 in9 ft 6 in2,890 mm | −48 mm−2 in −1.7% |
| Footprint | 10.30 m²110.9 sq ft110.9 sq ft10.30 m² | 9.12 m²98.2 sq ft98.2 sq ft9.12 m² | +1.18 m²+12.7 sq ft +12.9% |
| Kerb weight | 2,130 kg4,696 lb4,696 lb2,130 kg | Not in our catalog yet | - |
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.
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
Model Y I
- Single garage
- Tight 749 mm2 ft 5 in to spare in length, 540 mm1 ft 9 in each side
- Parking bay
- Tight 249 mm10 in to spare in length, 290 mm11 in each side
Frequently asked questions
Which is bigger, the Hummer H3 GMT345 or the Tesla Model Y I?
The Hummer H3 GMT345 is the bigger car by footprint (length × width). The H3 GMT345 is 9 mm shorter, 252 mm wider and 271 mm taller than the Model Y I. Its wheelbase is 48 mm shorter.
Will the Hummer H3 GMT345 and the Tesla Model Y I 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 Tesla Model Y I fits, but it is tight to get out (749 mm to spare in length, 540 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.