Size comparison · drawn to scale
Mazda CX-3 DK vs Smart #1 HX11: size comparison
- Length About the same length
- Width #1 HX11 57 mm2 in wider
- Height #1 HX11 101 mm4 in taller
- Boot CX-3 DK 27 L1.0 cu ft more
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 1:21 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 CX-3 DK is 5 mm0.2 in longer, 57 mm2 in narrower and 101 mm4 in lower than the #1 HX11. Its wheelbase is 180 mm7 in shorter.
| Dimension | CX-3 DK | #1 HX11 | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,275 mm14 ft 0 in14 ft 0 in4,275 mm | 4,270 mm14 ft 0 in14 ft 0 in4,270 mm | +5 mm+0.2 in +0.1% |
| Width | 1,765 mm5 ft 9 in5 ft 9 in1,765 mm | 1,822 mm6 ft 0 in6 ft 0 in1,822 mm | −57 mm−2 in −3.1% |
| Height | 1,535 mm5 ft 0 in5 ft 0 in1,535 mm | 1,636 mm5 ft 4 in5 ft 4 in1,636 mm | −101 mm−4 in −6.2% |
| Wheelbase | 2,570 mm8 ft 5 in8 ft 5 in2,570 mm | 2,750 mm9 ft 0 in9 ft 0 in2,750 mm | −180 mm−7 in −6.5% |
| Footprint | 7.55 m²81.2 sq ft81.2 sq ft7.55 m² | 7.78 m²83.7 sq ft83.7 sq ft7.78 m² | −0.23 m²−2.5 sq ft −3.0% |
| Boot | 350 L12.4 cu ft12.4 cu ft350 L | 323 L11.4 cu ft11.4 cu ft323 L | +27 L+1.0 cu ft +8.4% |
| Kerb weight | 1,254–1,331 kg2,765–2,934 lb2,765–2,934 lb1,254–1,331 kg | 1,780–1,900 kg3,924–4,189 lb3,924–4,189 lb1,780–1,900 kg | −526 kg−1,160 lb −29.6% |
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.
CX-3 DK
- Single garage
- Fits 1,225 mm4 ft 0 in to spare in length, 618 mm2 ft 0 in each side
- Parking bay
- Tight 725 mm2 ft 5 in to spare in length, 368 mm1 ft 2 in each side
#1 HX11
- Single garage
- Tight 1,230 mm4 ft 0 in to spare in length, 589 mm1 ft 11 in each side
- Parking bay
- Tight 730 mm2 ft 5 in to spare in length, 339 mm1 ft 1 in each side
Frequently asked questions
Which is bigger, the Mazda CX-3 DK or the Smart #1 HX11?
The Smart #1 HX11 is the bigger car by footprint (length × width). The CX-3 DK is 5 mm longer, 57 mm narrower and 101 mm lower than the #1 HX11. Its wheelbase is 180 mm shorter.
Will the Mazda CX-3 DK and the Smart #1 HX11 fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Mazda CX-3 DK fits with room to open the doors (1,225 mm to spare in length, 618 mm each side). The Smart #1 HX11 fits, but it is tight to get out (1,230 mm to spare in length, 589 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Mazda CX-3 DK: 350 L against 323 L in the Smart #1 HX11 (seats up, as quoted by the maker).
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.

