Size comparison · drawn to scale
BMW X3 G45 vs Mercedes-Benz GLC X254: size comparison
- Length X3 G45 39 mm2 in longer
- Width X3 G45 30 mm1 in wider
- Height X3 G45 20 mm0.8 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 1:22 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 X3 G45 is 39 mm2 in longer, 30 mm1 in wider and 20 mm0.8 in taller than the GLC X254. Its wheelbase is 23 mm0.9 in shorter.
| Dimension | X3 G45 | GLC X254 | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,755 mm15 ft 7 in15 ft 7 in4,755 mm | 4,716 mm15 ft 6 in15 ft 6 in4,716 mm | +39 mm+2 in +0.8% |
| Width | 1,920 mm6 ft 4 in6 ft 4 in1,920 mm | 1,890 mm6 ft 2 in6 ft 2 in1,890 mm | +30 mm+1 in +1.6% |
| Height | 1,660 mm5 ft 5 in5 ft 5 in1,660 mm | 1,640 mm5 ft 5 in5 ft 5 in1,640 mm | +20 mm+0.8 in +1.2% |
| Wheelbase | 2,865 mm9 ft 5 in9 ft 5 in2,865 mm | 2,888 mm9 ft 6 in9 ft 6 in2,888 mm | −23 mm−0.9 in −0.8% |
| Footprint | 9.13 m²98.3 sq ft98.3 sq ft9.13 m² | 8.91 m²95.9 sq ft95.9 sq ft8.91 m² | +0.22 m²+2.3 sq ft +2.4% |
| Boot | Not in our catalog yet | 600 L21.2 cu ft21.2 cu ft600 L | — |
| Kerb weight | 2,055 kg4,530 lb4,530 lb2,055 kg | 1,925–2,420 kg4,244–5,335 lb4,244–5,335 lb1,925–2,420 kg | +130 kg+287 lb +6.8% |
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.
X3 G45
- Single garage
- Tight 745 mm2 ft 5 in to spare in length, 540 mm1 ft 9 in each side
- Parking bay
- Tight 245 mm10 in to spare in length, 290 mm11 in each side
GLC X254
- Single garage
- Tight 784 mm2 ft 7 in to spare in length, 555 mm1 ft 10 in each side
- Parking bay
- Tight 284 mm11 in to spare in length, 305 mm1 ft 0 in each side
Frequently asked questions
Which is bigger, the BMW X3 G45 or the Mercedes-Benz GLC X254?
The BMW X3 G45 is the bigger car by footprint (length × width). The X3 G45 is 39 mm longer, 30 mm wider and 20 mm taller than the GLC X254. Its wheelbase is 23 mm shorter.
Will the BMW X3 G45 and the Mercedes-Benz GLC X254 fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The BMW X3 G45 fits, but it is tight to get out (745 mm to spare in length, 540 mm each side). The Mercedes-Benz GLC X254 fits, but it is tight to get out (784 mm to spare in length, 555 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.

