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Size comparison · drawn to scale

Mercedes-Benz GLC X254 vs BMW X3 G45: 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

GLC X254 Mercedes-Benz · 2022–present · SUV GLC X254 4,716 × 1,890 × 1,640 mm15 ft 6 in × 6 ft 2 in × 5 ft 5 in Change

Car 2 coral, dashed outline

X3 G45 BMW · 2024–present · SUV X3 G45 4,755 × 1,920 × 1,660 mm15 ft 7 in × 6 ft 4 in × 5 ft 5 in Change
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  • Car 1, blue, solid outline: GLC X254
  • Car 2, coral, dashed outline: X3 G45
0 m1 m2 m3 m4 m5 m6 m1 m0 ft1 ft2 ft3 ft4 ft5 ft6 ft7 ft8 ft9 ft10 ft11 ft12 ft13 ft14 ft15 ft16 ft17 ft18 ft19 ft20 ft1 ft2 ft3 ft4 ft5 ftWheelbase 2,888 mmWheelbase 9 ft 6 inLength 4,716 mmLength 15 ft 6 in1,640 mm5 ft 5 inWheelbase 2,865 mmWheelbase 9 ft 5 inLength 4,755 mmLength 15 ft 7 in1,660 mm5 ft 5 in

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

Dimensions and difference

The GLC X254 is 39 mm2 in shorter, 30 mm1 in narrower and 20 mm0.8 in lower than the X3 G45. Its wheelbase is 23 mm0.9 in longer.

DimensionGLC X254X3 G45Difference, car 1 vs car 2
Length4,716 mm15 ft 6 in15 ft 6 in4,716 mm4,755 mm15 ft 7 in15 ft 7 in4,755 mm −39 mm−2 in −0.8%
Width1,890 mm6 ft 2 in6 ft 2 in1,890 mm1,920 mm6 ft 4 in6 ft 4 in1,920 mm −30 mm−1 in −1.6%
Height1,640 mm5 ft 5 in5 ft 5 in1,640 mm1,660 mm5 ft 5 in5 ft 5 in1,660 mm −20 mm−0.8 in −1.2%
Wheelbase2,888 mm9 ft 6 in9 ft 6 in2,888 mm2,865 mm9 ft 5 in9 ft 5 in2,865 mm +23 mm+0.9 in +0.8%
Footprint8.91 m²95.9 sq ft95.9 sq ft8.91 m²9.13 m²98.3 sq ft98.3 sq ft9.13 m² −0.22 m²−2.3 sq ft −2.4%
Boot600 L21.2 cu ft21.2 cu ft600 LNot in our catalog yet -
Kerb weight1,925–2,420 kg4,244–5,335 lb4,244–5,335 lb1,925–2,420 kg2,055 kg4,530 lb4,530 lb2,055 kg −130 kg−287 lb −6.3%

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.

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

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

Check your own garage with these cars

Frequently asked questions

Which is bigger, the Mercedes-Benz GLC X254 or the BMW X3 G45?

The BMW X3 G45 is the bigger car by footprint (length × width). The GLC X254 is 39 mm shorter, 30 mm narrower and 20 mm lower than the X3 G45. Its wheelbase is 23 mm longer.

Will the Mercedes-Benz GLC X254 and the BMW X3 G45 fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Mercedes-Benz GLC X254 fits, but it is tight to get out (784 mm to spare in length, 555 mm each side). The BMW X3 G45 fits, but it is tight to get out (745 mm to spare in length, 540 mm each side). Widths are without mirrors; check your own garage with our garage checker.