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Size comparison · drawn to scale

BMW i4 G26 vs BMW M3 (G80/G81): size comparison

  • Length About the same length
  • Width M3 (G80/G81) 51 mm2 in wider
  • Height i4 G26 15 mm0.6 in taller
  • Boot M3 (G80/G81) 10 L0.4 cu ft more

Car 1 blue, solid outline

i4 G26 BMW · 2021–present · Sedan i4 G26 4,785 × 1,852 × 1,448 mm15 ft 8 in × 6 ft 1 in × 4 ft 9 in Change

Car 2 coral, dashed outline

M3 (G80/G81) BMW · 2020–present · Sedan M3 (G80/G81) 4,794 × 1,903 × 1,433 mm15 ft 9 in × 6 ft 3 in × 4 ft 8 in Change
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  • Car 1, blue, solid outline: i4 G26
  • Car 2, coral, dashed outline: M3 (G80/G81)
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 ftWheelbase 2,856 mmWheelbase 9 ft 4 inLength 4,785 mmLength 15 ft 8 in1,448 mm4 ft 9 inWheelbase 2,857 mmWheelbase 9 ft 4 inLength 4,794 mmLength 15 ft 9 in1,433 mm4 ft 8 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 i4 G26 is 9 mm0.4 in shorter, 51 mm2 in narrower and 15 mm0.6 in taller than the M3 (G80/G81). Its wheelbase is 1 mm0.0 in shorter.

Dimensioni4 G26M3 (G80/G81)Difference, car 1 vs car 2
Length4,785 mm15 ft 8 in15 ft 8 in4,785 mm4,794 mm15 ft 9 in15 ft 9 in4,794 mm −9 mm−0.4 in −0.2%
Width1,852 mm6 ft 1 in6 ft 1 in1,852 mm1,903 mm6 ft 3 in6 ft 3 in1,903 mm −51 mm−2 in −2.7%
Height1,448 mm4 ft 9 in4 ft 9 in1,448 mm1,433 mm4 ft 8 in4 ft 8 in1,433 mm +15 mm+0.6 in +1.0%
Wheelbase2,856 mm9 ft 4 in9 ft 4 in2,856 mm2,857 mm9 ft 4 in9 ft 4 in2,857 mm −1 mm−0.0 in
Footprint8.86 m²95.4 sq ft95.4 sq ft8.86 m²9.12 m²98.2 sq ft98.2 sq ft9.12 m² −0.26 m²−2.8 sq ft −2.9%
Boot470 L16.6 cu ft16.6 cu ft470 L480 L17.0 cu ft17.0 cu ft480 L −10 L−0.4 cu ft −2.1%
Kerb weight2,070–2,290 kg4,564–5,049 lb4,564–5,049 lb2,070–2,290 kg1,705–1,865 kg3,759–4,112 lb3,759–4,112 lb1,705–1,865 kg +365 kg+805 lb +21.4%

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.

i4 G26

Single garage
Tight 715 mm2 ft 4 in to spare in length, 574 mm1 ft 11 in each side
Parking bay
Tight 215 mm8 in to spare in length, 324 mm1 ft 1 in each side

M3 (G80/G81)

Single garage
Tight 706 mm2 ft 4 in to spare in length, 549 mm1 ft 10 in each side
Parking bay
Tight 206 mm8 in to spare in length, 299 mm1 ft 0 in each side

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Frequently asked questions

Which is bigger, the BMW i4 G26 or the BMW M3 (G80/G81)?

The BMW M3 (G80/G81) is the bigger car by footprint (length × width). The i4 G26 is 9 mm shorter, 51 mm narrower and 15 mm taller than the M3 (G80/G81). Its wheelbase is 1 mm shorter.

Will the BMW i4 G26 and the BMW M3 (G80/G81) fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The BMW i4 G26 fits, but it is tight to get out (715 mm to spare in length, 574 mm each side). The BMW M3 (G80/G81) fits, but it is tight to get out (706 mm to spare in length, 549 mm each side). Widths are without mirrors; check your own garage with our garage checker.

Which has the bigger boot?

The BMW M3 (G80/G81): 480 L against 470 L in the BMW i4 G26 (seats up, as quoted by the maker).

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