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Alfa Romeo 166 (936) vs BMW 3 Series G20: size comparison

  • Length 166 (936) 11 mm0.4 in longer
  • Width 3 Series G20 12 mm0.5 in wider
  • Height 3 Series G20 26 mm1 in taller

Car 1 blue, solid outline

166 (936) Alfa Romeo · 1998–2007 · Sedan 166 (936) 4,720 × 1,815 × 1,416 mm15 ft 6 in × 5 ft 11 in × 4 ft 8 in Change

Car 2 coral, dashed outline

3 Series G20 BMW · 2018–present · Sedan 3 Series G20 4,709 × 1,827 × 1,442 mm15 ft 5 in × 6 ft 0 in × 4 ft 9 in Change
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  • Car 1, blue, solid outline: 166 (936)
  • Car 2, coral, dashed outline: 3 Series G20
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 2,700 mmWheelbase 8 ft 10 inLength 4,720 mmLength 15 ft 6 in1,416 mm4 ft 8 inWheelbase 2,851 mmWheelbase 9 ft 4 inLength 4,709 mmLength 15 ft 5 in1,442 mm4 ft 9 in

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

Dimensions and difference

The 166 (936) is 11 mm0.4 in longer, 12 mm0.5 in narrower and 26 mm1 in lower than the 3 Series G20. Its wheelbase is 151 mm6 in shorter.

Dimension166 (936)3 Series G20Difference, car 1 vs car 2
Length4,720 mm15 ft 6 in15 ft 6 in4,720 mm4,709 mm15 ft 5 in15 ft 5 in4,709 mm +11 mm+0.4 in +0.2%
Width1,815 mm5 ft 11 in5 ft 11 in1,815 mm1,827 mm6 ft 0 in6 ft 0 in1,827 mm −12 mm−0.5 in −0.7%
Height1,416 mm4 ft 8 in4 ft 8 in1,416 mm1,442 mm4 ft 9 in4 ft 9 in1,442 mm −26 mm−1 in −1.8%
Wheelbase2,700 mm8 ft 10 in8 ft 10 in2,700 mm2,851 mm9 ft 4 in9 ft 4 in2,851 mm −151 mm−6 in −5.3%
Footprint8.57 m²92.2 sq ft92.2 sq ft8.57 m²8.60 m²92.6 sq ft92.6 sq ft8.60 m² −0.04 m²−0.4 sq ft −0.4%
BootNot in our catalog yet480 L17.0 cu ft17.0 cu ft480 L -
Kerb weightNot in our catalog yet1,525–1,800 kg3,362–3,968 lb3,362–3,968 lb1,525–1,800 kg -

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.

166 (936)

Single garage
Tight 780 mm2 ft 7 in to spare in length, 593 mm1 ft 11 in each side
Parking bay
Tight 280 mm11 in to spare in length, 343 mm1 ft 1 in each side

3 Series G20

Single garage
Tight 791 mm2 ft 7 in to spare in length, 587 mm1 ft 11 in each side
Parking bay
Tight 291 mm11 in to spare in length, 337 mm1 ft 1 in each side

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Frequently asked questions

Which is bigger, the Alfa Romeo 166 (936) or the BMW 3 Series G20?

The BMW 3 Series G20 is the bigger car by footprint (length × width). The 166 (936) is 11 mm longer, 12 mm narrower and 26 mm lower than the 3 Series G20. Its wheelbase is 151 mm shorter.

Will the Alfa Romeo 166 (936) and the BMW 3 Series G20 fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Alfa Romeo 166 (936) fits, but it is tight to get out (780 mm to spare in length, 593 mm each side). The BMW 3 Series G20 fits, but it is tight to get out (791 mm to spare in length, 587 mm each side). Widths are without mirrors; check your own garage with our garage checker.

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