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

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

Car 2 coral, dashed 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
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  • Car 1, blue, solid outline: 3 Series G20
  • Car 2, coral, dashed outline: 166 (936)
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 2,851 mmWheelbase 9 ft 4 inLength 4,709 mmLength 15 ft 5 in1,442 mm4 ft 9 inWheelbase 2,700 mmWheelbase 8 ft 10 inLength 4,720 mmLength 15 ft 6 in1,416 mm4 ft 8 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 3 Series G20 is 11 mm0.4 in shorter, 12 mm0.5 in wider and 26 mm1 in taller than the 166 (936). Its wheelbase is 151 mm6 in longer.

Dimension3 Series G20166 (936)Difference, car 1 vs car 2
Length4,709 mm15 ft 5 in15 ft 5 in4,709 mm4,720 mm15 ft 6 in15 ft 6 in4,720 mm −11 mm−0.4 in −0.2%
Width1,827 mm6 ft 0 in6 ft 0 in1,827 mm1,815 mm5 ft 11 in5 ft 11 in1,815 mm +12 mm+0.5 in +0.7%
Height1,442 mm4 ft 9 in4 ft 9 in1,442 mm1,416 mm4 ft 8 in4 ft 8 in1,416 mm +26 mm+1 in +1.8%
Wheelbase2,851 mm9 ft 4 in9 ft 4 in2,851 mm2,700 mm8 ft 10 in8 ft 10 in2,700 mm +151 mm+6 in +5.6%
Footprint8.60 m²92.6 sq ft92.6 sq ft8.60 m²8.57 m²92.2 sq ft92.2 sq ft8.57 m² +0.04 m²+0.4 sq ft +0.4%
Boot480 L17.0 cu ft17.0 cu ft480 LNot in our catalog yet -
Kerb weight1,525–1,800 kg3,362–3,968 lb3,362–3,968 lb1,525–1,800 kgNot in our catalog yet -

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.

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

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

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Frequently asked questions

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

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

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

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

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