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Size comparison · drawn to scale

Mercedes-Benz CLA-Class C118 vs Audi A4 B8: size comparison

  • Length A4 B8 15 mm0.6 in longer
  • Width About the same width
  • Height CLA-Class C118 12 mm0.5 in taller
  • Boot A4 B8 20 L0.7 cu ft more

Car 1 blue, solid outline

CLA-Class C118 Mercedes-Benz · 2019–2025 · Sedan CLA-Class C118 4,688 × 1,830 × 1,439 mm15 ft 5 in × 6 ft 0 in × 4 ft 9 in Change

Car 2 coral, dashed outline

A4 B8 Audi · 2007–2015 · Sedan A4 B8 4,703 × 1,826 × 1,427 mm15 ft 5 in × 6 ft 0 in × 4 ft 8 in Change
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  • Car 1, blue, solid outline: CLA-Class C118
  • Car 2, coral, dashed outline: A4 B8
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 2,729 mmWheelbase 8 ft 11 inLength 4,688 mmLength 15 ft 5 in1,439 mm4 ft 9 inWheelbase 2,808 mmWheelbase 9 ft 3 inLength 4,703 mmLength 15 ft 5 in1,427 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 CLA-Class C118 is 15 mm0.6 in shorter, 4 mm0.2 in wider and 12 mm0.5 in taller than the A4 B8. Its wheelbase is 79 mm3 in shorter.

DimensionCLA-Class C118A4 B8Difference, car 1 vs car 2
Length4,688 mm15 ft 5 in15 ft 5 in4,688 mm4,703 mm15 ft 5 in15 ft 5 in4,703 mm −15 mm−0.6 in −0.3%
Width1,830 mm6 ft 0 in6 ft 0 in1,830 mm1,826 mm6 ft 0 in6 ft 0 in1,826 mm +4 mm+0.2 in +0.2%
Height1,439 mm4 ft 9 in4 ft 9 in1,439 mm1,427 mm4 ft 8 in4 ft 8 in1,427 mm +12 mm+0.5 in +0.8%
Wheelbase2,729 mm8 ft 11 in8 ft 11 in2,729 mm2,808 mm9 ft 3 in9 ft 3 in2,808 mm −79 mm−3 in −2.8%
Footprint8.58 m²92.3 sq ft92.3 sq ft8.58 m²8.59 m²92.4 sq ft92.4 sq ft8.59 m² −0.01 m²−0.1 sq ft −0.1%
Boot460 L16.2 cu ft16.2 cu ft460 L480 L17.0 cu ft17.0 cu ft480 L −20 L−0.7 cu ft −4.2%
Kerb weight1,395–1,560 kg3,075–3,439 lb3,075–3,439 lb1,395–1,560 kg1,485–1,715 kg3,274–3,781 lb3,274–3,781 lb1,485–1,715 kg −90 kg−198 lb −6.1%

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.

CLA-Class C118

Single garage
Tight 812 mm2 ft 8 in to spare in length, 585 mm1 ft 11 in each side
Parking bay
Tight 312 mm1 ft 0 in to spare in length, 335 mm1 ft 1 in each side

A4 B8

Single garage
Tight 797 mm2 ft 7 in to spare in length, 587 mm1 ft 11 in each side
Parking bay
Tight 297 mm1 ft 0 in to spare in length, 337 mm1 ft 1 in each side

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Frequently asked questions

Which is bigger, the Mercedes-Benz CLA-Class C118 or the Audi A4 B8?

The Audi A4 B8 is the bigger car by footprint (length × width). The CLA-Class C118 is 15 mm shorter, 4 mm wider and 12 mm taller than the A4 B8. Its wheelbase is 79 mm shorter.

Will the Mercedes-Benz CLA-Class C118 and the Audi A4 B8 fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Mercedes-Benz CLA-Class C118 fits, but it is tight to get out (812 mm to spare in length, 585 mm each side). The Audi A4 B8 fits, but it is tight to get out (797 mm to spare in length, 587 mm each side). Widths are without mirrors; check your own garage with our garage checker.

Which has the bigger boot?

The Audi A4 B8: 480 L against 460 L in the Mercedes-Benz CLA-Class C118 (seats up, as quoted by the maker).

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