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Size comparison · drawn to scale

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

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

Car 2 coral, dashed 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
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  • Car 1, blue, solid outline: A4 B8
  • Car 2, coral, dashed outline: CLA-Class C118
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 2,808 mmWheelbase 9 ft 3 inLength 4,703 mmLength 15 ft 5 in1,427 mm4 ft 8 inWheelbase 2,729 mmWheelbase 8 ft 11 inLength 4,688 mmLength 15 ft 5 in1,439 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 A4 B8 is 15 mm0.6 in longer, 4 mm0.2 in narrower and 12 mm0.5 in lower than the CLA-Class C118. Its wheelbase is 79 mm3 in longer.

DimensionA4 B8CLA-Class C118Difference, car 1 vs car 2
Length4,703 mm15 ft 5 in15 ft 5 in4,703 mm4,688 mm15 ft 5 in15 ft 5 in4,688 mm +15 mm+0.6 in +0.3%
Width1,826 mm6 ft 0 in6 ft 0 in1,826 mm1,830 mm6 ft 0 in6 ft 0 in1,830 mm −4 mm−0.2 in −0.2%
Height1,427 mm4 ft 8 in4 ft 8 in1,427 mm1,439 mm4 ft 9 in4 ft 9 in1,439 mm −12 mm−0.5 in −0.8%
Wheelbase2,808 mm9 ft 3 in9 ft 3 in2,808 mm2,729 mm8 ft 11 in8 ft 11 in2,729 mm +79 mm+3 in +2.9%
Footprint8.59 m²92.4 sq ft92.4 sq ft8.59 m²8.58 m²92.3 sq ft92.3 sq ft8.58 m² +0.01 m²+0.1 sq ft +0.1%
Boot480 L17.0 cu ft17.0 cu ft480 L460 L16.2 cu ft16.2 cu ft460 L +20 L+0.7 cu ft +4.3%
Kerb weight1,485–1,715 kg3,274–3,781 lb3,274–3,781 lb1,485–1,715 kg1,395–1,560 kg3,075–3,439 lb3,075–3,439 lb1,395–1,560 kg +90 kg+198 lb +6.5%

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.

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

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

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Frequently asked questions

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

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

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

In a typical single garage of 5.5 × 3.0 m inside: The Audi A4 B8 fits, but it is tight to get out (797 mm to spare in length, 587 mm each side). The Mercedes-Benz CLA-Class C118 fits, but it is tight to get out (812 mm to spare in length, 585 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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