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Size comparison · drawn to scale

Audi Q4 e-tron I vs Cadillac XT4: size comparison

  • Length XT4 12 mm0.5 in longer
  • Width XT4 15 mm0.6 in wider
  • Height About the same height
  • Boot XT4 117 L4.1 cu ft more

Car 1 blue, solid outline

Q4 e-tron I Audi · 2021–present · SUV Q4 e-tron I 4,588 × 1,865 × 1,632 mm15 ft 1 in × 6 ft 1 in × 5 ft 4 in Change

Car 2 coral, dashed outline

XT4 Cadillac · 2018 · SUV XT4 4,600 × 1,880 × 1,630 mm15 ft 1 in × 6 ft 2 in × 5 ft 4 in Change
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  • Car 1, blue, solid outline: Q4 e-tron I
  • Car 2, coral, dashed outline: XT4
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 ft5 ftWheelbase 2,764 mmWheelbase 9 ft 1 inLength 4,588 mmLength 15 ft 1 in1,632 mm5 ft 4 inWheelbase 2,780 mmWheelbase 9 ft 1 inLength 4,600 mmLength 15 ft 1 in1,630 mm5 ft 4 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 Q4 e-tron I is 12 mm0.5 in shorter, 15 mm0.6 in narrower and 2 mm0.1 in taller than the XT4. Its wheelbase is 16 mm0.6 in shorter.

DimensionQ4 e-tron IXT4Difference, car 1 vs car 2
Length4,588 mm15 ft 1 in15 ft 1 in4,588 mm4,600 mm15 ft 1 in15 ft 1 in4,600 mm −12 mm−0.5 in −0.3%
Width1,865 mm6 ft 1 in6 ft 1 in1,865 mm1,880 mm6 ft 2 in6 ft 2 in1,880 mm −15 mm−0.6 in −0.8%
Height1,632 mm5 ft 4 in5 ft 4 in1,632 mm1,630 mm5 ft 4 in5 ft 4 in1,630 mm +2 mm+0.1 in +0.1%
Wheelbase2,764 mm9 ft 1 in9 ft 1 in2,764 mm2,780 mm9 ft 1 in9 ft 1 in2,780 mm −16 mm−0.6 in −0.6%
Footprint8.56 m²92.1 sq ft92.1 sq ft8.56 m²8.65 m²93.1 sq ft93.1 sq ft8.65 m² −0.09 m²−1.0 sq ft −1.1%
Boot520 L18.4 cu ft18.4 cu ft520 L637 L22.5 cu ft22.5 cu ft637 L −117 L−4.1 cu ft −18.4%
Kerb weight1,890–2,210 kg4,167–4,872 lb4,167–4,872 lb1,890–2,210 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.

Q4 e-tron I

Single garage
Tight 912 mm3 ft 0 in to spare in length, 568 mm1 ft 10 in each side
Parking bay
Tight 412 mm1 ft 4 in to spare in length, 318 mm1 ft 1 in each side

XT4

Single garage
Tight 900 mm2 ft 11 in to spare in length, 560 mm1 ft 10 in each side
Parking bay
Tight 400 mm1 ft 4 in to spare in length, 310 mm1 ft 0 in each side

Check your own garage with these cars

Frequently asked questions

Which is bigger, the Audi Q4 e-tron I or the Cadillac XT4?

The Cadillac XT4 is the bigger car by footprint (length × width). The Q4 e-tron I is 12 mm shorter, 15 mm narrower and 2 mm taller than the XT4. Its wheelbase is 16 mm shorter.

Will the Audi Q4 e-tron I and the Cadillac XT4 fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Audi Q4 e-tron I fits, but it is tight to get out (912 mm to spare in length, 568 mm each side). The Cadillac XT4 fits, but it is tight to get out (900 mm to spare in length, 560 mm each side). Widths are without mirrors; check your own garage with our garage checker.

Which has the bigger boot?

The Cadillac XT4: 637 L against 520 L in the Audi Q4 e-tron I (seats up, as quoted by the maker).