Short answer: the Tesla Model Y (2025) is bigger — it is 3.5 cm longer and 3.6 cm lower than the BMW X3 (2024).

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BMW X3 vs Tesla Model Y

BMW X3 BMW X3 (G45/G48) · 2024 · SUVTesla Model Y Juniper · 2025 · SUValigned at front bumper + ground · same scale
BMW X3 · 475.5 cmTesla Model Y · 479 cm BMW X3 · 166 cmTesla Model Y · 162.4 cm
BMW X3 BMW X3 (G45/G48)2024–present · SUV
Length475.5 cm15 ft 7 in4,755 mm3.5 cm shorter
Width192 cm6 ft 4 in1,920 mmSame
Width incl. mirrors—no data
Height166 cm5 ft 5 in1,660 mm3.6 cm taller
Wheelbase286.5 cm9 ft 5 in2,865 mm2.5 cm shorter wheelbase
Ground clearance21.6 cm0 ft 9 in216 mm4.9 cm more ground clearance
Boot (seats up)570 L 
Boot (seats folded)1,700 L 
Weight1,930 kg EU, incl. driver 
Tesla Model Y Juniper2025–present · SUV
Length479 cm15 ft 9 in4,790 mm3.5 cm longer
Width192 cm6 ft 4 in1,920 mmSame
Width incl. mirrors212.9 cm7 ft 0 in2,129 mm 
Height162.4 cm5 ft 4 in1,624 mm3.6 cm lower
Wheelbase289 cm9 ft 6 in2,890 mm2.5 cm longer wheelbase
Ground clearance16.7 cm0 ft 7 in167 mm4.9 cm less ground clearance
Boot (seats up)—no data
Boot (seats folded)—no data
Weight—no data

Dimensions may vary by trim, market and model year. For guidance only — check with the manufacturer before you buy. Sources are listed on each car's page.

BMW X3 (2024) vs Tesla Model Y (2025): the differences

Will they fit? UK parking bay and garage

CarParking bay 4.8 × 2.4 mSingle garage, 7 ft door
BMW X3 (2024)Fits, but tightDoesn't fitcheck my garage
Tesla Model Y (2025)Fits, but tightDoesn't fitcheck my garage

Assumes a UK standard parking bay of 4.8 × 2.4 m and a typical UK single garage of 4.8 × 2.4 m inside (2.1 m high) with a 7 ft × 6 ft 6 in (213 × 198 cm) up-and-over door. Where we have no width-with-mirrors figure we add 20 cm to the body width. “Comfortably” leaves about 60 cm to walk round and open a door; “tight” means it goes in but getting out is awkward. Garages and bays vary a lot — measure yours and use the garage fit checker. For guidance only.

See the full specifications and sources: BMW X3 (2024) · Tesla Model Y (2025). Dimensions may vary by trim, market and model year.

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