Short answer: the BMW X3 (2017) is bigger — it is 5.6 cm2 in56 mm longer, 0.7 cm0.3 in7 mm wider and 3.7 cm1 in37 mm lower than the BMW X3 (2010).

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BMW X3 vs BMW X3

BMW X3 (2017) Third generation · 2017 · SUVBMW X3 (2010) Second generation · 2010 · SUValigned at front bumper + ground · same scale
BMW X3 (2017) · 470.8 cm15 ft 5 in4,708 mmBMW X3 (2010) · 465.2 cm15 ft 3 in4,652 mm BMW X3 (2017) · 167.6 cm5 ft 6 in1,676 mmBMW X3 (2010) · 171.3 cm5 ft 7 in1,713 mm
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BMW X3 Third generation2017–2024 · SUV
Length470.8 cm15 ft 5 in4,708 mm5.6 cm2 in56 mm longer
Width189.1 cm6 ft 2 in1,891 mm0.7 cm0.3 in7 mm wider
Width incl. mirrors—no data
Height167.6 cm5 ft 6 in1,676 mm3.7 cm1 in37 mm lower
Wheelbase286.4 cm9 ft 5 in2,864 mm5.4 cm2 in54 mm longer wheelbase
Ground clearance—no data
Boot (seats up)—no data
Boot (seats folded)—no data
Weight—no data
BMW X3 Second generation2010–2017 · SUV
Length465.2 cm15 ft 3 in4,652 mm5.6 cm2 in56 mm shorter
Width188.4 cm6 ft 2 in1,884 mm0.7 cm0.3 in7 mm narrower
Width incl. mirrors—no data
Height171.3 cm5 ft 7 in1,713 mm3.7 cm1 in37 mm taller
Wheelbase281 cm9 ft 3 in2,810 mm5.4 cm2 in54 mm shorter wheelbase
Ground clearance—no data
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 (2017) vs BMW X3 (2010): the differences

Will they fit? UK parking bay and garage

CarParking bay 4.8 × 2.4 mSingle garage, 7 ft door
BMW X3 (2017)Fits, but tightDoesn't fitcheck my garage
BMW X3 (2010)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 (2017) · BMW X3 (2010). Dimensions may vary by trim, market and model year.

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