BMW X3 2017–2021 car dimensions: 4708 mm long, 1891 mm wide and 1676 mm high. Unladen weight is 1,790 kg. Braked towing is 2,000 kg.
The cabin has a high-resolution 6.5-inch colour display with iDrive controller as standard, plus a sport leather steering wheel and Bluetooth hands-free. Automatic climate control is standard (1-zone base, 3-zone on Advantage and higher lines). Cruise control with braking function is standard. Front and rear parking sensors are standard. Apple CarPlay is optional via packages. Automatic emergency braking with city function and pedestrian warning is standard. Blind-spot warning, lane departure warning and active lane keep come in the optional Driving Assistant packages. A reversing camera is part of the optional Parking Assistant.
Boot space is 550 litres with the rear seats up and expands to 1600 litres when the 40/20/40 split seats are folded flat. The load floor is practical with a low sill and automatic tailgate as standard.
Braked towing capacity is 2000 kg and unbraked is 750 kg. Payload is 660 kg. The car suits everyday family and light towing use with its standard xDrive and automatic transmission.
The cabin feels roomy and well-built with supportive sport seats that offer good lateral hold and multiple adjustment options on higher grades. Three-zone climate control keeps front and rear comfortable. Ambient lighting and quality materials create a calm space, while optional panoramic glass and acoustic glazing make it brighter and quieter on long drives.
Combined fuel use around 7.1-7.3 l/100 km for the xDrive20i petrol.
Euro NCAP 5-star rating from 2017 tests.
Standard safety includes front/side/head airbags, DSC with ABS and belt tensioners.
Condition Based Service system sets maintenance needs.
The xDrive20i petrol returns combined consumption in the low-to-mid 7 l/100 km range depending on wheels and equipment. Real-world figures sit close to the published numbers on mixed routes.
Servicing follows BMW’s Condition Based Service, which monitors oil and components rather than fixed long intervals alone. Regular checks keep the B48 engine and xDrive system reliable.
Crash protection earned a full five stars in Euro NCAP with strong adult occupant scores. Standard kit covers multiple airbags, stability control and basic assistance systems that help avoid low-speed impacts.
Ownership centres on keeping service history complete and watching known wear items such as the oil filter housing. The car stays practical day-to-day with its 550-litre boot and solid build.
Length 4708 mm, Width 1891 mm, Height 1676 mm, Wheelbase 2864 mm (X3 2017–2021)
Sources: manufacturer data, BMW Media Information, Specifications BMW X3 xDrive20i, 09/2018, RON 91, inline-4 TwinPower Turbo, 1998 cm³, No electric range or traction-battery capacity is published.