BMW 3 Series 2020– car dimensions: 4794 mm long, 1903 mm wide and 1433 mm high. Unladen weight is 1,780 kg. Boot space with the seats up is 480 litres.
The cabin has a fully digital Live Cockpit Professional setup with a touchscreen control display as standard. Wireless Apple CarPlay and Android Auto come included via smartphone integration. Three-zone automatic climate control is standard. Driver aids fitted as standard include front and rear Park Distance Control sensors, cruise control with brake function, front collision warning with brake intervention, and lane departure warning with steering assistance for lane return. Blind spot warning forms part of the optional Driving Assistant. A reversing camera comes with the optional Parking Assistant package.
Boot capacity is 480 litres with the rear seats in place. The rear backrests split 40:20:40 for carrying longer items.
Official specs list no trailer load figures for braked or unbraked towing, so a tow hitch is not offered. Payload is listed at 505 kg on the base model. The cooling system uses extra radiators and pumps designed for track temperatures. Adaptive M suspension with M-specific kinematics is standard.
The cabin feels firmly sporty with multi-way power M Sport seats that include adjustable bolsters and lumbar support for strong lateral hold. Front seat heating is standard while ventilation is optional. Ambient lighting and 3-zone climate control add everyday ease. An optional glass roof opens the space and acoustic glass is available to cut noise.
Fuel tank holds 59 litres.
Combined WLTP fuel use 10.0-10.6 l/100 km depending on variant and tyres.
Condition Based Service monitors oil and other needs. typical oil service around 30 000 km or 24 months.
Euro NCAP 5 stars for the 3 Series platform (97% adult occupant).
Standard kit includes front/side/head airbags, DSC with MDM, Active Protection and Driving Assistant.
Fuel use sits in the low-to-mid 10 l/100 km range on the WLTP cycle for the 3.0-litre turbo six, with a 59-litre tank giving practical range for mixed driving. Real-world figures climb with hard use but stay manageable for a high-performance sedan.
Servicing follows BMW Condition Based Service. Sensors set the intervals rather than fixed schedules, so oil changes and checks typically fall near 30 000 km or two years under normal European conditions. Final-drive and other fluids follow longer cycles.
The car inherits the 3 Series G20 five-star Euro NCAP result, with strong adult and child scores plus solid pedestrian protection. Standard safety covers multiple airbags, stability control with M Dynamic Mode, tyre-pressure monitoring and Active Protection that pre-tensions belts and closes windows if a crash is imminent.
Daily ownership is straightforward: keyless entry, power tailgate option and connected services keep upkeep simple. Carbon-ceramic brakes and track packs are available if you push the car harder, but the base compound brakes and adaptive dampers already handle road and occasional circuit use well.
Length 4794 mm, Width 1903 mm, Height 1433 mm, Wheelbase 2857 mm (3 Series 2020-present)
Sources: manufacturer data, BMW Media Information, Specifications, BMW M3 Sedan , 03/2021, valid from 03/2021, ACEA markets, weight homologation applies in part only to Germany.