2021 Smart Forfour tire and wheel sizes, bolt pattern and tire pressure

Check the tables below for every tire size, wheel size, bolt pattern (PCD), rim offset and tire pressure fitted to the 2021 Smart Forfour.

2021 Smart Forfour tire sizes

185/50R16 185/45R17 205/45R16 205/40R17 165/65R15 185/60R15

Bolt pattern

4x100

2 generations were sold in 2021. Check your chassis code before ordering wheels.

Other years

2015 2016 2017 2018 2019 2020 2021 2022 All 2004–2022

Fitment tables

3 trims sold in 2021

Open a trim for its factory package and every alternative size, front and rear. More than one generation was on sale this year — check the chassis code against your VIN before ordering.

Smart Forfour II (W453) Facelift

2020 – 2023 1 trim

Forfour EV

80 hp 165/65 R15 81T / 185/60 R15 84T 3 fitments

GenerationII (W453) Facelift 2020–2023

MarketEurope

Power80 hp

EngineElectric

Center bore60.1 mm

PCD4x100

ThreadM12 x 1.5

Tire size	Rim size and bolt pattern	Pressure, psi	Prices
Front165/65 R15 81T	15x5 ET32 ~~4x100~~	29	Tires Rims
Rear185/60 R15 84T	15x5.5 ET42 ~~4x100~~	36	Tires Rims
Front185/50 R16 81T	16x6 ET44 ~~4x100~~	29	Tires Rims
Rear205/45 R16 83T	16x6.5 ET40 ~~4x100~~	36	Tires Rims
Front185/45 R17 78H	17x6 ET39 ~~4x100~~	29	Tires Rims
Rear205/40 R17 80H	17x7 ET43 ~~4x100~~	36	Tires Rims

Smart Forfour II (W453)

2014 – 2022 2 trims

Forfour 0.9 Turbo (ABA-453062)

107 hp · 0.9L M 281.910 I3 185/45 R17 78H / 205/40 R17 80H 2 fitments

GenerationII (W453) 2014–2022

MarketJapan

Power107 hp

Engine0.9L M 281.910 I3, Petrol

Center bore60.1 mm

PCD4x100

ThreadM12 x 1.5

Tire size	Rim size and bolt pattern	Pressure, psi	Prices
Front185/45 R17 78H	17x6 ET39 ~~4x100~~	29	Tires Rims
Rear205/40 R17 80H	17x7 ET43 ~~4x100~~	36	Tires Rims
Front185/50 R16 81T	16x6 ET44 ~~4x100~~	29	Tires Rims
Rear205/45 R16 83T	16x6.5 ET40 ~~4x100~~	36	Tires Rims

Forfour 0.9 Turbo (DBA-453044)

89 hp · 0.9L M 281.910 I3 185/45 R17 78H 2 fitments

GenerationII (W453) 2014–2022

MarketJapan

Power89 hp

Engine0.9L M 281.910 I3, Petrol

Center bore60.1 mm

PCD4x100

ThreadM12 x 1.5

Tire size	Rim size and bolt pattern	Pressure, psi	Prices
185/45 R17 78H	17x7 ET43 ~~4x100~~	2.5	Tires Rims
185/50 R16 81T	16x6.5 ET40 ~~4x100~~	2.5	Tires Rims

Reading the table

What these columns mean

OE fitment: The package fitted at the factory for that trim.
Alternative: A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
Rim size: Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD): Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore: Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure: Recommended cold inflation pressure for that axle, in psi.
Staggered: A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size: Lug bolt or nut thread — needed when buying aftermarket fasteners.