Sizes of Tires and Rims for the Buick Regal


Regal VI (2017-2021)

Tire size Tire pressure Rim size Wheel fastener Center bore
225/55 R17 2.2 bar 7.5Jx17 ET45 Nuts: 5 x 115 (PCD) 70.2 mm
235/45 R18 2.5 bar 7.5Jx18 ET41 Nuts: 5 x 115 (PCD) 70.2 mm
235/50 R18 2.3 bar 8Jx18 ET42 Nuts: 5 x 120 (PCD) 70.2 mm
245/45 ZR18 2.3 bar 8.5Jx18 ET49 Nuts: 5 x 115 (PCD) 70.2 mm
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 70.2 mm
245/35 ZR20 2.3 bar 8.5Jx20 ET49 Nuts: 5 x 115 (PCD) 70.2 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 70.2 mm
More sizes

Regal GS II (2017-2021)

Tire size Tire pressure Rim size Wheel fastener Center bore
245/40 ZR19 8.5Jx19 ET40 Nuts: 5 x 115 (PCD) 70.2 mm
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 70.2 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 70.2 mm

Regal TourX 2018-2021

Tire size Tire pressure Rim size Wheel fastener Center bore
235/50 R18 2.2 bar 8Jx18 ET40 Nuts: 5 x 115 (PCD) 70.2 mm

Regal V Facelift (2014-2017)

Tire size Tire pressure Rim size Wheel fastener Center bore
235/50 R18 2.3 bar 8Jx18 ET42 Nuts: 5 x 120 (PCD) 66.9 mm
235/50 R18 2.3 bar 8Jx18 ET42 Nuts: 5 x 120 (PCD) 70.3 mm
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 66.9 mm
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 70.3 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 66.9 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 70.3 mm
More sizes

Regal GS I Facelift (2014-2017)

Tire size Tire pressure Rim size Wheel fastener Center bore
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 66.9 mm
245/40 ZR19 2.4 bar 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 70.3 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 66.9 mm
255/35 ZR20 2.6 bar 8.5Jx20 ET41 Nuts: 5 x 120 (PCD) 70.3 mm

Regal V (2009-2013)

Tire size Tire pressure Rim size Wheel fastener Center bore
225/55 R17 7Jx17 ET42 Nuts: 5 x 115 (PCD) 70.3 mm
235/50 R18 8Jx18 ET42 Nuts: 5 x 120 (PCD) 66.9 mm
235/50 R18 8Jx18 ET42 Nuts: 5 x 120 (PCD) 70.3 mm
245/40 R19 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 66.9 mm
245/40 R19 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 70.3 mm
255/35 R20 8.5Jx20 ET47 Nuts: 5 x 120 (PCD) 66.9 mm
255/35 R20 8.5Jx20 ET47 Nuts: 5 x 120 (PCD) 70.3 mm
More sizes

Regal GS I (2012-2013)

Tire size Tire pressure Rim size Wheel fastener Center bore
245/40 R19 8.5Jx19 ET45 Nuts: 5 x 120 (PCD) 66.9 mm
255/35 R20 8.5Jx20 ET47 Nuts: 5 x 120 (PCD) 66.9 mm

Regal IV (1999-2008)

Tire size Tire pressure Rim size Wheel fastener Center bore
215/70 R15 6Jx15 ET44 Nuts: 5 x 115 (PCD) 70.3 mm
215/70 SR15 6Jx15 ET38 Nuts: 5 x 115 (PCD) 70.3 mm
225/60 HR16 6.5Jx16 ET42 Nuts: 5 x 115 (PCD) 70.3 mm
225/60 HR16 7Jx16 ET44 Nuts: 5 x 115 (PCD) 70.3 mm

Regal IV (1997-2004)

Tire size Tire pressure Rim size Wheel fastener Center bore
215/70 SR15 6Jx15 ET38 Nuts: 5 x 115 (PCD) 70.3 mm
225/60 HR16 6.5Jx16 ET42 Nuts: 5 x 115 (PCD) 70.3 mm
225/60 HR16 7Jx16 ET44 Nuts: 5 x 115 (PCD) 70.3 mm

Regal III (1987-1996)

Tire size Tire pressure Rim size Wheel fastener Center bore
205/70 SR14 5.5Jx14 ET38 Nuts: 5 x 115 (PCD) 70.3 mm
215/65 HR15 6Jx15 ET38 Nuts: 5 x 115 (PCD) 70.3 mm

Regal VI (2017-2021)

Tire size
225/55 R17
Tire pressure
2.2 bar
Rim size
7.5Jx17 ET45
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm
Tire size
235/45 R18
Tire pressure
2.5 bar
Rim size
7.5Jx18 ET41
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm
Tire size
235/50 R18
Tire pressure
2.3 bar
Rim size
8Jx18 ET42
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.2 mm
Tire size
245/45 ZR18
Tire pressure
2.3 bar
Rim size
8.5Jx18 ET49
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm
Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.2 mm
Tire size
245/35 ZR20
Tire pressure
2.3 bar
Rim size
8.5Jx20 ET49
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.2 mm
More sizes

Regal GS II (2017-2021)

Tire size
245/40 ZR19
Rim size
8.5Jx19 ET40
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm
Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.2 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.2 mm

Regal TourX 2018-2021

Tire size
235/50 R18
Tire pressure
2.2 bar
Rim size
8Jx18 ET40
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.2 mm

Regal V Facelift (2014-2017)

Tire size
235/50 R18
Tire pressure
2.3 bar
Rim size
8Jx18 ET42
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
235/50 R18
Tire pressure
2.3 bar
Rim size
8Jx18 ET42
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
More sizes

Regal GS I Facelift (2014-2017)

Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
245/40 ZR19
Tire pressure
2.4 bar
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
255/35 ZR20
Tire pressure
2.6 bar
Rim size
8.5Jx20 ET41
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
More sizes

Regal V (2009-2013)

Tire size
225/55 R17
Rim size
7Jx17 ET42
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
235/50 R18
Rim size
8Jx18 ET42
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
235/50 R18
Rim size
8Jx18 ET42
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
Tire size
245/40 R19
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
245/40 R19
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
Tire size
255/35 R20
Rim size
8.5Jx20 ET47
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
255/35 R20
Rim size
8.5Jx20 ET47
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
70.3 mm
More sizes

Regal GS I (2012-2013)

Tire size
245/40 R19
Rim size
8.5Jx19 ET45
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm
Tire size
255/35 R20
Rim size
8.5Jx20 ET47
Wheel fastener
Nuts: 5 x 120 (PCD)
Center bore
66.9 mm

Regal IV (1999-2008)

Tire size
215/70 R15
Rim size
6Jx15 ET44
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
215/70 SR15
Rim size
6Jx15 ET38
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
225/60 HR16
Rim size
6.5Jx16 ET42
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
225/60 HR16
Rim size
7Jx16 ET44
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
More sizes

Regal IV (1997-2004)

Tire size
215/70 SR15
Rim size
6Jx15 ET38
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
225/60 HR16
Rim size
6.5Jx16 ET42
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
225/60 HR16
Rim size
7Jx16 ET44
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm

Regal III (1987-1996)

Tire size
205/70 SR14
Rim size
5.5Jx14 ET38
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm
Tire size
215/65 HR15
Rim size
6Jx15 ET38
Wheel fastener
Nuts: 5 x 115 (PCD)
Center bore
70.3 mm