What is the diameter of a 255/45R19 tire?

A 255/45R19 tire has an overall diameter of 28.04 inches (712.2mm).

How many revolutions per mile does a 255/45R19 tire make?

A 255/45R19 tire makes approximately 719 revolutions per mile.

What rim width is recommended for 255/45R19 tires?

The recommended wheel rim width for a 255/45R19 tire is 6.4" - 8.9".

255/45R19

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 255/45R19 tire size features an overall diameter of 28.04 inches, a section width of 10.0 inches (255mm), and rotates 719 times per mile. It is a standard factory tire fitment on 150+ vehicle models including Audi A8.

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Physical Dimensions & Specs

Overall Diameter

28.04"

712.2 mm

Section Width

255 mm

10.04" wide

Sidewall Height

4.52"

114.8 mm (45% aspect)

Revolutions / Mile

719

Circumference: 88.08"

Rim Diameter

19"

Wheel size

Recommended Rim Width

6.4" - 8.9"

Optimal rim width range

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 255/45R19 against any proposed tire size below:

Popular Comparisons:

Tire 1 (Stock / Base)255/45R19

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:28.0"

Sidewall:4.5"

Revs/Mile:719

Tire 2 (New / Compare)245/60R18

Section Width (mm)

Aspect Ratio (%)

Rim Diameter (in)

Wheel Width (in)

Offset ET (mm)

Overall Height:29.6"

Sidewall:5.8"

Revs/Mile:682

Visual Tire & Wheel Comparison

Speedometer Variance

+5.5%At 60 mph reading, actual speed is 63.3 mph

Indicated	Actual Speed	Diff
20 mph	21.1 mph	+1.1 mph
30 mph	31.6 mph	+1.6 mph
45 mph	47.5 mph	+2.5 mph
60 mph	63.3 mph	+3.3 mph
75 mph	79.1 mph	+4.1 mph
90 mph	94.9 mph	+4.9 mph

Fender & Suspension Clearance

Fitment Status: MODERATE RISK

Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.

Inner Strut Space:7.7mm LESS clearance

Outer Fender Push:Extends 17.7mm further out

Ride Height Delta:+0.77" ground clearance

Vehicles That Fit 255/45R19 (150+ Models)

Factory standard and optional vehicle fitments utilizing 255/45R19 tires:

Year	Make & Model	Trim / Variant	Lookup Specs
2011	Audi A8	L	View 2011 A8 ›
2011	Audi A8	Base	View 2011 A8 ›
2012	Audi A8	L, 4.2L Eng VIN V	View 2012 A8 ›
2012	Audi A8	Base	View 2012 A8 ›
2013	Audi A8	Base, 3.0L Eng VIN G	View 2013 A8 ›
2013	Audi A8	Base, 4.0L Eng VIN 2	View 2013 A8 ›
2013	Audi A8	L, 3.0L Eng VIN G	View 2013 A8 ›
2013	Audi A8	L, 4.0L Eng VIN 2	View 2013 A8 ›
2014	Audi A8 Quattro	Base, 3.0L Eng VIN G	View 2014 A8 Quattro ›
2014	Audi A8 Quattro	Base, 4.0L Eng VIN 2	View 2014 A8 Quattro ›
2014	Audi A8 Quattro	L TDI	View 2014 A8 Quattro ›
2014	Audi A8 Quattro	L, 3.0L Eng VIN G	View 2014 A8 Quattro ›
2014	Audi A8 Quattro	L, 4.0L Eng VIN 2	View 2014 A8 Quattro ›
2015	Audi A8 Quattro	Base, 3.0L Eng VIN G	View 2015 A8 Quattro ›
2015	Audi A8 Quattro	Base, 4.0L Eng VIN 2	View 2015 A8 Quattro ›
2015	Audi A8 Quattro	L TDI	View 2015 A8 Quattro ›
2015	Audi A8 Quattro	L, 3.0L Eng VIN G	View 2015 A8 Quattro ›
2015	Audi A8 Quattro	L, 4.0L Eng VIN 2	View 2015 A8 Quattro ›
2016	Audi A8 Quattro	L TDI	View 2016 A8 Quattro ›
2016	Audi A8 Quattro	L, 3.0L Eng VIN 4	View 2016 A8 Quattro ›
2016	Audi A8 Quattro	L, 4.0L Eng VIN 3	View 2016 A8 Quattro ›
2017	Audi A8 Quattro	L	View 2017 A8 Quattro ›
2018	Audi A8 Quattro	L	View 2018 A8 Quattro ›
2019	Audi A8 Quattro	3.0L Eng VIN D	View 2019 A8 Quattro ›
2020	Audi A8 Quattro	3.0L Eng VIN D	View 2020 A8 Quattro ›
2020	Audi A8 Quattro	4.0L Eng VIN E	View 2020 A8 Quattro ›
2020	Audi A8 e Quattro	A8 e Quattro	View 2020 A8 e Quattro ›
2021	Audi A8 Quattro	3.0L Eng VIN D	View 2021 A8 Quattro ›
2021	Audi A8 Quattro	4.0L Eng VIN E	View 2021 A8 Quattro ›
2021	Audi A8 e Quattro	A8 e Quattro	View 2021 A8 e Quattro ›
2022	Audi A8 Quattro	A8 Quattro	View 2022 A8 Quattro ›
2023	Audi A8 Quattro	A8 Quattro	View 2023 A8 Quattro ›
2024	Audi A8 Quattro	A8 Quattro	View 2024 A8 Quattro ›
2025	Audi Q3	Premium	View 2025 Q3 ›
2025	Audi Q3	Premium Plus	View 2025 Q3 ›
2013	Ford Taurus	Limited, 2.0L Eng VIN 9	View 2013 Taurus ›
2013	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD	View 2013 Taurus ›
2013	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD	View 2013 Taurus ›
2014	Ford Taurus	Limited, 2.0L Eng VIN 9	View 2014 Taurus ›
2014	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD	View 2014 Taurus ›
2014	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD	View 2014 Taurus ›
2014	Ford Taurus	SHO	View 2014 Taurus ›
2015	Ford Taurus	Limited, 2.0L Eng VIN 9	View 2015 Taurus ›
2015	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas	View 2015 Taurus ›
2015	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas/Ethanol	View 2015 Taurus ›
2015	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas	View 2015 Taurus ›
2015	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas/Ethanol	View 2015 Taurus ›
2015	Ford Taurus	SHO	View 2015 Taurus ›
2016	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas	View 2016 Taurus ›
2016	Ford Taurus	Limited, 2.0L Eng VIN 9	View 2016 Taurus ›
2016	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas/Ethanol	View 2016 Taurus ›
2016	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas	View 2016 Taurus ›
2016	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas/Ethanol	View 2016 Taurus ›
2017	Ford Taurus	Limited, 2.0L Eng VIN 9	View 2017 Taurus ›
2017	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas	View 2017 Taurus ›
2017	Ford Taurus	Limited, 3.5L Eng VIN 8, AWD, Gas/Ethanol	View 2017 Taurus ›
2017	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas	View 2017 Taurus ›
2017	Ford Taurus	Limited, 3.5L Eng VIN 8, FWD, Gas/Ethanol	View 2017 Taurus ›
2018	Ford Taurus	Limited, AWD, Gas	View 2018 Taurus ›
2018	Ford Taurus	Limited, AWD, Gas/Ethanol	View 2018 Taurus ›
2018	Ford Taurus	Limited, FWD, Gas	View 2018 Taurus ›
2018	Ford Taurus	Limited, FWD, Gas/Ethanol	View 2018 Taurus ›
2019	Ford Taurus	Limited, AWD, Gas	View 2019 Taurus ›
2019	Ford Taurus	Limited, AWD, Gas/Ethanol	View 2019 Taurus ›
2019	Ford Taurus	Limited, FWD, Gas	View 2019 Taurus ›
2019	Ford Taurus	Limited, FWD, Gas/Ethanol	View 2019 Taurus ›
2013	Lincoln MKS	Base, AWD	View 2013 MKS ›
2013	Lincoln MKS	Base, FWD	View 2013 MKS ›
2014	Lincoln MKS	Base, AWD	View 2014 MKS ›
2014	Lincoln MKS	Base, FWD	View 2014 MKS ›
2015	Lincoln MKS	Base, AWD	View 2015 MKS ›
2015	Lincoln MKS	Base, FWD	View 2015 MKS ›
2016	Lincoln MKS	Base, AWD	View 2016 MKS ›
2016	Lincoln MKS	Base, FWD	View 2016 MKS ›
2017	Lincoln Continental	Select, 3.7L Eng VIN K, FWD	View 2017 Continental ›
2017	Lincoln Continental	Select, 2.7L Eng VIN P, FWD	View 2017 Continental ›
2017	Lincoln Continental	Select, 3.7L Eng VIN K, AWD	View 2017 Continental ›
2017	Lincoln Continental	Reserve, 3.0L Eng VIN C	View 2017 Continental ›
2017	Lincoln Continental	Reserve, 2.7L Eng VIN P, AWD	View 2017 Continental ›
2017	Lincoln Continental	Reserve, 2.7L Eng VIN P, FWD	View 2017 Continental ›
2017	Lincoln Continental	Select, 2.7L Eng VIN P, AWD	View 2017 Continental ›
2018	Lincoln Continental	Select, 3.7L Eng VIN K, AWD	View 2018 Continental ›
2018	Lincoln Continental	Select, 2.7L Eng VIN P, AWD	View 2018 Continental ›
2018	Lincoln Continental	Reserve, 3.0L Eng VIN C	View 2018 Continental ›
2018	Lincoln Continental	Select, 2.7L Eng VIN P, FWD	View 2018 Continental ›
2018	Lincoln Continental	Select, 3.7L Eng VIN K, FWD	View 2018 Continental ›
2018	Lincoln Continental	Reserve, 2.7L Eng VIN P, AWD	View 2018 Continental ›
2018	Lincoln Continental	Reserve, 2.7L Eng VIN P, FWD	View 2018 Continental ›
2019	Lincoln Continental	Reserve, 2.7L Eng VIN P, AWD	View 2019 Continental ›
2019	Lincoln Continental	Reserve, 2.7L Eng VIN P, FWD	View 2019 Continental ›
2019	Lincoln Continental	Select, FWD	View 2019 Continental ›
2019	Lincoln Continental	Reserve, 3.0L Eng VIN C	View 2019 Continental ›
2019	Lincoln Continental	Select, AWD	View 2019 Continental ›
2020	Lincoln Continental	Reserve, 2.7L Eng VIN P, FWD	View 2020 Continental ›
2020	Lincoln Continental	Reserve, 3.0L Eng VIN C	View 2020 Continental ›
2020	Lincoln Continental	Reserve, 2.7L Eng VIN P, AWD	View 2020 Continental ›
2019	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2019 GT 53 AMG ›
2019	Mercedes-Benz GT 63 AMG	GT 63 AMG	View 2019 GT 63 AMG ›
2020	Mercedes-Benz GT 63 AMG	GT 63 AMG	View 2020 GT 63 AMG ›
2020	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2020 GT 53 AMG ›
2021	Mercedes-Benz GT 43 AMG	GT 43 AMG	View 2021 GT 43 AMG ›
2021	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2021 GT 53 AMG ›
2021	Mercedes-Benz GT 63 AMG	GT 63 AMG	View 2021 GT 63 AMG ›
2021	Mercedes-Benz S500	S500	View 2021 S500 ›
2021	Mercedes-Benz S580	S580	View 2021 S580 ›
2022	Mercedes-Benz GT 43 AMG	GT 43 AMG	View 2022 GT 43 AMG ›
2022	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2022 GT 53 AMG ›
2022	Mercedes-Benz S500	S500	View 2022 S500 ›
2022	Mercedes-Benz S580	S580	View 2022 S580 ›
2023	Mercedes-Benz GT 43 AMG	GT 43 AMG	View 2023 GT 43 AMG ›
2023	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2023 GT 53 AMG ›
2023	Mercedes-Benz GT 63 AMG	GT 63 AMG	View 2023 GT 63 AMG ›
2023	Mercedes-Benz S500	S500	View 2023 S500 ›
2023	Mercedes-Benz S580	S580	View 2023 S580 ›
2023	Mercedes-Benz S580e	S580e	View 2023 S580e ›
2023	Mercedes-Benz SL43 AMG	SL43 AMG	View 2023 SL43 AMG ›
2024	Mercedes-Benz GT 63 AMG	2D Coupe	View 2024 GT 63 AMG ›
2024	Mercedes-Benz GT 63 AMG	4D Coupe	View 2024 GT 63 AMG ›
2024	Mercedes-Benz EQE500	EQE500	View 2024 EQE500 ›
2024	Mercedes-Benz GT 43 AMG	GT 43 AMG	View 2024 GT 43 AMG ›
2024	Mercedes-Benz GT 53 AMG	GT 53 AMG	View 2024 GT 53 AMG ›
2024	Mercedes-Benz S500	S500	View 2024 S500 ›
2024	Mercedes-Benz S580	S580	View 2024 S580 ›
2024	Mercedes-Benz S580e	S580e	View 2024 S580e ›
2024	Mercedes-Benz SL43 AMG	SL43 AMG	View 2024 SL43 AMG ›
2025	Mercedes-Benz GT 43 AMG	Base	View 2025 GT 43 AMG ›
2025	Mercedes-Benz GT 63 AMG	2D Coupe	View 2025 GT 63 AMG ›
2025	Mercedes-Benz S500	S500	View 2025 S500 ›
2025	Mercedes-Benz S580	S580	View 2025 S580 ›
2025	Mercedes-Benz S580e	S580e	View 2025 S580e ›
2025	Mercedes-Benz SL43 AMG	SL43 AMG	View 2025 SL43 AMG ›
2010	Porsche Panamera	Turbo	View 2010 Panamera ›
2011	Porsche Panamera	Turbo	View 2011 Panamera ›
2012	Porsche Panamera	Turbo	View 2012 Panamera ›
2012	Porsche Panamera	Turbo S	View 2012 Panamera ›
2013	Porsche Panamera	GTS	View 2013 Panamera ›
2013	Porsche Panamera	Turbo	View 2013 Panamera ›
2013	Porsche Panamera	Turbo S	View 2013 Panamera ›
2014	Porsche Panamera	4S Executive	View 2014 Panamera ›
2014	Porsche Panamera	GTS	View 2014 Panamera ›
2014	Porsche Panamera	Turbo	View 2014 Panamera ›
2014	Porsche Panamera	Turbo Executive	View 2014 Panamera ›
2015	Porsche Panamera	Turbo Executive	View 2015 Panamera ›
2015	Porsche Panamera	Turbo	View 2015 Panamera ›
2015	Porsche Panamera	4S Executive	View 2015 Panamera ›
2015	Porsche Panamera	GTS	View 2015 Panamera ›
2016	Porsche Panamera	4 Edition	View 2016 Panamera ›
2016	Porsche Panamera	4S Executive	View 2016 Panamera ›
2016	Porsche Panamera	Edition	View 2016 Panamera ›
2016	Porsche Panamera	GTS	View 2016 Panamera ›