Home › Tire Sizes › 275/40R18

275/40R18

Standard Metric

Factory Specs, Physical Dimensions & Compatible Vehicle Applications

Factory Spec Overview

The 275/40R18 tire size features an overall diameter of 26.66 inches, a section width of 10.8 inches (275mm), and rotates 756 times per mile. It is a standard factory tire fitment on 150+ vehicle models including BMW Z8.

Shop 275/40R18 Tires on Tire Rack →Buy on Amazon →

Physical Dimensions & Specs

Overall Diameter

26.66"

677.2 mm

Section Width

275 mm

10.83" wide

Sidewall Height

4.33"

110.0 mm (40% aspect)

Revolutions / Mile

756

Circumference: 83.76"

Rim Diameter

18"

Wheel size

Recommended Rim Width

6.9" - 9.6"

Optimal rim width range

Where to Buy & Install 275/40R18 Tires

Looking for 275/40R18 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:

⭐ Recommended · Ship to Local Shop

Tire Rack

Free shipping directly to over 10,000+ certified local installers.

  • ✓Delivered to local installer (Firestone, Discount Tire & local shops)
  • ✓Mobile installation available — mount & balance right in your driveway
  • ✓Free 2-year road hazard warranty on most eligible tire models
🏎️Find 275/40R18 on Tire Rack (Local Install) →
Direct Home Delivery

Amazon Automotive

Fast doorstep shipping for DIYers or bringing to your own shop.

  • ✓Prime doorstep shipping for home garages or spares
  • ✓Huge range of budget and specialty tire sizes in stock
  • ✓Ideal if you have a local independent mechanic you prefer
🛒Shop 275/40R18 on Amazon →

As an affiliate for Tire Rack and Amazon, we earn from qualifying purchases at no extra cost to you.

Speedometer & Alternate Size Calculator

Testing an alternate size for your vehicle? Compare 275/40R18 against any proposed tire size below:

Popular Comparisons:
Tire 1 (Stock / Base)275/40R18
Overall Height:26.7"
Sidewall:4.3"
Revs/Mile:756
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682

Visual Tire & Wheel Comparison

Tire 126.7" HeightTire 229.6" Height

Speedometer Variance

+10.9%At 60 mph reading, actual speed is 66.6 mph
IndicatedActual SpeedDiff
20 mph22.2 mph+2.2 mph
30 mph33.3 mph+3.3 mph
45 mph49.9 mph+4.9 mph
60 mph66.6 mph+6.6 mph
75 mph83.2 mph+8.2 mph
90 mph99.8 mph+9.8 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:+1.46" ground clearance

Vehicles That Fit 275/40R18 (150+ Models)

Factory standard and optional vehicle fitments utilizing 275/40R18 tires:

YearMake & ModelTrim / VariantLookup Specs
2000BMW Z8Z8View 2000 Z8 ›
2001BMW Z8Z8View 2001 Z8 ›
2002BMW Z8Z8View 2002 Z8 ›
2003BMW Z8BaseView 2003 Z8 ›
2013BMW 528i528iView 2013 528i ›
2014BMW 528i528iView 2014 528i ›
2015BMW M3Automatic DCT TransView 2015 M3 ›
2015BMW M3Standard TransView 2015 M3 ›
2015BMW M42D ConvertibleView 2015 M4 ›
2015BMW M42D CoupeView 2015 M4 ›
2015BMW 528i528iView 2015 528i ›
2015BMW 528i xDrive528i xDriveView 2015 528i xDrive ›
2016BMW M3Automatic DCT TransView 2016 M3 ›
2016BMW M3Standard TransView 2016 M3 ›
2016BMW M4Base, 2D Convertible, Automatic DCT TransView 2016 M4 ›
2016BMW M4Base, 2D Convertible, Standard TransView 2016 M4 ›
2016BMW M4Base, 2D Coupe, Automatic DCT TransView 2016 M4 ›
2016BMW M4Base, 2D Coupe, Standard TransView 2016 M4 ›
2016BMW 528i528iView 2016 528i ›
2016BMW 528i xDrive528i xDriveView 2016 528i xDrive ›
2017BMW M3Automatic DCT TransView 2017 M3 ›
2017BMW M3Standard TransView 2017 M3 ›
2017BMW M42D Convertible, Automatic DCT TransView 2017 M4 ›
2017BMW M42D Convertible, Standard TransView 2017 M4 ›
2017BMW M42D Coupe, Automatic DCT TransView 2017 M4 ›
2017BMW M42D Coupe, Standard TransView 2017 M4 ›
2018BMW M3Standard TransView 2018 M3 ›
2018BMW M3Automatic DCT TransView 2018 M3 ›
2018BMW M42D Convertible, Automatic DCT TransView 2018 M4 ›
2018BMW M42D Convertible, Standard TransView 2018 M4 ›
2018BMW M42D Coupe, Automatic DCT TransView 2018 M4 ›
2018BMW M42D Coupe, Standard TransView 2018 M4 ›
2019BMW M4Base, 2D Convertible, Automatic DCT TransView 2019 M4 ›
2019BMW M4Base, 2D Convertible, Standard TransView 2019 M4 ›
2019BMW M4Base, 2D Coupe, Automatic DCT TransView 2019 M4 ›
2019BMW M4Base, 2D Coupe, Standard TransView 2019 M4 ›
2020BMW 840i2D ConvertibleView 2020 840i ›
2020BMW 840i2D CoupeView 2020 840i ›
2020BMW 840i xDrive2D ConvertibleView 2020 840i xDrive ›
2020BMW 840i xDrive2D CoupeView 2020 840i xDrive ›
2020BMW M4Base, 2D Coupe, Standard TransView 2020 M4 ›
2020BMW M4Base, 2D Convertible, Standard TransView 2020 M4 ›
2020BMW M4Base, 2D Coupe, Automatic DCT TransView 2020 M4 ›
2020BMW M4Base, 2D Convertible, Automatic DCT TransView 2020 M4 ›
2020BMW Z4sDrive M40iView 2020 Z4 ›
2020BMW 840i Gran Coupe840i Gran CoupeView 2020 840i Gran Coupe ›
2020BMW 840i Gran Coupe xDrive840i Gran Coupe xDriveView 2020 840i Gran Coupe xDrive ›
2021BMW 840i2D CoupeView 2021 840i ›
2021BMW 840i xDrive2D ConvertibleView 2021 840i xDrive ›
2021BMW 840i xDrive2D CoupeView 2021 840i xDrive ›
2021BMW 840i2D ConvertibleView 2021 840i ›
2021BMW M4Base, Automatic TransView 2021 M4 ›
2021BMW M3Base, Standard TransView 2021 M3 ›
2021BMW M3Base, Automatic TransView 2021 M3 ›
2021BMW M3CompetitionView 2021 M3 ›
2021BMW M4Base, Standard TransView 2021 M4 ›
2021BMW M4CompetitionView 2021 M4 ›
2021BMW Z4sDrive M40iView 2021 Z4 ›
2021BMW 840i Gran Coupe840i Gran CoupeView 2021 840i Gran Coupe ›
2021BMW 840i Gran Coupe xDrive840i Gran Coupe xDriveView 2021 840i Gran Coupe xDrive ›
2022BMW M3Base, Standard TransView 2022 M3 ›
2022BMW M3Base, Automatic TransView 2022 M3 ›
2022BMW M4Base, Standard TransView 2022 M4 ›
2022BMW M4Base, Automatic TransView 2022 M4 ›
2022BMW Z4sDrive M40iView 2022 Z4 ›
2023BMW M3Base, Standard TransView 2023 M3 ›
2023BMW M4BaseView 2023 M4 ›
2023BMW M3Base, Automatic TransView 2023 M3 ›
2023BMW Z4sDrive M40iView 2023 Z4 ›
2024BMW M3Base, Standard TransView 2024 M3 ›
2024BMW M4BaseView 2024 M4 ›
2024BMW M3Base, Automatic TransView 2024 M3 ›
2024BMW Z4sDrive M40iView 2024 Z4 ›
2025BMW M4BaseView 2025 M4 ›
2025BMW M3BaseView 2025 M3 ›
2025BMW Z4sDrive M40i, Standard TransView 2025 Z4 ›
2014Jaguar F-TypeBaseView 2014 F-Type ›
2015Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN TView 2015 F-Type ›
2015Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 7View 2015 F-Type ›
2015Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 7View 2015 F-Type ›
2015Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN TView 2015 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 6, Standard TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 7, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 6, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN T, Standard TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 6, Standard TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 6, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 7, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 7, Standard TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN T, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 7, Standard TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN T, Automatic TransView 2016 F-Type ›
2016Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN T, Standard TransView 2016 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 6, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 7, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 6, Standard TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 7, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 6, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN T, Standard TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 6, Standard TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN 7, Standard TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN T, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN T, Standard TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN T, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN 7, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN 6, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN 6, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN 7, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN 7, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN T, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Convertible, 3.0L Eng VIN T, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN 6, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN 6, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN 7, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN 7, Standard TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN T, Automatic TransView 2017 F-Type ›
2017Jaguar F-TypePremium, 2D Coupe, 3.0L Eng VIN T, Standard TransView 2017 F-Type ›
2018Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, AWDView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Convertible, 2.0L Eng VIN XView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, RWD, Standard TransView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, RWD, Automatic TransView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Coupe, 2.0L Eng VIN XView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, AWDView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, RWD, Automatic TransView 2018 F-Type ›
2018Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, RWD, Standard TransView 2018 F-Type ›
2019Jaguar F-TypeBase, 2D Convertible, 2.0L Eng VIN XView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, AWDView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, RWD, Automatic TransView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, RWD, Automatic TransView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN V, RWD, Standard TransView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, AWDView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Coupe, 2.0L Eng VIN XView 2019 F-Type ›
2019Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN V, RWD, Standard TransView 2019 F-Type ›
2020Jaguar F-TypeBase, 2D Coupe, 2.0L Eng VIN XView 2020 F-Type ›
2020Jaguar F-TypeBase, 2D Coupe, 3.0L Eng VIN VView 2020 F-Type ›
2020Jaguar F-TypeBase, 2D Convertible, 3.0L Eng VIN VView 2020 F-Type ›
2020Jaguar F-TypeBase, 2D Convertible, 2.0L Eng VIN XView 2020 F-Type ›
2021Jaguar F-TypeBase, 2D CoupeView 2021 F-Type ›
2021Jaguar F-TypeBase, 2D ConvertibleView 2021 F-Type ›
2000Mercedes-Benz S430S430View 2000 S430 ›
2000Mercedes-Benz S500S500View 2000 S500 ›
2001Mercedes-Benz CL500CL500View 2001 CL500 ›
2001Mercedes-Benz CL55CL55View 2001 CL55 ›
2001Mercedes-Benz CL600CL600View 2001 CL600 ›
2001Mercedes-Benz S430S430View 2001 S430 ›
2001Mercedes-Benz S500S500View 2001 S500 ›
2001Mercedes-Benz S55S55View 2001 S55 ›
2001Mercedes-Benz S600S600View 2001 S600 ›
2002Mercedes-Benz CL500CL500View 2002 CL500 ›
2002Mercedes-Benz CL55CL55View 2002 CL55 ›