Best 245/40R18 tires

534 rated tires available in this size, scored on dry, wet, snow, comfort and wear.

Top pick in 245/40R18

Goodyear Eagle F1 Asymmetric 6

1,825 owner reviews · 31 tests

Check price on Amazon · 245/40R18 Read the review

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Compare two 245/40R18 tires side by side

Every rated 245/40R18 tire, by season

Ranked by our Relative score, weighed against how many reviews and tests stand behind it.

How scores work

Relative score: 0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Ranking: The score already allows for how much stands behind it: with only a few reviews or tests a tire stays near the typical score. Among similar scores, newer tires rank higher and tires replaced by a newer generation lower.

Rank by

Best 245/40R18 all-season tires

128

116 more rated tires in this size are listed on their brand pages.

Best 245/40R18 summer tires

273

261 more rated tires in this size are listed on their brand pages.

Best 245/40R18 winter tires

118

106 more rated tires in this size are listed on their brand pages.

Best 245/40R18 all-weather tires

Goodyear Assurance WeatherReady 2
129 owner reviews · 2 tests
76 Check price on Amazon · 245/40R18
Pirelli Cinturato WeatherActive
19 owner reviews · 2 tests
74 Check price on Amazon · 245/40R18
Nokian Remedy WRG5
19 owner reviews · 1 test
71 Check price on Amazon · 245/40R18
Mastersteel All Weather 2
1 owner review · 1 test
68 Check price on Amazon · 245/40R18
General AltiMAX 365 AW
89 owner reviews · 3 tests
69 Check price on Amazon · 245/40R18
Bridgestone WeatherPeak
383 owner reviews · 2 tests
62 Check price on Amazon · 245/40R18

More 245/40R18 tires, season not listed

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245/40R18 in inches

Overall diameter	25.7″
Section width	9.6″
Rim diameter	18″
Sidewall height	98 mm
Circumference	80.8″
Revolutions per mile	784.2

Revolutions per mile: how many times the tire turns in one mile, the count your speedometer is calibrated to.

What rims fit 245/40R18 tires?

A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.

Minimum

7″

Ideal

7.5″

Maximum

8.5″

The rim diameter is fixed at 18″; only the width can change. Rims are usually 70–90% as wide as the tire’s 9.6″ section width.

Fitted from the factory on rims: 18x7.5, 18x8, 18x8.5.

Some factory fitments sit outside that range: 18x9, 18x9.5. Check the rim width approved for your car before you buy.

Cars that use 245/40R18

Fitted from the factory on at least one trim. Models with the most trims and years in this size come first.

Audi A42007–2025

Mercedes-Benz E-Class2002–2016

BMW 5 Series1988–2010

Audi A52007–2025

Mercedes-Benz C-Class2016–2026

95 more models use this size. Find your vehicle

Sizes often compared with 245/40R18

Close alternatives — each opens in the tire size calculator.

245/40R18VS225/50R17

245/40R18VS225/45R18

245/40R18VS245/45R17

245/40R18 — what does it mean?

Parameter	Meaning
245	The first number is the section width — 245 mm, or about 9.6 inches across the widest part of the tire.
40	The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 98 mm tall.
R18	R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel.