Tire Size Guide

255/40R18 Tires

Compare 79 available models across 6 categories, then confirm fitment for your vehicle.

Our Top Pick in 255/40R18
Hankook Ventus V12 evo2
Ultra High Performance SummerPerformance

The Hankook Ventus V12 evo2 is a solid choice for drivers who need strong wet grip performance in an ultra-high performance summer tire.

Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions. Treadlife score of 7.5 is above average for ultra-high performance summer tires, suggesting a longer lifespan than many competitors. Handling score of 8 aligns well with the category's emphasis on responsive driving dynamics.
80Spec score (est.)
Full analysis
36 models

Best Ultra High Performance Summer Tires in 255/40R18

All Ultra High Performance Summer tires

The Hankook Ventus V12 evo2 is a solid choice for drivers who need strong wet grip performance in an ultra-high performance summer tire.

  • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
  • Treadlife score of 7.5 is above average for ultra-high performance summer tires, suggesting a longer lifespan than many competitors.

The lack of a treadwear warranty may deter buyers seeking guaranteed mileage from their performance tires.

Treadwear 320Traction AA
Spec score80estimated
Details

The Bridgestone Potenza Sport is designed for drivers who demand top-tier performance in dry and wet conditions.

  • Perfect dry grip score of 10, surpassing the category average of 8.7, ideal for aggressive cornering and high-speed stability.
  • Wet grip rating of 9 is well above the category benchmark of 7.6, offering reliable performance in rainy conditions.

Average comfort and noise levels may deter those seeking a more refined and quiet driving experience.

Treadwear 300Traction AA
Spec score80estimated
Details

The Vredestein Ultrac Vorti+ is best suited for those who prioritize wet grip, with a score of 9 that significantly exceeds the ultra-high-performance summer category average of 7.6.

  • Wet grip score of 9 is notably higher than the category average of 7.6, making it a strong performer in rainy conditions.
  • Dry grip and handling both score 8, providing balanced performance for spirited driving.

Lack of a treadwear warranty could be a concern for those looking for guaranteed longevity.

Treadwear 320Traction AA
Spec score80estimated
Details

The Vredestein Ultrac Pro is a compelling choice for drivers who need strong wet grip in an ultra-high-performance summer tire.

  • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
  • Treadwear rating of 320 suggests above-average durability for an ultra-high-performance summer tire, where shorter tread life is common.

Lack of a treadwear warranty could be a concern for buyers seeking assurance on tire longevity.

Treadwear 320Traction AA
Spec score80estimated
Details
Show 32 more ultra high performance summer options
Michelin Pilot Sport All Season 4

45,000 mi warranty · Treadwear 540

78
Kumho Ecsta PS91

Treadwear 260

78
74
Pirelli P Zero

Treadwear 220

73
Nexen NFERA AU7

50,000 mi warranty · Treadwear 500

72
Continental ExtremeContact Sport 02

30,000 mi warranty · Treadwear 340

70
Michelin Pilot Super Sport

30,000 mi warranty · Treadwear 300

69
Michelin Pilot Sport 4S

30,000 mi warranty · Treadwear 300

69
Kelly Edge Sport

45,000 mi warranty

68
Michelin Pilot Sport 3

20,000 mi warranty · Treadwear 320

68
Falken Azenis RT660

Treadwear 200

68
68
Yokohama ADVAN Sport V107

20,000 mi warranty · Treadwear 240

66
Michelin Pilot Sport 4 ZP

20,000 mi warranty · Treadwear 320

63
Westlake SA07 Sport

45,000 mi warranty · Treadwear 450

62
Yokohama ADVAN A052

Treadwear 200

62
Michelin Pilot Sport 4

20,000 mi warranty · Treadwear 320

61
Toyo Tire Proxes Sport

25,000 mi warranty · Treadwear 500

56
Yokohama ADVAN Apex

25,000 mi warranty

56
Nexen NFERA SU1

25,000 mi warranty

56
Yokohama ADVAN Neova AD08 R

Specs on detail page

Nitto Invo

Specs on detail page

Pirelli P Zero PZ4 Sport

Specs on detail page

22 models

Best Performance All-Season Tires in 255/40R18

All Performance All-Season tires

The ExtremeContact DWS 06 Plus is a strong contender for drivers who prioritize treadlife and dry handling in a performance all-season tire.

  • Treadlife score of 9.5 is significantly above the category average, supported by a 50,000-mile warranty.
  • Dry grip and handling both score 8, making it a solid choice for spirited driving in various conditions.

Wet grip performance lags slightly behind some competitors, which could be a concern in regions with frequent rain.

50,000 mi warrantyTreadwear 560Traction AA
Spec score79estimated
Details

The General G-MAX AS-07 is a solid choice for drivers seeking a performance all-season tire with a focus on dry grip and handling.

  • Treadlife score of 9 with a 50,000-mile warranty, slightly below the category average of 51,717 miles but still strong for a performance all-season tire.
  • Dry grip rating of 8 matches the category expectation, ensuring reliable performance on dry roads.

Wet grip performance is below some competitors, which could be a concern for those frequently driving in rainy conditions.

50,000 mi warrantyTreadwear 500Traction AA
Spec score78estimated
Details
Nitto Motivo 365Performance

The Nitto Motivo 365 is a strong contender for drivers seeking high dry grip and handling in a performance all-season tire.

  • Outstanding dry grip with a perfect score of 10, significantly above the category average of 8.4.
  • Handling score of 10 ensures precise control, making it ideal for spirited driving.

The lack of a 3PMSF rating limits its capability in harsh winter conditions, making it unsuitable for drivers in severe snow climates.

60,000 mi warranty
Spec score77estimated
Details

The Pirelli P Zero AS Plus 3 is designed for drivers who prioritize dry grip and handling above all else.

  • Dry grip and handling scores of 10 are at the top of the ultra high performance summer category, providing exceptional cornering and road feedback.
  • Wet grip rating of 9 significantly exceeds the category average of 7.6, enhancing safety during summer rainstorms.

If a quiet ride is a priority, consider alternatives like the Michelin Pilot Sport 4S, which offers better noise control.

50,000 mi warrantyTreadwear 560Traction AA
Spec score77estimated
Details
Show 18 more performance all-season options
Cooper Cobra Instinct

45,000 mi warranty · Treadwear 500

77
Nitto Motivo

60,000 mi warranty · Treadwear 560

75
Yokohama ADVAN Sport A/S+

55,000 mi warranty · Treadwear 440

75
Bridgestone Potenza RE980AS+

50,000 mi warranty · Treadwear 500

75
Bridgestone Potenza Sport AS

50,000 mi warranty · Treadwear 500

75
Vredestein Hypertrac All Season

50,000 mi warranty · Treadwear 500

75
Cooper Zeon RS3-G1

50,000 mi warranty · Treadwear 500

75
Toyo Proxes Sport A/S+

50,000 mi warranty · Treadwear 460

74
Goodyear Eagle Exhilarate

45,000 mi warranty · Treadwear 500

74
Kumho Ecsta PA51

45,000 mi warranty · Treadwear 500

74
Hankook Ventus S1 AS

50,000 mi warranty · Treadwear 560

73
Falken Azenis FK460 A/S

50,000 mi warranty · Treadwear 500

72
Laufenn S FIT AS

45,000 mi warranty · Treadwear 500

71
Goodyear Eagle Sport All-Season

50,000 mi warranty · Treadwear 560

69
BFGoodrich g-Force COMP-2 A/S PLUS

45,000 mi warranty · Treadwear 400

69
Uniroyal Power Paw A/S

45,000 mi warranty

68
Falken Pro G6 Sport A/S

45,000 mi warranty

68
Sumitomo HTR A/S P03

45,000 mi warranty · Treadwear 540

68
9 models

Best Max Performance Summer Tires in 255/40R18

All Max Performance Summer tires
General G-MAX RSPerformance

The General G-MAX RS is a solid choice for those prioritizing wet grip in a max performance summer tire.

  • Wet grip score of 9 surpasses the category average of 7.9, making it a strong performer in rainy conditions.
  • Treadwear rating of 360 is above the category average of 302, suggesting longer life than many max performance summer tires.

Lack of a treadwear warranty could be a concern for those seeking predictable long-term costs.

Treadwear 360Traction AA
Spec score81estimated
Details
Sumitomo HTR Z5Performance

The Sumitomo HTR Z5 is a strong contender for drivers who prioritize maximum grip and handling.

  • Dry grip score of 10 and handling score of 10 — both are at the top of the ultra-high-performance summer category.
  • Wet grip rating of 9 surpasses the category average of 7.6, making it a solid choice for wet conditions.

Average comfort and noise levels could be a turn-off for those who prioritize a quieter and more comfortable ride.

Treadwear 320Traction AA
Spec score80estimated
Details

The Falken Azenis FK510 is a strong contender for drivers who prioritize grip above all else.

  • Perfect dry grip score of 10, surpassing the category average of 8.7, ensures exceptional performance on dry roads.
  • Wet grip rating of 9 is well above the category average of 7.6, making it reliable in wet conditions.

If noise and comfort are top priorities, consider alternatives like the Michelin Pilot Sport 4S.

Treadwear 300Traction AA
Spec score80estimated
Details

The Cinturato P7 Run Flat is a solid option for those who prioritize wet grip in a max performance summer tire.

  • Wet grip score of 9 surpasses the category average of 7.9, making it a strong performer in rainy conditions.
  • Dry grip score of 8 is competitive, although slightly below the segment's average of 8.2.

The lack of a treadwear warranty and a lower treadwear rating of 260 could lead to more frequent replacements than some competitors.

Treadwear 260Traction AA
Spec score74estimated
Details
Show 5 more max performance summer options
Toyo Proxes Sport 2

25,000 mi warranty · Treadwear 240

62
Bridgestone Potenza S007 A

Specs on detail page

6 models

Best Grand Touring All Season Tires in 255/40R18

All Grand Touring All Season tires

The Pirelli Cinturato P7 P7C2 is a compelling choice for drivers who prioritize wet weather performance, thanks to its standout wet grip score of 9.5, which far exceeds the grand touring all-season category average.

  • Wet grip score of 9.5 significantly exceeds the category average of 7.4, making it a strong performer in rainy conditions.
  • Comfort and noise ratings both meet the category benchmarks, ensuring a smooth and quiet ride typical of grand touring tires.

Lack of a treadwear warranty and below-average treadlife score could lead to higher long-term costs.

Treadwear 320Traction AA
Spec score80estimated
Details

The ContiProContact is a solid choice for drivers who value dry grip and comfort in a touring all-season tire.

  • Treadlife score of 7.3 is below the category average, but the 40,000-mile warranty offers a baseline for longevity.
  • Dry grip rating of 8.5 exceeds the category average of 7.8, providing reliable traction in dry conditions.

The 40,000-mile warranty is below average for the category, which may lead to more frequent replacements.

60,000 mi warrantyTreadwear 500Traction AA
Spec score78estimated
Details

The Bridgestone DriveGuard Plus is a solid choice for grand touring all-season tire buyers prioritizing comfort and longevity.

  • Comfort and noise scores both at 8, matching the category benchmarks, which means a smooth and quiet ride is on par with expectations for grand touring all-season tires.
  • Treadwear warranty of 65,000 miles exceeds the category average of 62,053 miles, suggesting longer-lasting performance.

The 'R' speed rating may not satisfy drivers looking for higher-speed capabilities in a grand touring tire.

65,000 mi warrantyTreadwear 640Traction A
Spec score75estimated
Details

The Pirelli Cinturato WeatherActive is aimed at drivers who prioritize comfort and noise reduction in a grand touring all-season tire.

  • Comfort and noise scores both hit 8, matching the category benchmarks for a smooth and quiet ride.
  • Treadwear rating of 700 and a 60,000-mile warranty suggest strong longevity, slightly under the category average of 62,053 miles.

The 'R' speed rating may not suit drivers who frequently travel at high speeds, as it limits performance compared to higher-rated tires.

60,000 mi warrantyTreadwear 700Traction A
Spec score75estimated
Details
Show 2 more grand touring all season options
Falken ZIEX ZE960 A/S

45,000 mi warranty · Treadwear 540

68
4 models

Best Winter Tires in 255/40R18

All Winter tires

The Dunlop SP Winter Sport 4D is best suited for drivers who face mostly cold and dry winter conditions, as its dry grip and handling scores are above the category average.

  • Dry grip score of 7.5 exceeds the winter category average of 7.1, making it a solid choice for cold, dry conditions.
  • Handling score of 7.5 suggests responsive steering and control, which is beneficial for winter driving dynamics.

The absence of 3PMSF certification makes it less suitable for severe winter conditions where certified tires are recommended.

Spec scoreestimated
Details

The Blizzak LM005 is a solid choice for drivers who need a winter tire that balances snow traction with durability.

  • Snow traction rating of 8 aligns well with its winter category purpose, offering solid performance in snowy conditions.
  • Treadwear warranty of 40,000 miles is a significant advantage, providing a longer lifespan compared to many winter tires.

Lack of specific ice traction data may deter those who prioritize ice performance above all other winter attributes.

Traction A
Spec scoreestimated
Details

The Pirelli Winter Sottozero 3 Run Flat is a solid choice for urban drivers who prioritize snow traction and the convenience of run-flat technology.

  • Snow traction score of 8, which is competitive for winter tires and suitable for moderate snow conditions.
  • Comfort score matches the category average of 6.2, making it a reasonable choice for daily winter driving.

Lack of a treadwear warranty and below-average wet grip make it less appealing for high-mileage or wet climate drivers.

Traction NONE
Spec scoreestimated
Details

The BluEarth Winter V905 by Yokohama is a practical choice for drivers who need reliable snow traction without breaking the bank.

  • Snow traction score of 8 is reliable for winter conditions, aligning well with the category's demands.
  • Comfort score of 6.2 matches the winter category average, making it a decent choice for everyday winter driving.

No treadwear warranty, which means you'll need to monitor tread depth closely to avoid unexpected replacements.

Traction NONE
Spec scoreestimated
Details
2 models

Best Touring All-Season Tires in 255/40R18

All Touring All-Season tires

The Bridgestone Turanza T005 is a strong contender for those prioritizing comfort and longevity in a grand touring all-season tire.

  • Comfort and noise scores of 8 match the category benchmarks, ensuring a smooth and quiet ride typical of grand touring tires.
  • 70,000-mile treadwear warranty exceeds the category average of 62,053 miles, offering better long-term value.

Lacks 3PMSF certification, which may be a concern for drivers in regions with harsh winter conditions.

Treadwear 320Traction A
Spec score72estimated
Details

The Bridgestone Turanza EL400-02 is a touring all-season tire that caters to drivers who prioritize comfort and noise.

  • Comfort and noise scores both meet the touring category average of 8, making for a pleasant ride.
  • Wet grip rating of 7.5 exceeds the category average of 6.9, offering reliable performance in rainy conditions.

Lack of a treadwear warranty and low UTQG treadwear rating suggest higher long-term costs due to more frequent replacements.

Treadwear 260Traction A
Spec score64estimated
Details
Fitment

Vehicles Using 255/40R18

+ 1 more vehicles use this size

Browse

Popular Brands in 255/40R18

Size decoded

What 255/40R18 Means

255/40R18 designates a tire 255 mm (10.0") wide with a sidewall 40% as tall as it is wide — about 102 mm (4.0") — mounted on a 18-inch wheel. That works out to an overall diameter of roughly 26.0", a circumference of about 81.8", and approximately 775 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

102 mm

Sidewall height

26.0"

Overall diameter

81.8"

Circumference

775

Revs per mile

Of the 79 255/40R18 tire models we track, the most common category is ultra high performance summer (36 models), followed by performance all-season (22) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 255/40R18 mean?
255/40R18 breaks down as follows: 255mm is the tire's section width (the widest point), 40 is the aspect ratio (sidewall height as a percentage of width), R means radial construction, and 18 is the wheel diameter in inches.
What vehicles use 255/40R18 tires?
255/40R18 is a common fitment for vehicles like the 2026 BMW Z4, 2025 BMW Z4, 2024 Toyota Supra, 2024 BMW Z4 and others. Always confirm your specific trim's fitment before purchasing.
How tall is a 255/40R18 tire?
A 255/40R18 tire has a sidewall height of about 102 mm (4.0") and an overall diameter of roughly 26.0", turning approximately 775 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

255/40R18 Research Guides

Confirm 255/40R18 fits your vehicle

Wheel size can vary by trim and option package. Enter your year, make, model, and trim to verify fitment before you order.

Check my vehicle