Tire Scouter

205/40R18 tires

Compare 7 models made in this size across 3 categories, ranked by spec score, then confirm fitment for your vehicle.

Spec scores are estimates from five manufacturer specs, not road tests. How we score

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Our top pick in 205/40R18

Goodyear Eagle F1 Asymmetric 3 RunOnFlat

  • Ultra high performance summer

Best for wet-weather performance enthusiasts.

The Goodyear Eagle F1 Asymmetric 3 RunOnFlat targets drivers who prioritize wet grip, with a score of 9 that stands out in the ultra-high-performance summer category.

  • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
  • Dry grip and handling both score 8, aligning well with the segment's expectations for spirited driving.
  • Comfort and noise scores match the category averages, providing a balanced ride for an ultra-high-performance tire.
Full analysis

The highest spec score among ultra high performance summer tires in this size that we have analysis for, the most common category for 205/40R18.

80Strong
None listed
300
AA
W · 168 mph

Every scale below runs from the lowest to the highest spec score among the 6 scored tires in 205/40R18 (68 to 80).

Best ultra high performance summer tires in 205/40R18

5 models, highest spec score first.

All ultra high performance summer tires

  1. Goodyear Eagle F1 Asymmetric 3 RunOnFlat

    Best for wet-weather performance enthusiasts.

    80StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    300
    Traction
    AA
    Speed rating
    W · 168 mph
    • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
    • Dry grip and handling both score 8, aligning well with the segment's expectations for spirited driving.
    • Lack of a treadwear warranty could be a concern for drivers who prioritize tire longevity and cost predictability.

  2. Pirelli P Zero Run Flat (PZ4)

    Best for wet-weather enthusiasts.

    79StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    W · 168 mph
    • Wet grip score of 9 is notably above the category average of 7.6, making it a strong performer in rainy conditions.
    • Treadlife score of 7.5 is respectable for an ultra-high-performance summer tire, given the category's focus on grip and handling.
    • The 'R' speed rating may not satisfy drivers seeking the highest speed capabilities typical of ultra-high-performance summer tires.

  3. Dunlop Sport Maxx RT RunOnFlat

    Best for wet-weather enthusiasts.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    240
    Traction
    AA
    Speed rating
    W · 168 mph
    • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in wet conditions.
    • Dry grip and handling both score 8, which is competitive for spirited driving in summer conditions.
    • The lack of a treadwear warranty and a low treadwear rating of 240 suggest a shorter lifespan, which may not suit long-distance drivers.

  4. Pirelli P Zero

    Best for performance enthusiasts.

    77StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    220
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Dry grip and handling scores are both perfect 10s, setting a high bar for the ultra-high-performance summer category.
    • Wet grip rating of 9 surpasses the category average of 7.6, making it reliable in summer rain.
    • If comfort and noise are significant factors, the P Zero's average scores in these areas may not meet your expectations.
Show 1 more ultra high performance summer tire

  1. Michelin Pilot Sport 4

    Best for enthusiast drivers.

    68Good
    Warranty
    20k mi
    Treadwear
    320
    Traction
    AA
    Speed rating
    Y · 186 mph

Best performance all-season tires in 205/40R18

1 model, highest spec score first.

All performance all-season tires

  1. Nitto Neo Gen

    Best for enthusiastic drivers.

    79StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    W · 168 mph
    • Perfect dry grip and handling scores of 10, surpassing the category average of 8.7, make it a strong choice for spirited driving.
    • Wet grip rating of 9 is well above the category average of 7.6, providing confidence in rainy conditions.
    • Lack of a treadwear warranty could be a concern for budget-conscious buyers looking for long-term value.

Best winter tires in 205/40R18

1 model, highest spec score first.

All winter tires

  1. Vredestein Wintrac Pro

    Severe-snow rated

    Best for moderate snow drivers.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • Snow traction score of 8, which is competitive for winter conditions and suitable for moderate snow coverage.
    • Comfort score of 6.2 matches the winter category average, making it a decent choice for longer drives in cold conditions.
    • Lack of a treadwear warranty makes it less appealing for budget-conscious buyers who prioritize long-term cost efficiency.

Vehicles that use 205/40R18

A sample of recent vehicles whose factory front size is 205/40R18. Sizes can vary by trim, so confirm yours before you buy.

  • 2024 Mini Cooper Convertible
  • 2024 Mini Cooper Hardtop
  • 2023 Mini Cooper Convertible
  • 2023 Mini Cooper Hardtop
  • 2022 Mini Cooper Convertible
  • 2022 Mini Cooper Hardtop
  • 2021 Mini Cooper Convertible
  • 2020 Alfa Romeo 4C
  • 2020 Mini Cooper Convertible
  • 2020 Mini Cooper Hardtop
  • 2019 Alfa Romeo 4C
  • 2019 Mini Cooper Convertible

Popular brands in 205/40R18

The number beside each brand is how many of its models come in this size.

What 205/40R18 means

205/40R18 designates a tire 205 mm (8.1") wide with a sidewall 40% as tall as it is wide — about 82 mm (3.2") — mounted on a 18-inch wheel. That works out to an overall diameter of roughly 24.5", a circumference of about 76.8", and approximately 825 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 7 205/40R18 tire models we track, the most common category is ultra high performance summer (5 models), followed by performance all-season (1) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
82 mm
Overall diameter
24.5 in
Circumference
76.8 in
Revs per mile
825

Frequently asked questions

What does 205/40R18 mean?

205/40R18 breaks down as follows: 205mm 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 205/40R18 tires?

205/40R18 is a common fitment for vehicles like the 2024 Mini Cooper Convertible, 2024 Mini Cooper Hardtop, 2023 Mini Cooper Convertible, 2023 Mini Cooper Hardtop and others. Always confirm your specific trim's fitment before purchasing.

How tall is a 205/40R18 tire?

A 205/40R18 tire has a sidewall height of about 82 mm (3.2") and an overall diameter of roughly 24.5", turning approximately 825 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

205/40R18 research guides

Summer vs all-season tires

Where summer tires lose grip, the cold-cracking risk, and what all-season tires trade for their range.

Read the guide

Speed rating chart

A practical chart for common tire speed ratings and what they mean for everyday driving.

Read the guide

Changing tire size

Plus-sizing and alternate sizes: diameter limits, load and speed ratings, and speedometer error.

Read the guide

Confirm 205/40R18 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.

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