Tire Scouter

275/45R18 tires

Compare 8 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

Shop 275/45R18 tires at Tire Rack

See tires in this size, then confirm the load index and speed rating your vehicle needs.

We may earn a commission from retailer links. Learn more

Shop 275/45R18 at Tire Rack
Our top pick in 275/45R18

Bridgestone Potenza Sport

  • Ultra high performance summer

Best for performance enthusiasts.

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.
  • Handling score of 10 ensures precise steering response, making it a strong choice for spirited driving.
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 275/45R18.

80Strong
None listed
300
AA
Y · 186 mph

Every scale below runs from the lowest to the highest spec score among the 7 scored tires in 275/45R18 (61 to 80).

Best ultra high performance summer tires in 275/45R18

6 models, highest spec score first.

All ultra high performance summer tires

  1. Bridgestone Potenza Sport

    Best for performance enthusiasts.

    80StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    300
    Traction
    AA
    Speed rating
    Y · 186 mph
    • 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.

  2. Continental ContiSportContact 5

    Best for performance enthusiasts.

    79StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Dry grip score of 9 matches the highest in the ultra-high-performance summer category, making it a strong choice for spirited driving.
    • Wet grip rating of 9 significantly exceeds the category average of 7.6, offering reliable performance in wet conditions.
    • The lower treadwear rating of 280 suggests a shorter lifespan compared to alternatives like the Michelin Pilot Sport 4S, which may impact long-term value.

  3. Yokohama ADVAN Sport V105

    Best for performance enthusiasts.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    240
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Perfect dry grip score of 10, surpassing the category average of 8.7, ideal for spirited driving on dry roads.
    • Wet grip rating of 9 is significantly above the category average of 7.6, enhancing performance in rainy conditions.
    • Average comfort and noise levels may disappoint those looking for a more refined ride experience.

  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 2 more ultra high performance summer tires

  1. Michelin Pilot Sport 4

    Best for enthusiast drivers.

    61Good
    Warranty
    20k mi
    Treadwear
    320
    Traction
    A
    Speed rating
    Y · 186 mph

  2. Bridgestone Potenza S007 A

    Best for dry-weather performance enthusiasts.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    Y · 186 mph

Best max performance summer tires in 275/45R18

1 model, highest spec score first.

All max performance summer tires

  1. Pirelli Cinturato P7

    Best for enthusiast drivers.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    260
    Traction
    AA
    Speed rating
    W · 168 mph
    • Dry grip score of 9 and wet grip score of 9 both exceed the category averages, making it a strong performer in both conditions.
    • Handling response is rated at 9, indicating precise steering and control, which is crucial for spirited driving.
    • The lower UTQG treadwear rating of 260 suggests faster wear, which may not suit budget-conscious buyers looking for longevity.

Best touring all-season tires in 275/45R18

1 model, highest spec score first.

All touring all-season tires

  1. Kumho Solus Majesty 9 TA91

    Best for dry climate drivers.

    63GoodFrom 2 of 5 specs
    Warranty
    45k mi
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • Dry grip score of 8.5 surpasses the category average of 7.8, making it a strong choice for dry road conditions.
    • Comfort and noise scores both meet the category average of 8, ensuring a smooth and quiet ride typical of touring tires.
    • With a wet grip score of 5.5, it may not be the best choice for drivers in regions with frequent rain.

Popular brands in 275/45R18

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

What 275/45R18 means

275/45R18 designates a tire 275 mm (10.8") wide with a sidewall 45% as tall as it is wide — about 124 mm (4.9") — mounted on a 18-inch wheel. That works out to an overall diameter of roughly 27.7", a circumference of about 87.2", and approximately 727 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 8 275/45R18 tire models we track, the most common category is ultra high performance summer (6 models), followed by max performance summer (1) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
124 mm
Overall diameter
27.7 in
Circumference
87.2 in
Revs per mile
727

Frequently asked questions

What does 275/45R18 mean?

275/45R18 breaks down as follows: 275mm is the tire's section width (the widest point), 45 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 275/45R18 tires?

275/45R18 is a standard tire size found on many trucks, SUVs, and crossovers. Use our vehicle search to confirm your exact fitment.

How tall is a 275/45R18 tire?

A 275/45R18 tire has a sidewall height of about 124 mm (4.9") and an overall diameter of roughly 27.7", turning approximately 727 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

275/45R18 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 275/45R18 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