Tire Scouter

275/55R18 tires

Compare 1 models made in this size across 1 category, 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 275/55R18

Kumho Ecsta STX KL12

  • Ultra high performance summer

Best for budget-conscious performance drivers.

The Kumho Ecsta STX KL12 is a viable option for drivers prioritizing treadlife over peak performance metrics.

  • Treadlife score of 8.3 is above average for the category, suggesting a longer lifespan than many ultra-high-performance summer tires.
  • Dry grip rating of 8 is competitive, though it trails top performers like the Michelin Pilot Sport 4S.
  • Handling score of 8 aligns well with the category expectations, providing reliable performance 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 275/55R18.

72Strong
None listed
420
A
V · 149 mph

Every scale below runs from the lowest to the highest spec score among the 1 scored tires in 275/55R18 (72 to 72).

Best ultra high performance summer tires in 275/55R18

1 model, highest spec score first.

All ultra high performance summer tires

  1. Kumho Ecsta STX KL12

    Best for budget-conscious performance drivers.

    72StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    420
    Traction
    A
    Speed rating
    V · 149 mph
    • Treadlife score of 8.3 is above average for the category, suggesting a longer lifespan than many ultra-high-performance summer tires.
    • Dry grip rating of 8 is competitive, though it trails top performers like the Michelin Pilot Sport 4S.
    • The 'R' speed rating limits high-speed potential, which could be a concern for those seeking maximum performance capabilities.

Vehicles that use 275/55R18

A sample of recent vehicles whose factory front size is 275/55R18. Sizes can vary by trim, so confirm yours before you buy.

  • 2002 Lincoln Blackwood
  • 2001 Lincoln Blackwood

Popular brands in 275/55R18

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

What 275/55R18 means

275/55R18 designates a tire 275 mm (10.8") wide with a sidewall 55% as tall as it is wide — about 151 mm (6.0") — mounted on a 18-inch wheel. That works out to an overall diameter of roughly 29.9", a circumference of about 94.0", and approximately 674 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 1 275/55R18 tire models we track, the most common category is ultra high performance summer (1 model) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
151 mm
Overall diameter
29.9 in
Circumference
94.0 in
Revs per mile
674

Frequently asked questions

What does 275/55R18 mean?

275/55R18 breaks down as follows: 275mm is the tire's section width (the widest point), 55 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 275/55R18 tires?

275/55R18 is a common fitment for vehicles like the 2002 Lincoln Blackwood, 2001 Lincoln Blackwood. Always confirm your specific trim's fitment before purchasing.

How tall is a 275/55R18 tire?

A 275/55R18 tire has a sidewall height of about 151 mm (6.0") and an overall diameter of roughly 29.9", turning approximately 674 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

275/55R18 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 275/55R18 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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