Nexen Roadian GTX 225/55R18 Roadian GTX
Nexen

Roadian GTX

225/55R18
$129.00/tire $172.00
Set of 4: $516.00
Minimum order: 4 tires (sizes can be mixed) ? Selling in sets of 4 is how we keep our prices this low — and a matching set keeps your car balanced and safe.
Most drivers replace all four for even wear and handling.
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Specifications

Size225/55R18 Roadian GTX
Width225 mm
Aspect ratio55
Rim diameterR18
Load index98
Speed ratingV
Load rangeSL
UTQG680 A A
Treadwear warranty70,000 miles
Tread depth9.5/32"
Max pressure51 psi
Severe snow (3PMSF)No
Run-flatNo

About the Nexen Roadian GTX

All-Season Passenger CUV/SUV Touring tire. Original Equipment on Select Vehicles such as the Mitsubishi Outlander.

Features

* All season tread design* M+S Rated* 70,000 Mile/115,000 km Treadwear Mileage Warranty* Road Hazard Replacement Warranty (First 3/32 or 2 Years)* 36-Month Roadside Assistance

Benefits

* For year round traction* Delivers a smooth ride

Understanding the 225/55R18 size

In the size code 225/55R18, 225 is the section width in millimetres (about 8.9"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 123.8 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 27.7".

The load index 98 means each tire supports up to 1,653 lbs — about 6,612 lbs across a full set of four. The speed symbol V certifies the tire to 149 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

What the Nexen Roadian GTX is built for

Fitment category: Undefined.

Tread life and grip ratings

This tire carries a UTQG rating of 680 A A. The treadwear grade of 680 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).

Price and value

At $129.00 per tire, a full set of four costs $516.00. That is about 15% below the average price of the 107 tires we stock in this size. Backed by a 70,000-mile treadwear warranty, that works out to roughly $7.37 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 225/55R18 mean?

225 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 123.8 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 27.7 inches.

What are the load and speed ratings of the Nexen Roadian GTX 225/55R18?

Its load index of 98 allows up to 1,653 lbs per tire. Its speed rating of V is certified to 149 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.

How much does a set of 4 Nexen Roadian GTX 225/55R18 tires cost?

A single tire is $129.00 and a set of four is $516.00, covered by a 70,000-mile treadwear warranty.

Does the Roadian GTX come in other sizes?

Yes — we stock 78 additional Roadian GTX sizes besides 225/55R18. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 225/55R18

GT Radial Maxclimate 225/55R18 Maxclimate
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GT Radial Maxtour LX 225/55R18 Maxtour LX
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Toyo Celsius CUV 225/55R18 Celsius Cuv
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