Hankook

Dynapro HPX RA43

Name: Hankook Dynapro HPX RA43 255/55R18 XL
Brand: Hankook
SKU: 1030858
Price: 173.99 USD
Availability: InStock

255/55R18 XL

All-Season M+S

$173.99/tire $231.99

Set of 4: $695.96

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Specifications

Size	255/55R18 XL Dynapro HPX RA43
Width	255 mm
Aspect ratio	55
Rim diameter	R18
Load index	109
Speed rating	V
Load range	XL

Season	All-Season
UTQG	680 A A
Treadwear warranty	70,000 miles
Tread depth	10/32"
Weight	31.1 lbs
Max pressure	50 psi
Severe snow (3PMSF)	No
Run-flat	No

About the Hankook Dynapro HPX RA43

All-Season Passenger SUV tire.

Features

* New all-season compound* Increased contact area* 3D GripKontrol sipes* Knurling technology applied inside the grooves* Optimized multi-pitch sequencing* 70,000 Mile / 113000Km Limited Treadwear Warranty* Road Hazard Warranty* 30 Day Free Trial

Benefits

* For even tread wear and enhanced mileage* Provides excellent handling and braking performance* Helps provide outstanding grip and handling in all seasons* Effectively reduces tread pattern noise during road contact for a quieter, more comfortable ride

Understanding the 255/55R18 XL size

In the size code 255/55R18, 255 is the section width in millimetres (about 10"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 140.3 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 29".

The load index 109 means each tire supports up to 2,271 lbs — about 9,084 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 Hankook Dynapro HPX RA43 is built for

The Hankook Dynapro HPX RA43 is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. Fitment category: Passenger Car, SUV/CUV, Performance, HP.

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 $173.99 per tire, a full set of four costs $695.96. That is about 8% below the average price of the 83 tires we stock in this size. Backed by a 70,000-mile treadwear warranty, that works out to roughly $9.94 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 255/55R18 mean?

255 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 140.3 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 29 inches.

What are the load and speed ratings of the Hankook Dynapro HPX RA43 255/55R18 XL?

Its load index of 109 allows up to 2,271 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 Hankook Dynapro HPX RA43 255/55R18 XL tires cost?

A single tire is $173.99 and a set of four is $695.96, covered by a 70,000-mile treadwear warranty.

Does the Dynapro HPX RA43 come in other sizes?

Yes — we stock 46 additional Dynapro HPX RA43 sizes besides 255/55R18 XL. Fit only a size approved for your vehicle.