General
Altimax Arctic 12
225/55R18 XL
3PMSF
$127.49/tire
$169.99
Set of 4: $509.96
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↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.
Specifications
| Size | 225/55R18 XL Altimax Arctic 12 |
|---|---|
| Width | 225 mm |
| Aspect ratio | 55 |
| Rim diameter | R18 |
| Load index | 102 |
| Speed rating | T |
| Load range | XL |
| Tread depth | 12/32" |
|---|---|
| Weight | 29.7 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the General Altimax Arctic 12
Studdable Winter Passenger Car, Minivan, Crossover and SUV tire. Factory Studded Articles Available.
Features
* Winter sipes* V-shaped directional tread with grooves* Snow traction ridges* Pinned for winter studs* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol* GT Shield+ Advantage Plan - Limited Warranty, 45 Day Customer Satisfaction Trial, Road Hazard Coverage & Mileage Warranty (if applicable)
Benefits
* Reduces squirm and block deformation offering exceptional grip* Helps deliver even wear and extended tread life* Provide additional grip during cornering, acceleration and braking in deep snow* For added ice grip* Meets the required performance criteria for Use in Severe Snow Conditions
Understanding the 225/55R18 XL 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 102 means each tire supports up to 1,874 lbs — about 7,496 lbs across a full set of four. The speed symbol T certifies the tire to 118 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 General Altimax Arctic 12 is built for
It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test.
Price and value
At $127.49 per tire, a full set of four costs $509.96. That is about 16% below the average price of the 107 tires we stock in this size.
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 General Altimax Arctic 12 225/55R18 XL?
Its load index of 102 allows up to 1,874 lbs per tire. Its speed rating of T is certified to 118 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 General Altimax Arctic 12 225/55R18 XL tires cost?
A single tire is $127.49 and a set of four is $509.96.
Is the General Altimax Arctic 12 rated for snow?
Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.
Does the Altimax Arctic 12 come in other sizes?
Yes — we stock 71 additional Altimax Arctic 12 sizes besides 225/55R18 XL. Fit only a size approved for your vehicle.
Other sizes of this model
175/65R15 XL — $83.99
175/65R15 XL — $95.99
185/60R15 XL — $85.49
185/60R15 XL — $97.49
185/65R14 — $92.24
185/65R14 XL — $80.24
185/65R15 XL — $80.24
185/65R15 XL — $92.24
195/60R15 XL — $83.24
195/65R15 XL — $86.24
205/50R17 XL — $114.74
205/55R16 XL — $107.24
205/55R16 XL — $118.49
205/60R16 XL — $94.49
205/60R16 XL — $106.49
205/65R15 XL — $92.99
205/65R15 XL — $104.24
205/65R16 XL — $96.74
205/65R16 XL — $108.74
205/70R15 XL — $83.24
205/70R15 XL — $95.24
215/45R17 XL — $123.74
215/45R17 XL — $134.99
215/50R17 XL — $119.99
215/55R16 XL — $113.24
215/55R16 XL — $125.24
215/55R17 XL — $113.24
215/55R17 XL — $125.24
215/60R16 XL — $102.74
215/60R16 XL — $114.74
