Additional information
| Speed Index | |
|---|---|
| Season | |
| Brand | |
| width | |
| profile | |
| diameter | |
| Load Index | |
| Vehicle Type | Passenger |
| Sidewall | Black Sidewall |
| Tread Depth | 6 |
| uTQG | 100 A A |
315/40R18 Nitto NT555RII Summer
$526.00
Other Sizes
315/40R18 Nitto NT555RII Summer
In stock
Description
315/40R18 Nitto NT555RII Summer
Detailed specifications
Listed are full spes for this 315/40R18 Nitto NT555RII Summer tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG treadwear/traction/temperature grading, and shipping details for Ontario and Quebec.
Why choose the 315/40R18 Nitto NT555RII?
315/40R18 Nitto NT555RII is positioned as a summer / passenger fitment tire with clear Ontario and Quebec delivery details.
Free shipping • 1–3 business days (Ontario and Quebec)In stockOntario & Quebec delivery focusSpecs, fitment notes, and FAQ on page
Best fit if you want
- Warm weather driving where dry and wet road grip matter more than winter traction.
- Drivers who already switch to dedicated winter tires when temperatures drop.
Double-check if you need
- Quebec winter tire compliance or cold weather winter driving.
- A one tire year round setup for Ontario or Quebec.
| Buying option | What to compare |
|---|---|
| Lowest sticker price tires | Check shipping, stock status, delivery timing, and whether the final landed cost is still lower after checkout. |
| XYZTires.com | Assist with fitment context, Ontario/Quebec free delivery, and product specific FAQ. |
Quick Specs
- Size: 315/40R18
- Brand / Model: Nitto NT555RII
- Season: Summer
- Vehicle Type: Passenger
- Load / Speed: 102W (Load index 102 supports up to 850 kg per tire; speed rating W rated up to 270 km/h)
- Certifications: —
- Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
315/40R18 Nitto NT555RII Summer
The Nitto NT555RII is a D.O.T. compliant competition drag radial tire designed for the weekend drag racer who wants better performance with out using a second set of tires. With added flexibility and large grooves for wet handling on your way to the drag strip and a high-grip compound for superior traction at the starting line, the NT555II has you covered.
What these tire specs mean
- Load Index 102 is the tire’s standardized carrying capacity, supporting up to 850 kg per tire. Use it to confirm the tire meets or exceeds the load rating listed on your vehicle placard.
- Speed Rating W indicates the tire’s maximum sustained speed capability under proper load and inflation. This is approximately 270 km/h under proper load and inflation.
- UTQG 100 A A is the manufacturer treadwear, traction, and temperature grading system. It is useful for comparing tires from the same brand, but it should not be treated as an exact mileage promise.
- Summer tires are built for warm weather grip and should not be used as winter tires in Ontario or Quebec cold weather conditions.
- Vehicle Type helps identify whether the tire is intended for passenger, light truck, commercial, or similar service categories.
How this tire is positioned
315/40R18 Nitto NT555RII is positioned as a summer tire built around a 315 mm section width and 18-inch wheel fitment.
In practical terms, this size combines a 40-series sidewall of about 126 mm with a 18-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature wise, this tire indicates load index 102 and speed rating W (~270 km/h), UTQG 100 A A when provided by the manufacturer.
About the 315/40R18 tire size
The 315/40R18 size breaks down as follows:
- 315 — tread width in millimetres
- 40 — sidewall height as a percentage of tread width (approx. 126 mm)
- R18 — fits a 18-inch rim
The 315/40R18 size is commonly found on full size SUVs and light trucks. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.
Key features — Nitto NT555RII in 315/40R18
- UTQG: 100 A A — treadwear, traction, and temperature grading to help compare similar tires.
- Load/Speed: 102W — load index 102 supports up to 850 kg per tire, while speed rating W is rated up to 270 km/h.
- Size: 315/40R18 (fits an 18-inch wheel).
- Season category: Summer.
Vehicles that commonly use 315/40R18 tires
Examples from our vehicle fitment lookup include:
- 2021–2022 Dodge Challenger
- 2018 Dodge Challenger
Find tires for your vehicle
Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:
Shop more tires — Ontario & Quebec delivery
Frequently asked questions — 315/40R18 Nitto NT555RII Summer
What does the 315/40R18 tire size mean?
The 315/40R18 size indicates a tread width of 315 mm, a sidewall ratio of 40% (approximately 126 mm tall), and a 18-inch rim diameter. This size is commonly found on full size SUVs and light trucks.
Is the 315/40R18 Nitto NT555RII a Summer tire?
Yes — the 315/40R18 Nitto NT555RII is categorized as a Summer tire.
What does the 102W rating mean on the 315/40R18 Nitto NT555RII?
On the 315/40R18 Nitto NT555RII, the service description 102W indicates a load index of 102 and a speed rating of W (approximately 270 km/h). The load index is the tire’s standardized carrying capacity, while the speed rating is the maximum sustained speed under proper load and inflation. Always match or exceed your vehicle manufacturer’s required load and speed ratings.
Is the 315/40R18 Nitto NT555RII 3PMS rated?
No — the 315/40R18 Nitto NT555RII is not listed as 3PMS rated.
Is the 315/40R18 Nitto NT555RII studdable?
This tire, 315/40R18 Nitto NT555RII is not studdable. Contact us for any questions.
Does the 315/40R18 Nitto NT555RII support run flat driving?
No — the 315/40R18 Nitto NT555RII is not a run flat.
Is the 315/40R18 Nitto NT555RII an XL (extra load) tire?
No — the 315/40R18 Nitto NT555RII is not an XL (extra load) tire.
What does speed rating W mean on the 315/40R18 Nitto NT555RII?
Speed rating W on the 315/40R18 Nitto NT555RII corresponds to a maximum sustained speed of approximately 270 km/h under full load. Always obey posted speed limits regardless of tire rating.
Can I order the 315/40R18 Nitto NT555RII with delivery to Ontario or Quebec?
Yes — XYZTires ships the 315/40R18 Nitto NT555RII to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).
Why buy the 315/40R18 Nitto NT555RII from XYZTires if another tire looks cheaper?
A lower sticker price is only one part of the tire purchase. Compare the final delivered cost, shipping time, stock status, fitment details, and whether the tire category matches how you drive. XYZTires focuses on clear Ontario and Quebec delivery details, product specifications, and fitment context so you can compare the real delivered value, not just the first price you see.
Other available sizes — Nitto NT555RII
- 305/40R18 — $485.00 (In stock)
