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Dunlop Sport Maxx RT2 225/40ZR18XL 92(Y) - 57001190
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DUNLOP
SKU:
57001190
|
- UPC:
- 00848983038135
- Availability:
- Y
$ 724.20 set | $181.05 each
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OUT OF STOCK 
- Width:
- 9.10 (in)
- Height:
- 25.10 (in)
- Depth:
- 25.10 (in)
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Looking for a 225/40R18 summer tire? The Dunlop Sport Maxx RT2 is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 225/40R18 means
In the size 225/40R18, 225 is the section width in millimeters (8.86 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 90.0 mm (3.54 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 25.09 inches, turning roughly 804 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 92 — a maximum load of 1,389 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 225/40ZR18XL |
| Tire Type | Summer |
| Service Description | 92(Y) |
| Load Index | 92 |
| Speed Rating | (Y) |
| Load Range | XL |
| Section Width (mm) | 225 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 25.1 |
| Tread Depth (/32") | 10 |
| Treadwear | 300 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 300AAA |
Frequently asked questions
What kind of tire is the Dunlop Sport Maxx RT2?
The Dunlop Sport Maxx RT2 in 225/40R18 is a summer tire.
What are the treadwear and warranty ratings on the Dunlop Sport Maxx RT2?
This tire carries a treadwear grade of 300, traction grade AA, temperature grade A under UTQG.
What does 92(Y) mean on the Dunlop Sport Maxx RT2?
92(Y) breaks down as load index 92 — rated for 1,389 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
Shop all 225/40R18 tires, browse Dunlop tires, see every Dunlop Sport Maxx RT2 size, or view all tires at ThreePiece.us.
- BRAND:
- Dunlop
- Model:
- Sport Maxx RT2
- Size:
- 225/40ZR18XL
- Aspect Ratio:
- 40
- Load Index:
- 92
- Load Range:
- XL
- Section Width:
- 225
- Service Description:
- 92(Y)
- Speed Index:
- (Y)
- Temperature:
- A
- Tire Rim Diameter:
- 25.1
- Tire Type:
- Summer
- Traction:
- AA
- Tread Wear:
- 300
- Tread Depth:
- 10
- UQTG:
- 300AAA
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