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Continental
Continental ContiSportContact 5 275/45ZR18 103(Y) - 03160050000
Continental ContiSportContact 5 275/45ZR18 103(Y) - 03160050000
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The Continental ContiSportContact 5 in 275/45R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 275/45R18 means
In the size 275/45R18, 275 is the section width in millimeters (10.83 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.74 inches, turning roughly 727 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 103 — a maximum load of 1,929 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 275/45ZR18 |
| Tire Type | Summer |
| Service Description | 103(Y) |
| Load Index | 103 |
| Speed Rating | (Y) |
| Load Range | SL |
| Section Width (mm) | 275 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 27.74 |
| Tread Depth (/32") | 9 |
| Treadwear | 280 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 280AA |
Frequently asked questions
What does 103(Y) mean on the Continental ContiSportContact 5?
103(Y) breaks down as load index 103 — rated for 1,929 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Continental ContiSportContact 5?
The Continental ContiSportContact 5 in 275/45R18 is a summer tire.
What are the treadwear and warranty ratings on the Continental ContiSportContact 5?
This tire carries a treadwear grade of 280, traction grade A, temperature grade A under UTQG.
Keep shopping
Browse Continental tires, see every Continental ContiSportContact 5 size, or view all tires at ThreePiece.us.
- BRAND:
- Continental
- Model:
- ContiSportContact 5
- Size:
- 275/45ZR18
- Aspect Ratio:
- 45
- Load Index:
- 103
- Load Range:
- SL
- Section Width:
- 275
- Service Description:
- 103(Y)
- Speed Index:
- (Y)
- Temperature:
- A
- Tire Rim Diameter:
- 27.74
- Tire Type:
- Summer
- Traction:
- A
- Tread Wear:
- 280
- Tread Depth:
- 9
- UQTG:
- 280AA
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