# Nitto NT421A – High-Performance All-Season Tire Engineered for drivers who demand reliable performance in diverse conditions, the Nitto NT421A delivers confident handling and a smooth, quiet ride. Designed for passenger cars, sporty coupes, and performance sedans, this all-season tire balances aggressive styling with everyday comfort. Whether you're navigating city streets or cruising on the highway, the NT421A offers strong wet and dry traction, thanks to its optimized tread pattern and advanced rubber compound. It’s built to provide consistent performance throughout its lifespan, making it a smart long-term investment. Looking for a tire that handles rain-covered roads and dry pavement with equal confidence? The NT421A delivers dependable grip year-round, without sacrificing ride quality. Want a tire that wears evenly and supports responsive handling? Its rigid shoulder blocks and stabilized tread design help promote even wear and sharper steering response..
| Brand | Nitto |
| Model | NT421A |
| Dimension | 235/55 R18 104V XL |
| Tyre width | 235 |
| Tyre profile | 55 |
| Construction type | R |
| Tyre size | 18 |
| Tyre load index | 104 |
| Speed index | (V) |
| With/Without Valve (TT/TL) | Tyre requires tube |
| M/C | No |