255/45R21 TYRES
2 tyres from 2 brands · From $364 per tyre
Best 255/45R21 Tyres for Every Budget
Top picks across three price tiers — find the right tyre quickly.
BEST SELLERS
MOST POPULARThe perfect balance of performance, durability, and value — our most popular choice
GREAT VALUE
LOWEST PRICEQuality tyres at the best prices — reliable performance without breaking the bank
What Does 255/45R21 Mean?
255
Width (mm)
The section width of the tyre in millimetres, measured from sidewall to sidewall.
45
Profile (%)
The aspect ratio — the sidewall height as a percentage of the tyre width.
R21
Rim Size (inches)
The diameter of the wheel rim this tyre fits, measured in inches.
255/45R21 Tyre FAQ
What vehicles use 255/45R21 tyres?
255/45R21 is a common size used across a wide range of passenger cars and SUVs. Check your vehicle's door placard or current tyre sidewall to confirm.
How much do 255/45R21 tyres cost in NZ?
255/45R21 tyres at Hyper Tyres start from $363.99 for budget options. We stock 2 options across all budget levels with our 10% price beat guarantee.
Can you fit 255/45R21 tyres at my home in Auckland?
Yes — Hyper Tyres offers Auckland-wide mobile tyre fitting from $19.99 per tyre. Order your 255/45R21 tyres online, choose Mobile Fitting at checkout, and we'll come to your home or workplace at a time that suits you.
How long does delivery take for 255/45R21 tyres?
Orders placed before 3pm ship same day from our Penrose store. Delivery to your nearest installer takes 1–3 business days. Home delivery is available for $14.99/tyre with a 2–4 business day timeframe.
What does 255/45R21 mean?
255/45R21 breaks down as: 255mm section width, 45% aspect ratio (sidewall height as a percentage of width), and R21 means it fits a 21-inch rim. This is printed on the sidewall of your current tyres.