Our Top 5
2. Denso Iridium TT
3. Bosch Double Iridium
4. NGK Laser Platinum
5. Champion Copper Plus
Frequently Asked Questions
How much should spark plugs cost?
£5-12 each for quality iridium plugs, £2-5 for copper/platinum. A full set of 4 iridium plugs should cost £20-48.
Should I buy spark plugs from the dealer?
No need — the exact same NGK or Denso plug is available from Amazon, Euro Car Parts, or Halfords at a fraction of dealer prices.
How we check fitment for this guide
We cross-reference fitment figures against manufacturer specifications and OE-supplier catalogue data where available, and matched to the standard codes that actually govern fit — battery type/group sizes, wiper lengths and fitting types, bulb fitment codes, tyre size markings, and oil specifications. We work by make, model, year, engine, and build date, because a single model can take different parts across its life. Where the right part depends on your exact vehicle, we tell you to confirm by registration or VIN. More on our method →