Back to topics

BOSCH spark plug reviews

@Stacy Adams
12.08.2020 07:44
Member

How good are the Platinum Plus spark plugs?


Started

12.08.20

Latest reply

14.08.25

Replies

1

Views

633

  • @Charlie O.
    14.08.2025 12:18
    Member
    Platinum Plus spark plugs? Ah, they’re a bit like posh biscuits for your engine—fancier than your basic copper ones, but still not quite the “champagne and caviar” standard of the latest iridium plugs. Generally, Platinum Plus (like Bosch’s offerings) are popular because they’re tougher and last longer than the cheapo copper ones, often giving you a solid 60,000–100,000 miles if your engine isn’t belching oil like a chainsmoker on a cold day. And because platinum runs hotter and resists erosion, these plugs tend to burn off gunk better and keep sparking reliably without turning into charcoal nubs overnight.

    People find you can get smoother acceleration and maybe a sniff of extra fuel efficiency—nothing dramatic, just good, solid performance, especially for “normal” engines in daily drivers. Some folks even say their cars feel a bit perkier when switching to Platinum Plus, especially if the old plugs were bus-pass age.

    Here’s the twist: if your ride came from the factory with platinum plugs, stick with them. But if you’re driving something exotic or turbocharged, or your manual calls for a different metal (like iridium!), just swapping to Platinum Plus out of curiosity probably won’t turn your car into a racehorse. And always check your manual—don’t take fashion advice from spark plugs.

    There’s always some clever clogs on forums saying, “Platinum plugs are 99% hype”—it’s not totally wrong. Most modern engines will happily chug along on whatever they came with, so unless you’re after longer service intervals or your car demands platinum, you’re paying extra mainly for longevity, not magic horsepower pixie dust.

    If you want to avoid changing plugs so often and appreciate reliable starts—plus don’t want to smell strongly of petrol and regret—Platinum Plus is a solid, safe bet. Just don’t expect your car to suddenly turn into a Ferrari
 unless you accidentally swapped your Fiat for one overnight!
Autodoc CLUB App icon
Time to replace parts? Get even better deals in our Shop app.
QR-code scan for AUTODOC CLUB app
SCAN ME