Which Spark Plugs Are Better NGK Or Denso?

Does it matter what brand of spark plugs you use?

In other words, any brand of spark plug can be used in any vehicle make or model application assuming the plug has the correct dimensions, design and heat range.

The engine won’t know the difference.

If they don’t have a spark plug for the engine, there is a reason why..

Are Iridium spark plugs worth the money?

It is estimated that iridium spark plugs will last for at least 60,000 miles. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. … So, an investment in these spark plugs would surely be worth it for this. You may never actually have these spark plugs go bad on you.

Do Iridium spark plugs improve gas mileage?

Iridium spark plugs give you even better gas mileage, performance, reliability, and longevity than double-platinum plugs. … Iridium spark plugs are perfect to use on high-performance engines.

How do I know if my spark plugs need changing?

Here are seven symptoms that let you know it’s time to replace your spark plugs.The car is hard to start. … The engine misfires. … The car gets poor fuel economy. … Rough engine idle. … Your car struggles to accelerate. … The engine is really loud. … Your ‘check engine’ light is on. … Frequency of replacing spark plugs.

Which spark plugs are the best?

Editor’s Choice: DENSO Platinum TT Spark Plugs. … Bosch Automotive Double Iridium Spark Plugs. … E3 Automotive Spark Plug. … NGK Laser Iridium Spark Plug. … Champion Iridium Spark Plug. … Pulstar PlasmaCore Spark Plug. … CTA Tools Ramp-Type Spark Plug Gapper. … LEXIVON 5/8″ Swivel Magnetic Spark Plug Socket.More items…•

What are the best spark plugs for fuel economy?

Autolite HT15 Platinum High Thread Spark Plug. Motorcraft SP-515 Spark Plug. Bosch 4417 Platinum+4 FGR7DQP Spark Plug. Denso (4504) PK20TT Platinum TT Spark Plug. NGK 3403 G-Power Platinum Alloy Spark Plug. NGK 7090 BKR5EGP G-Power Spark Plug. NGK (5464) BKR5EIX-11 Iridium IX Spark Plug.More items…•

Are Iridium spark plugs better than platinum?

Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.

How good are Denso Iridium spark plugs?

Final Thoughts. In conclusion, both Denso and NGK iridium spark plugs are stable and unrivaled when it comes to longevity. … These iridium spark plugs may also cost 4 times more than platinum plugs but their specific features make them perfect for all types of vehicles and they require less maintenance.

What brand of spark plugs does Toyota use?

Genuine Toyota Double Platinum spark plugs, available for select Toyota models, offer several benefits: Platinum on both the center and ground electrodes reduces wear and provides a service life of up to 60,000 miles. Raised design provides excellent ignitability for a strong spark, smooth idle and optimum performance.

How long do Toyota spark plugs last?

For example, Toyota recommends changing the plugs every 120,000 miles on a Corolla, RAV4 or 4Runner, but every 60,000 miles on an 86 coupe, which was developed with Subaru and uses a Subaru engine.

Which is better NGK or AC Delco spark plugs?

They’ll both work great. The NGK will give you a strong FAT spark. Thats a good thing for squeezing everything out of your engine. But the AcDelco platinum will work just fine and last 100,000 miles no problem.

How long do Denso Iridium plugs last?

100,000 milesTested to last beyond 100,000 miles, with minimal loss to performance. Denso Long Life Iridium Plugs have iridium center and a platinum ground electrodes. If installed in a regular engine, they would likely last longer than most people keep their car (barring any motor problems that can cause premature plug death).

How often should you replace spark plugs?

about every 30,000 to 90,000 milesSpark plugs are somewhat durable components and don’t need to be replaced too often, that said, the general recommendation is about every 30,000 to 90,000 miles.

Is it worth buying expensive spark plugs?

If you want long-lasting plugs that will reduce the work you need to do replacing plugs and don’t mind paying extra for that luxury, yes. If you are designing an extremely high performance car where the plugs will be subjected to extreme conditions, they are probably a good idea.

What’s the best spark plugs for horsepower?

The advantages of high-end spark plugs The best spark plugs for horsepower are either made out of platinum or iridium, although spending a little more on iridium spark plugs can turn out to be a better investment in the long run.