How much does it cost to replace spark plugs?

Based on Fixter’s repair and replacement data, we’ve found that the average spark plugs replacement cost (UK) ranges from £40 to £350.

The average cost of spark plug replacement balances out at £259

Can I carry out my spark plugs replacement myself?

In most cases, swapping over a set of spark plugs isn’t too complicated a procedure, if you’ve got the right tools for the job.

However, some of the larger engines require a lot of effort to get to those plugs, and if you’re not wholly confident in your ability, it’s always best to leave the work to a professional mechanic. You could do a lot more harm than good with even the slightest slip of the hand.

If you’re a competent DIY mechanic, there are plenty of instructional pages online that will show you how to change spark plugs.

What are spark plugs replacement costs at a dealership compared to Fixter garages?

Operation Vehicle Dealer Price Fixter Price Saving
Spark plugs replacement BMW 3 Series 1.6ltr Petrol £158 £137 16%
Spark plugs replacement Fiat 500 0.9ltr Petrol £71 £62 15%
Spark plugs replacement Ford Fiesta 1ltr Petrol £222 £188 18%
Spark plugs replacement Ford Focus 1.6ltr Petrol £73 £64 14%
Spark plugs replacement Mazda CX-5 2ltr Petrol £120 £106 13%
Spark plugs replacement Nissan Note 1.4ltr Petrol £209 £176 19%
Spark plugs replacement Toyota Aygo 1ltr Petrol £68 £59 15%
Spark plugs replacement Vauxhall Astra Twintop 1.6ltr Petrol £302 £256 18%
Spark plugs replacement Vauxhall Corsa 1.2ltr Petrol £215