# Spark Plugs Cost Guide in London — Average Prices & Ranges
_Last updated: 2026-10-05T07:43:17Z_

> For a London address, plan on $484 to $1,791 per job for spark plug replacement, with the midpoint near $931.

## Typical cost at a glance

| Level | Price |
| --- | --- |
| Low | ~$484 |
| Typical | ~$931 |
| High | ~$1,791 |

_Currency: USD, per job._

## Cost by type

| Type | Low | Typical | High |
| --- | --- | --- | --- |
| Full repair or service job | ~$484 | ~$1,138 | ~$1,791 |
| One-system fix | ~$97.00 | ~$389 | ~$681 |
| Shop diagnostic and written estimate | ~$19.00 | ~$90.00 | ~$161 |
| Dealer parts or performance upgrade | ~$702 | ~$2,097 | ~$3,492 |
| Tow-in or same-day turnaround | ~$605 | ~$1,780 | ~$2,955 |

## Timing your spark plug replacement

For spark plug replacement, same-day and after-hours call-outs sit at the top of the range. A standard appointment booked in advance gives you the best chance of the typical figure.

## Budgeting for spark plug replacement

The easiest way to budget for spark plug replacement is to anchor on $931 per job, then add or subtract for scope. Providers near you can tell you which end you are likely to hit.

## What moves the price of spark plug replacement

What pushes spark plug replacement toward the top of its range? Premium materials, awkward access, urgent scheduling, extra permits and disposal. Each is optional to a degree, and each should be itemised before you compare totals.

## Getting quotes for spark plug replacement

Get at least three written quotes for spark plug replacement before committing. Written quotes force providers to state scope, price and exclusions, which makes them directly comparable.

## What Spark Plugs typically costs

Plan around a $484–$1,791 per job band for spark plug replacement in London. A typical job is near $931, and the gap between the two ends is where scope, materials and timing do their work.

## How to compare quotes for spark plug replacement

Cheapest is not the same as best value for spark plug replacement. A slightly higher quote with a complete scope and no open-ended extras is often safer than the lowest figure with caveats.

## Frequently asked questions

### How much does spark plug replacement cost?

Most spark plug replacement falls between $484 and $1,791, with a typical figure near $931 per job. The low end is a straightforward job with no surprises; the high end covers complex scope, premium materials or urgent timing. It is worth testing that against a couple of quotes in London.

### What affects the price of spark plug replacement?

No single factor decides it — scope, materials, access and timing all move the total, and the biggest swings usually come from access and scheduling. Local providers in London can confirm how that applies to your area.

### Is Spark Plugs cheaper in smaller cities?

Often, but not always. Smaller markets can carry a travel or availability premium that offsets a lower local rate, so it is worth checking a nearby city before assuming the lowest published figure applies to you. In London, that is worth confirming with a local provider before you commit.

### How many quotes should I get for spark plug replacement?

Two or three written quotes are enough to see the real market range. Compare the same scope side by side, and ask each provider what is excluded and what would change the price after the quote is accepted. The answer can shift with the London market, so check locally.

## Keep comparing

- [Auto](/category/auto/)
- [Auto Repair](/london/auto-repair/)
- [Transmission Repair](/london/transmission-repair/)
- [Brake Service](/london/brake-service/)
- [Auto Painting](/london/auto-painting/)
- [CV Axles](/london/cv-axles/)
- [Ball Joints](/london/ball-joints/)
- [Hamilton](/hamilton/spark-plugs/)
- [Kitchener](/kitchener/spark-plugs/)
- [London](/london/spark-plugs/)
- [Ottawa](/ottawa/spark-plugs/)
- [Sudbury](/sudbury/spark-plugs/)
- [Thunder Bay](/thunder-bay/spark-plugs/)
- [Toronto](/toronto/spark-plugs/)
- [Windsor](/windsor/spark-plugs/)

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These are planning ranges drawn from public price data and market research. They are not a quote, an offer or financial advice, and your actual price depends on the provider, the location and the scope of the work.