CADILLAC CTS Spark plug replacement Cost
2007–2013 · Engine, Fuel & Emissions system
Typical range
$128–$500
Parts + labour
Labour hours
0.5–1.5h
At a typical garage
Spark plugs ignite the air–fuel mixture; worn plugs cause misfires, rough idle, poor fuel economy and difficulty starting. Most modern engines use iridium or platinum plugs with 60,000–100,000-mile intervals. CADILLAC CTS spark plug replacement costs $128–$500.
Typical parts included
- Spark plug
- Spark plug
What affects the price
- Copper vs iridium vs platinum plugs (iridium lasts longest)
- Number of cylinders
- Accessibility—some engines require intake manifold removal, adding significant labour
Common questions
How long does this repair take?
Spark plug replacement on a CADILLAC CTS typically takes 0.5–1.5 hours at a garage.
How often does this need to be done?
For a CADILLAC CTS, this is typically needed every 30,000 miles for copper plugs; every 60,000–100,000 miles for iridium or platinum plugs.
Other engine, fuel & emissions system repairs on the CADILLAC CTS
- ABS hydraulic unit replacement$468–$842
- ABS sensor replacement$193–$347
- ABS system bleeding$154–$277
- AC compressor clutch replacement$385–$693
- AC compressor replacement$413–$743
Spark plug replacement cost on similar cars
- BMW 5 Series Sedan$110–$198
- AUDI A6 Avant$100–$180
- MERCEDES BENZ E-Klasse and predecessors$100–$180
- VOLVO S80$110–$198
- SAAB 9-5$100–$180
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