Best Spark Plugs For Cadillac XT4

The Cadillac XT4 is a fine luxury SUV. It has a lot of features, huge passenger capacity, and lots of boot space in the back seats. However, there are a few issues with this vehicle. The acceleration is sluggish, and overall performance is disappointing. This Cadillac also falls behind in terms of interior and ride comfort when compared to similar luxury subcompact SUVs.

The XT4 is Cadillac’s smallest SUV, positioned below the XT5, XT6, and Escalade. It was introduced for the 2019 model year and measures between a subcompact and a compact luxury SUV in terms of size. The Acura RDX, Infiniti QX50, and Volvo XC40 are its closest rivals.

The 2021 Cadillac XT4 is a small-ish premium-crossover SUV. We say “ish” because it’s not as big as the compact Mercedes-Benz GLC-Class, for example, but slightly larger than the subcompact Mercedes-Benz GLA-Class.

The new XT4 isn’t a quantum leap over the last, but it does have a distinct advantage: It can split into two. The latest generation of Audi Q3 is larger than its forerunner, and the Mercedes-Benz GLB-Class has debuted.

The 2021 XT4 is positioned between price brackets, much like its precursor. This is another aspect of Cadillac’s attractiveness. The firm offers plenty of amenities, excellent suspensions, and what some may consider beautiful looks at a lower price than a comparable German rival.


2018 2019 2020 2021 2022 Cadillac XT4 Spark Plugs

OEM spark plug gap
Qty. needed
Change interval
Best spark plug
Popular choice
ACDelco GM Original Equipment 41-110 Iridium Spark Plug
508 Reviews
ACDelco GM Original Equipment 41-110 Iridium Spark Plug
  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
  • Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
  • One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage

Spark plugs light the fuel mix in an engine, which is responsible for propelling your car. It receives a spark from the modern vehicle’s electronic ignition or the distributor cap and rotor in older cars, which sits atop the cylinder head.

Conventional spark plugs will wear out with time, resulting in stalling, trouble to start, and engine misfires at around 30,000 miles to as high as 40,000 miles.

The cost difference between platinum and nickel-plated spark plugs may be significant, but it is important to remember that platinum-tipped spark plugs do not require replacement as often. At the same time, your oxygen sensor, spark plug wires, PCV valve, and fuel filter might all need to be replaced.

Last update on 2022-05-17 / Affiliate links / Images from Amazon Product Advertising API

Dan Hoffman

Dan is a co-founder of Engineswork. He knows everything about internal combustion engines. Ask your questions in comments down below this article - he will be glad to help you anytime.

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