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In-depth guide
2018 Kia Soul
2018 Soul spark-plug replacement is the maintenance schedule. No gap and no plug torque are printed in the pages read.
| Item | Figure |
|---|---|
| Interval | Iridium-coated plugs for the 1.6 T-GDI are on the 45,000 miles or 36 months checklist column. Iridium-coated plugs for the 1.6 GDI and the 2.0 GDI are on the 105,000 miles or 84 months column. No gap is printed. |
| What is not printed | No gap, no part number, no torque. |
Source: owner's manual / last verified 2026-10-16 (2018 Kia Soul owner's manual, maintenance schedule (opens in a new tab)).
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2018 Kia Soul owner's manual, maintenance schedule (opens in a new tab), Kia Motors America, published 2017-04-06, read 2026-10-16.
Spark-plug socket
A size is not printed. Do not guess one from another Kia.
| Item | Figure | Where it comes from |
|---|---|---|
| Interval | Iridium-coated plugs for the 1.6 T-GDI are on the 45,000 miles or 36 months checklist column. Iridium-coated plugs for the 1.6 GDI and the 2.0 GDI are on the 105,000 miles or 84 months column. No gap is printed. | Normal maintenance schedule |
| What is not printed | No gap, no part number, no torque. | Schedule and specifications pages that were read |
Iridium-coated plugs for the 1.6 T-GDI are on the 45,000 miles or 36 months checklist column. Iridium-coated plugs for the 1.6 GDI and the 2.0 GDI are on the 105,000 miles or 84 months column. No gap is printed.
No gap is printed.
Conditions A, B, H, I, and K. No mile figure is added.
2018 Soul owner's manual, Kia chassis file PS, U.S. English. The PDF file was created April 6, 2017. A separate printing line was not used. Oil intervals for the same engines are the engine oil guide.
Outbound links only. BaySheet does not sell parts. Confirm fitment on the retailer page. Amazon links are searches for a real part name plus this vehicle. Tool rows do not get a product search. The search is not a part number.
Part
Iridium spark plugs for a 2018 Kia Soul
Iridium-coated plugs for the 1.6 T-GDI are on the 45,000 miles or 36 months checklist column. Iridium-coated plugs for the 1.6 GDI and the 2.0 GDI are on the 105,000 miles or 84 months column. No gap is printed. No part number is printed.
2018 Soul maintenance schedule (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
Tool
Spark-plug socket
A size is not printed. Do not guess one from another Kia.
Iridium-coated plugs for the 1.6 T-GDI are on the 45,000 miles or 36 months checklist column. Iridium-coated plugs for the 1.6 GDI and the 2.0 GDI are on the 105,000 miles or 84 months column. No gap is printed.
Not printed in the pages read.
The maintenance checklist is on the site now. The email list is not sending yet, so this box will not store an address.
Same repair, different model year. Use the page that matches the truck or car in the driveway. A figure on one year is not a figure for the next.
These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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