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2023 Hyundai Tucson
2023 Tucson Smartstream G2.5 GDI firing order is 1-3-4-2. The engine table prints four in-line cylinders. It does not print a plug gap or a part number.
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2023 Tucson Owner's Manual NX4a, engine specifications. The introduction copyright line is 2022. (opens in a new tab), Hyundai Motor America, published 2022-11-14, read 2026-10-15.
Numbers on this page come from the cited source. Match the engine before you use a capacity or a torque. Do not work under a vehicle held only by a jack.
None listed
The engine table prints the firing order. It does not print a plug number, a gap, or a removal procedure.
| Item | Figure | Where it comes from |
|---|---|---|
| Smartstream G2.5 GDI | Firing order 1-3-4-2. Displacement 152.4 cu. in. (2,497 cc). Bore x stroke 3.5 x 4 in. (88.5 x 101.5 mm). Four cylinders, in-line. | Engine table |
Smartstream G2.5 GDI
Firing sequence from the 2023 Tucson owner's manual engine table. Sequence only.
Illustration, not to scale; confirm with your owner's manual. This is the firing sequence only. It does not show where each cylinder sits on the engine.
Source for this drawing: 2023 Hyundai Tucson Owner's Manual NX4a, Engine table, Smartstream G2.5 GDI.
The engine table lists firing order 1-3-4-2 for the Smartstream G2.5 GDI. The next column says 4, in-line.
Displacement is 152.4 cu. in. (2,497 cc) and bore x stroke is 3.5 x 4 in. (88.5 x 101.5 mm). A plug gap, a brand, and a part number are not in that table.
This sequence is read from the NX4a engine table, not copied from the 2022 Tucson page. The engine-compartment illustration is not redrawn.
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Tool
None listed
The engine table prints the firing order. It does not print a plug number, a gap, or a removal procedure.
Engine table in the 2023 Tucson owner's manual (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.