Oil
- Viscosity
- 0W-20
- Oil type
- Full Synthetic
- Capacity (with filter)
- 4.2 qt
- Capacity (without filter)
- 3.8 qt
OEM notes: API SP
2018 Hyundai Elantra Oil Change
Everything you need to change the oil on your 2018 Hyundai Elantra — specs, parts, and step-by-step instructions.
Changing the oil on your 2018 Hyundai Elantra yourself saves money and keeps your engine running strong. Your Hyundai Elantra takes 0W-20 Full Synthetic with a 4.2-quart capacity. Below you'll find the exact specs, compatible filters, drain bolt size, and links to buy everything you need on Amazon.
Oil
0W-20
Full Synthetic
Buy on Amazon →
Capacity
4.2 qt
with filter
Drain plug
17 mm
35 Nm torque
Filter
26300-35505
Hyundai (OEM)
Buy on Amazon →
OEM spec: API SP
Filter options
Drain bolt & hardware
- Socket size
- 17 mm
- Thread size
- M14x1.5
- Torque spec
- 35 Nm
- Gasket type
- Crush washer
Notes: 6th gen AD (2.0L Nu I4)
Complete Oil Change Kit
Find bundled oil + filter kits for the 2018 Hyundai Elantra on Amazon — everything in one box.
Tools & supplies you'll need
Step-by-step guide
Detailed walkthrough with tips for first-timers.
Read guide →How often to change oil
Intervals, severe service, and what your car needs.
Read guide →Synthetic vs. conventional
Which oil type is right for your engine and budget.
Read guide →Know the specs for this vehicle?
Help fellow DIYers — submit oil specs from your owner's manual.
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