Complete Oil Specifications
Your 2023 Hyundai i20 1.0 T-GDI requires 0W-20 full synthetic oil meeting API SN Plus (confirm the exact ACEA/Hyundai grade against your market’s owner’s manual).
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API/ACEA Rating | API SN Plus (exact ACEA/Hyundai grade per market owner’s manual) |
| Capacity (with filter) | 3.8 quarts |
| Oil Filter | Hyundai 26300-03000 (also 26300-02502 / 26300-02503 / 26300-03001 depending on production date) |
| Normal Interval | 10000 miles or 1 year |
Why 0W-20 Matters for This Turbo Engine
The G3LE is Hyundai’s small-displacement turbocharged direct-injection 3-cylinder, used in this generation of i20. The ultra-low-viscosity 0W-20 fill is calibrated for fast cold-flow to the turbocharger bearings and direct-injection fuel system on startup while minimizing internal friction for fuel economy.
Using incorrect oil will:
- ❌ Slow oil delivery to the turbocharger bearings on cold starts if a thicker oil is used
- ❌ Increase carbon buildup on intake valves and injectors in this direct-injection engine
- ❌ Reduce fuel economy versus the oil this engine was calibrated for
Hyundai-Approved Oil Brands
-
✅ Hyundai Genuine 0W-20
-
✅ Castrol Edge 0W-20
-
✅ Mobil 1 ESP X2 0W-20
-
✅ Liqui Moly Top Tec 6200 0W-20
-
✅ Total Quartz 9000 Future 0W-20
Confirm the exact approval code against your market’s owner’s manual before buying — Hyundai’s oil requirements can vary by production date and market.
Severe Service Check
You need the 5000-mile interval if you:
- Drive mostly short trips under 5 miles
- Frequently drive in stop-and-go city traffic
- Experience extreme hot or cold temperatures
- Drive on dusty or unpaved roads
Installation Details
Drain Plug Torque: 25 ft-lbs (35 Nm)
Do not overtighten — the aluminum oil pan threads can strip.
OEM Filter: Hyundai 26300-03000 (also 26300-02502 / 26300-02503 / 26300-03001 depending on production date)
Aftermarket Filters:
- Mann-Filter W 7023
Pro Tip: The G3LE 1.0 T-GDI is part of the same Hyundai/Kia small-car engine family as the Kia Ceed’s 1.0 T-GDI (G3LC/G3LE), so filter parts are widely available and interchangeable — but always confirm the exact engine code by VIN, since Hyundai/Kia used both G3LC and G3LE across different production runs.
FAQs
What oil does a 2023 Hyundai i20 1.0 T-GDI take?
0W-20 full synthetic oil meeting API SN Plus — confirm the exact ACEA/Hyundai grade against your market’s owner’s manual.
How many quarts does it need?
3.8 quarts with a new filter, 3.5 without.
Can I use 5W-30 instead?
Not recommended without checking your specific manual — Hyundai’s official capacity/viscosity chart for this generation specifies 0W-20, and a thicker oil reduces the fuel-economy benefit this small turbo engine is tuned for.
Is this the same engine as the Kia Ceed’s 1.0 T-GDI?
It’s the same G3LC/G3LE engine family shared across Hyundai/Kia’s small-car lineup, but confirm the exact engine code and oil spec by VIN since the two models can use different builds.
How often should I change the oil?
Every 10000 for normal driving, or every 5000 for severe service.
Last verified: 2026-07-14 | Source: 2023 Hyundai i20 Owner’s Manual (engine code, viscosity, and capacity corrected against Hyundai’s own capacity chart and MANN-FILTER fitment data; exact ACEA/API grade still needs market-specific confirmation)