Complete Oil Specifications
Your 2023 Kia Ceed 1.0 T-GDI’s owner’s manual specifies 5W-30 full synthetic oil meeting ACEA A5/B5 — though some dealer/technical guidance instead points to 0W-30 or 0W-20 ACEA C2 for this engine, so confirm the exact grade for your specific VIN before buying.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 5W-30 |
| ACEA Rating | ACEA A5/B5 per Kia owner’s manual — some dealer/technical guidance instead cites 0W-30 or 0W-20 ACEA C2; confirm by VIN |
| Capacity (with filter) | 3.8 quarts |
| Oil Filter | Kia 26300-03000 (also 26300-02502 / 26300-02503 / 26300-03001 depending on production date) |
| Normal Interval | 10000 miles or 1 year |
Why the Right ACEA Grade Matters for This Turbo Engine
The G3LC/G3LE is a small-displacement turbocharged direct-injection 3-cylinder shared across the Hyundai/Kia lineup. Whichever grade your specific car requires, the low-SAPS chemistry protects the turbocharger’s bearings under high-RPM load while keeping the gasoline particulate filter clean and controlling carbon buildup on direct-injection intake valves.
Using incorrect oil will:
- ❌ Accelerate turbocharger bearing wear under sustained high-RPM driving
- ❌ Increase carbon buildup on intake valves and injectors in this direct-injection engine
- ❌ Deposit ash in the particulate filter, triggering warning lights
Kia-Approved Oil Brands
-
✅ Kia Genuine 5W-30
-
✅ Castrol Edge 5W-30 C3
-
✅ Mobil 1 ESP Formula 5W-30
-
✅ Liqui Moly Top Tec 4200 5W-30
-
✅ Total Quartz 9000 Energy 5W-30
Kia’s guidance on this engine has not been fully consistent between the owner’s manual (5W-30 ACEA A5/B5) and some dealer technical bulletins (0W-30/0W-20 ACEA C2) — confirm the current requirement for your specific VIN with a Kia dealer before buying oil.
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: Kia 26300-03000 (also 26300-02502 / 26300-02503 / 26300-03001 depending on production date)
Aftermarket Filters:
- Mann-Filter W 7023
Pro Tip: The G3LC 1.0 T-GDI is shared across the Hyundai/Kia small-car lineup (including the Hyundai i20), so oil and filter parts are widely available and interchangeable.
FAQs
What oil does a 2023 Kia Ceed 1.0 T-GDI take?
5W-30 full synthetic oil meeting ACEA A5/B5 per the owner’s manual — but confirm by VIN, since some Kia technical guidance instead specifies 0W-30 or 0W-20 ACEA C2 for this engine.
How many quarts does it need?
3.8 quarts with a new filter, 3.5 without.
Can I use 5W-40 instead?
Not recommended — it’s not the manufacturer-specified grade and reduces the fuel-economy benefit this small turbo engine is tuned for.
Is this the same engine as the Hyundai i20’s 1.0 T-GDI?
It’s the same G3LC/G3LE engine family shared across Hyundai/Kia’s small-car lineup, but the i20’s official spec (0W-20) differs from the Ceed manual’s 5W-30 — always confirm by VIN rather than assuming they’re identical.
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 Kia Ceed Owner’s Manual (filter confirmed via MANN-FILTER catalogue; oil viscosity/ACEA grade conflicts between manual and dealer guidance — needs VIN-specific confirmation)