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.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
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)