[Civicfan01]

Hello out there,
omitting the price tag and focusing just to technical specifications. Is there anything why ACEA C3 oils should not be used for cars without DPF or catalyzer? I selected C3 because it has the same HTHS requirements as A3/B3/B 4.

example:
I have the 8G diesel version. and I use Shell Helix Diesel Ultra 5W-30, API CF, ACEA B3/B 4-98, VW 505.00, BMW Longlife01, MB 229.3

and looking around I found Shell Helix Ultra Extra, ACEA A3/B 4/C2/C3, VW 504.00/507.00, BMW LongLife-04, MB 229.51

Comparing the specification ACEA C3 vs. A3/B 4:

• HTHS viscosity ;cP ; ≥ 3.5; ≥ 3.5
• Sulphated Ash ;%wt; ≤ 0.8; ≤ 1.6
• Phosphorus ;%wt; ≥ 0.070 and ≤ 0.090; Report
• Sulphur ;%wt; ≤ 0.3; Report
• Evaporation loss ;%; ≤ 13; ≤ 13
• Total Base Number ;mgKOH/g; ≥ 6; ≥ 8.0

Kinematic viscosity SHELL HELIX ULTRA DIESEL 5w-30 68.2 (40), 12.2 (100)-> SHELL HELIX ULTRA EXTRA 5w-30 67.9, 11.8

In fact the ultra extra is cheaper compared to ultra diesel I hope that my question is not too confusing.

regards,
Martin

Just sold my 2009 2.2 civic after 10years ownership. My car hand book stated 5w30 A5. I serviced it with that every 10k. Had it 10yr with no engine issues. It was solid.
Only sold because of a god awful squealing from the drivers front which wasn't the brakes as changed discs, pads, calipers, bottom arm, drop links and leg and still doing it.
Got a 1.6 CRV now

But regarding the engine if the civic on A5 oil. It was fine