PRODUCT DETAILS
HRC Formula R Full Synthetic Motor Oil - 0W-20 & 5W-20
Honda replaced Ultimate Full Synthetic with this, developed alongside Phillips 66, the same partner running oil in their IMSA program. It's a step up in specification from what came before, moving from GF-6 to GF-7A. If you've been buying Honda oil at the dealer counter, this is what's on the shelf now.
Do You Actually Need Honda's Oil?
Fair question and worth an honest answer.
GF-7A is an industry standard, not a Honda one. Any oil carrying that rating in the right viscosity meets the same performance requirements, and plenty of them cost less. Your engine isn't going to fail because you bought a different brand that meets spec.
So why buy this? A few reasons that hold up.
If your car is under warranty and you're doing your own changes, using the manufacturer's own oil removes any argument about whether your maintenance was correct. That's worth something.
If you're keeping service records on a car you plan to sell, Honda-branded oil on every receipt reads better than a mix of whatever was on sale.
And if you'd simply rather not think about it, buying what Honda specifies is the shortest path to knowing you got it right.
What we'd push back on is the idea that you need this specifically. You need a GF-7A oil in the correct viscosity, changed on time. This is one good way to get there.
The Interval Matters More Than The Brand
Here's where people actually go wrong with oil, and it isn't the bottle they picked.
Modern Hondas use a maintenance minder that calculates interval based on how you drive, and it's genuinely good at that. The problem is that people stretch past it, or they see a long interval and assume their driving is normal when it isn't.
Short trips, stop and go traffic, towing, track days, and cold climates all count as severe service. A turbocharged engine sitting hot after shutdown is harder on oil than a naturally aspirated one that cooled down gradually. If any of that describes your driving, change it sooner than the minder suggests.
An excellent oil run too long protects worse than an adequate oil changed on time. That's the part nobody selling oil wants to say.
0W-20 Or 5W-20?
Check your owner's manual or your oil cap, because Honda specifies one and they aren't interchangeable.
The first number is cold viscosity. A 0W-20 flows more readily at low temperature, which means faster circulation on a cold start. A 5W-20 is slightly thicker cold. Both behave the same once the engine is warm.
Most modern Hondas call for 0W-20. Some older applications specify 5W-20. Go by what your engine requires rather than assuming thinner is better, since the clearances were designed around a specific grade.
What GF-7A Actually Changed
The standard arrived in 2025 and it exists because small turbocharged direct-injected engines broke what came before.
The headline item is low-speed pre-ignition. LSPI is an abnormal combustion event that happens at low rpm and high load in these engines, and it can destroy a piston in a single occurrence. Oil chemistry is part of what prevents it, which is why the standard now tests for it specifically.
Beyond that, GF-7A tightens wear limits and improves protection for turbochargers, timing chains, and valvetrains, which are the components that suffer when oil breaks down. If you're running a 1.5T, 2.0T, or K20C, those are your engine's pressure points.
Formula R also meets API SQ, and it's backward compatible with older Honda engines calling for these grades.
Buy The Five Quart Pack
Most Honda and Acura four-cylinders take between four and five quarts, so a single quart doesn't finish the job for anyone doing a full change.
The five pack covers a complete change at a small discount over buying five individually. Single quarts are there for topping up between changes or for applications needing a sixth.
Doing A Full Change?
You'll want a filter and a fresh drain plug washer alongside the oil. Our oil change kits bundle the correct filter and washer for your car, which saves working out part numbers and ordering separately.
Fitment
Honda and Acura engines specifying 0W-20 or 5W-20.
0W-20: 08236-P99-AEQAJ
5W-20: 08236-P99-EEQAJ
Available by the quart or in five quart packs. Meets or exceeds API SQ and ILSAC GF-7A.
Who Should Grab This
This is for the owner who wants Honda's own oil in their Honda, whether that's for warranty peace of mind, clean service records, or simply not wanting to research it. It's a genuinely good full synthetic meeting the current standard. Confirm your viscosity, grab the five pack, and change it on time rather than on optimism.
Fits: Honda and Acura engines specifying 0W-20 or 5W-20. Part numbers: 08236-P99-AEQAJ (0W-20), 08236-P99-EEQAJ (5W-20). Type: full synthetic. Standards: API SQ, ILSAC GF-7A. Available as: single quart or five quart pack. Replaces: Honda Ultimate Full Synthetic.
Universal
(1) 1 Quart/947 mL Bottle