Acura RLX oil specs by year
The Acura RLX (2014–2020) uses 4.5 qt of 0W-20 oil across all 7 model years covered here for the primary engine. Select a year below for the full record with filter part numbers and source notes.
Multiple engine options: The Acura RLX was offered with 2 engine options across its history.
Open the exact year page and select your engine to see the correct capacity and viscosity for your vehicle.
| Year | Capacity | Oil type | Filter | Page |
|---|---|---|---|---|
| 2020 | 4.5 qt | 0W-20 | AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2019 | 4.5 qt | 0W-20 | AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2018 | 4.5 qt | 0W-20 | AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2017 | 4.5 qt | 0W-20 | AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2016 | 4.5 qt | 0W-20 | PG4612; AMSOIL EA15K13; AMSOIL EA15K01 Verified fit | Open record → |
| 2015 | 4.5 qt | 0W-20 | Purolator L14610; CHAMP / LUBER-FINER PH2867; AMSOIL EA15K13 Verified fit | Open record → |
| 2014 | 4.5 qt | 0W-20 | AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
Acura RLX oil spec changes by year
Oil specs remained consistent across the 2014–2020 model years covered here. The primary engine uses 4.5 qt of 0W-20 throughout this range. Always open the exact year page and confirm the source notes before buying.
Capacity
4.5 qt
Same across all 7 listed years
Oil type
0W-20
Same across all 7 listed years
Filter brands
AMSOIL, Purolator, K&N
In checked records — open year page for part numbers
- 2015: engine option “3.5L V6 Hybrid” added.
- 2015: engine option “3.5L V6” removed.
Acura RLX oil — frequently asked questions
- What oil does the Acura RLX take?
- The Acura RLX takes 4.5 qt of 0W-20 oil across the 2014–2020 model years covered here. Always open the exact year page and confirm in your owner's manual before buying.
- Is the oil capacity the same for all Acura RLX years?
- Yes. All 7 Acura RLX model years covered here use 4.5 qt as the primary engine capacity. Confirm in your owner's manual before buying.
- Does the Acura RLX have different oil specs for different engines?
- Yes. The Acura RLX has been offered with multiple engine options (3.5L V6, 3.5L V6 Hybrid). Each engine can have a different oil capacity and viscosity. Open the exact year page, select your engine, and confirm specs before buying.
- What oil filter fits the Acura RLX?
- The most recent checked year lists AMSOIL EA15K13; AMSOIL EA15K01; AMSOIL EA15K02 as a compatible oil filter for the Acura RLX. Filter part numbers can change across model years — open the exact year page for the source-checked part number for your year.
Look up a specific Acura RLX year
Select a model year to open the exact checked oil fitment record before ordering.