2018 Acura Rlx: Recalls, Problems & MPG
Here are the deets on the 2018 Acura Rlx: 1 recall, 6 owner complaints and up to 23 mpg combined.
Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Fuel system Vehicle recall #23V858000 · 2023 · 2,490,460 vehicles
What's wrong: Honda (american Honda motor Co.) is recalling certain 2013-2023 Honda accord, civic coupe, civic sedan, civic hatchback, civic type r, cr-v, hr-v, ridgeline, odyssey, Acura ilx, mdx, mdx hybrid, rdx, rlx, tlx, 2019-2022 Honda insight, passport, 2020 Honda cr-v hybrid, 2018-2019 Honda clarity phev, fit, and 2015-2020 Honda accord hybrid, pilot, Acura nsx vehicles. The fuel pump inside the fuel tank May fail.
Why it matters: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
The fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Engine (2): no single recurring theme in the descriptions.
- Engine & cooling (2): no single recurring theme in the descriptions.
- Electrical (2): no single recurring theme in the descriptions.
- Fuel system (1): no single recurring theme in the descriptions.
The 2018 Acura Rlx has 6 owner complaints, ranking #4 of 7 Rlx model years for complaints (well below the 16 average). Complaints peaked in 2026 (3 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 92,000 miles. Neighboring years: 2017 (3 complaints, 0 recalls), 2019 (0 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.5 L 6-cyl | Automatic (S10) | Front-Wheel Drive | 20 | 29 | 23 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Acura Rlx.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2018 Acura Rlx have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2018 Acura Rlx. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Acura Rlx problems?
Owners have filed 6 complaints with NHTSA. The most-reported areas are engine (2), engine & cooling (2), electrical (2).
What gas mileage does the 2018 Acura Rlx get?
EPA ratings run up to 23 mpg combined (3.5 L, Automatic (S10)), across 1 engine and transmission combos.
Where can I get a 2018 Acura Rlx repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.