NHTSA has 77 owner complaints on file for the 2018 Acura RDX[1]. The biggest groups point to the fuel system, the power train and the engine[2][3][4].
Most reported problems
Here is how the complaints on file split up by part of the car.
- Fuel/propulsion system. 17 complaints[8]. In the stories we read, owners describe warning lights, a fuel leak, a car that lurches when stopped, and long waits for a repair part.
- Fuel system, gasoline. 17 complaints[2]. Owners describe being told a repair part was not yet available, and one owner describes the car losing power on the highway.
- Power train. 12 complaints[3]. Owners describe rough, jerky shifting that came back after a software update, and a car that rolled while parked.
- Engine. 11 complaints[4]. Owners describe the car hesitating or stalling with no power, and a car that would not start after refueling.
- Electrical system. 8 complaints[9].
- Speed control. 7 complaints[10].
- Unknown or other. 7 complaints[11].
- Brakes. 4 complaints[12].
Recalls
Newest first. Each recall covers only certain vehicles, so not every 2018 RDX is necessarily included.
- Fuel System, Gasoline › Delivery › Fuel Pump (23V858), December 2023. About 2,490,460 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, stalling. Dealers do the repair free of charge.[13]
Fuel economy
EPA ratings depend on the engine and drive. Annual fuel cost uses EPA's current fuel price assumptions, not prices when the car was new.
Safety ratings
Engine and size
Horsepower is the rating listed for EPA test vehicles.
| Engine | Horsepower |
|---|---|
| 2018 Acura RDX with 3.5L 6-cylinder[16] | 279 hp |
How 2018 compares with other years
Show the numbers
| Model year | Complaints | Recalls |
|---|---|---|
| 2007 | 53 | 2 |
| 2008 | 33 | 3 |
| 2009 | 15 | 2 |
| 2010 | 22 | 2 |
| 2011 | 16 | 2 |
| 2012 | 15 | 2 |
| 2013 | 162 | 3 |
| 2014 | 244 | 3 |
| 2015 | 415 | 3 |
| 2016 | 41 | 2 |
| 2017 | 79 | 1 |
| 2018 | 77 | 1 |
| 2019 | 440 | 5 |
| 2020 | 348 | 5 |
| 2021 | 116 | 3 |
| 2022 | 31 | 2 |
| 2023 | 24 | 2 |
| 2024 | 12 | 2 |
| 2025 | 30 | 1 |
| 2026 | 1 | 0 |
NHTSA's counts for the RDX show 77 complaints and 1 recalls for 2018[5]. Among the 20 model years listed, 12 have fewer complaints than 2018 and 7 have more[5]. The fewest complaints are for 2026 (1) and the most are for 2019 (440)[5]. These counts are not adjusted for sales, so treat them as a rough guide. The chart above shows every year.
Should you buy a used 2018 RDX?
The 2018 RDX has 77 complaints on file with NHTSA, and 1 recall in our records[5]. Fuel system complaints lead the list, followed by the power train and the engine[2][3][4]. These are unverified owner reports and are not adjusted for how many cars were sold[1]. If you are shopping for one, check that the recall repair was done and test drive it for smooth shifting and steady power.
Frequently asked questions
- What are the most common problems with the 2018 Acura RDX?
- Owners name the fuel system most often, then the power train and the engine[2][3][4]. See the problems section for each group.
- Has the 2018 Acura RDX been recalled?
- Yes, our records show 1 recall[5]. The Recalls section on this page lists it.
- How many complaints does the 2018 Acura RDX have?
- NHTSA has 77 owner complaints on file[1]. They are unverified reports from owners.
- What gas mileage does the 2018 Acura RDX get?
- See the fuel economy section on this page for the EPA figures.
- Is the 2018 Acura RDX reliable?
- Complaints are spread across several parts of the car[1]. Check the problems section and the by-year comparison to judge for yourself.
Keep exploring
Other model years of the Acura RDX
Compare all model years of the Acura RDX
Similar cars from 2018: small suvs
Facts and sources
- NHTSA has 77 owner complaints on file for the 2018 Acura RDX (5 mention a crash, 0 a fire, 3 injuries, 0 deaths reported). NHTSA vehicle records
- 17 complaints name the fuel system, gasoline component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 12 complaints name the power train component group (0 crashes, 0 fires, 1 injuries). NHTSA vehicle records
- 11 complaints name the engine component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- Owner complaints and recalls for every Acura RDX model year (chart above). NHTSA recall database
- EPA rating for RDX FWD, 3.5L 6-cyl, Automatic (S6), Premium, Front-Wheel Drive: 20 city / 28 highway / 23 combined MPG; EPA estimated annual fuel cost $3,550. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, SUV AWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 4 stars; rollover risk 15.5%. NHTSA vehicle records
- 17 complaints name the fuel/propulsion system component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 8 complaints name the electrical system component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 7 complaints name the speed control component group (1 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 7 complaints name the unknown or other component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 4 complaints name the brakes component group (1 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- Recall 23V858, filed December 18, 2023: Fuel System, Gasoline › Delivery › Fuel Pump. NHTSA recall database
- EPA rating for RDX AWD, 3.5L 6-cyl, Automatic (S6), Premium, All-Wheel Drive: 19 city / 27 highway / 22 combined MPG; EPA estimated annual fuel cost $3,750. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, SUV FWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 4 stars; rollover risk 16.4%. NHTSA vehicle records
- EPA Test Car List, 2018 Acura RDX with 3.5L 6-cylinder: rated 279 hp. www.epa.gov