The Lemon Index

All cars · Acura RDX

2018 Acura RDX.

The 2018 Acura RDX is one of the most reliable years by owner complaints: 18 complaints in its first 3 years and a Lemon Index of 28, where 100 is the average car. Owners complain most about transmission & drivetrain, it has 1 recall, and it gets 22 to 23 mpg combined. It's the best Acura RDX year we track.

28Lemon Index · 100 = average car

One of the most reliable. 3.6× fewer complaints than average.

Worst year 2020

Acura RDX
Photo shows a 2019 Acura RDX. Kevauto, Wikimedia Commons · CC BY-SA 4.0 · background removed

Before you buy. What matters most for this car.

Owner complaints18first 3 years
Fuel economy22–23 mpgcombined, EPA
Crash test★★★★★NHTSA overall

How serious. Out of 77 owner complaints, owners reported:

5crashes
3injuries
0fires
5tows

What owners complain about most. From owner complaints to the government.

transmission & drivetrain17%
speed control17%
engine17%
body structure17%
brakes11%

Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.

Transmission problems in every Acura RDX year →

When owners reported problems. From owner complaints to the government.

half by 6K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 2K to 25K miles on the car (19 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

Recalls 1

  • fuel system, gasoline 2023

    The fuel pump inside the fuel tank may fail.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems Acura told dealers about

Acura sent dealers 56 repair notes for this car. The ones about its biggest problems:

  • Engineering request for investigation - American Honda Motor Co., Inc
  • Dealer Message - Torque converters may not have been manufactured to proper specifications
  • Service Bulletin - The timing belt area chirps after the engine warms up

Ask a seller or mechanic if these were done. Some are free under warranty or a special program.

Safety

Stability controlStandard
Collision warningOptional
Lane departure warningOptional
NHTSA front crash test of the 2018 Acura RDX
Front crash test · NHTSA
Crash test details
VersionOverallFrontSideRollover
Acura RDX SUV AWD★★★★★★★★★★★★★★★★★★★☆
Acura RDX SUV FWD★★★★★★★★★★★★★★★★★★★☆
Fuel cost and engines

About $3450–3600 a year in fuel (EPA estimate). Engines: 3.5L 6-cyl.

In owners' words

While cornering the car stalls/hesitates with no power. Occurs at low speed.has occurred numerous times on city street since purchase oct.5,2017. Dealership could not simulate but failed to do any testing ?

2018 Acura RDX owner · NHTSA complaint 11120380

Quick answers

Is the 2018 Acura RDX reliable?

Yes, it is one of the most reliable by government complaints. It drew 3.6× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 28; 100 is average, lower is better).

What are the most common 2018 Acura RDX problems?

In owner complaints to the government, the parts named most are transmission & drivetrain (17%), speed control (17%) and engine (17%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2018 Acura RDX have?

1 safety recall (latest: fuel system, gasoline). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.

What gas mileage does the 2018 Acura RDX get?

22 to 23 mpg combined, depending on the engine (EPA estimate).

Is the 2018 Acura RDX safe?

NHTSA gave it 5 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.

Does the 2018 Acura RDX have transmission problems?

Transmission and drivetrain issues make up 17% of its owner complaints.

How much does the 2018 Acura RDX cost in fuel a year?

About $3450 to $3600 a year, by the EPA's current estimate.

What engines does the 2018 Acura RDX have?

3.5L 6-cyl.

Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data