2017 Lexus RX.
The 2017 Lexus RX is one of the most reliable years by owner complaints: 45 complaints in its first 3 years and a Lemon Index of 39, where 100 is the average car. Owners complain most about brakes, it has 3 recalls, and it gets 22 to 30 mpg combined. The best Lexus RX year is 2014.

Before you buy. What matters most for this car.
How serious. Out of 103 owner complaints, owners reported:
Every Lexus RX year. 2017 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
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.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 4K to 30K miles on the car (54 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 3
- fuel system, gasoline 2020
If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
- fuel system, gasoline 2020
Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS 300, LC 500, LS 500,…
- brakes 2018
During the manufacturing process, the oil galley in the rotor for the brake booster vacuum pump assembly may have been improperly machined possibly resulting in a sudden loss of brake assist.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Lexus told dealers about
Lexus sent dealers 237 repair notes for this car. The ones about its biggest problems:
- To minimize battery discharge during transportation and storage, the D/C Cut Fuse (10A) has…
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Government investigations
- ClosedPedestrian alert sounds2023
NHTSA looks into a problem when enough owners report it. Many end in a recall.
Safety

Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Lexus RX350 SUV FWD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Lexus RX350 SUV AWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Lexus RX450h SUV AWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Lexus RX450h SUV FWD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★★☆ |
Fuel cost and engines
About $2650–2900 a year in fuel (EPA estimate). Engines: 3.5L 6-cyl.
Quick answers
Is the 2017 Lexus RX reliable?
Yes, it is one of the most reliable by government complaints. It drew 2.6× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 39; 100 is average, lower is better). The best Lexus RX year by this measure is 2014.
What are the most common 2017 Lexus RX problems?
In owner complaints to the government, the parts named most are brakes (22%), speed control (16%) and engine (16%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2017 Lexus RX have?
3 safety recalls (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 2017 Lexus RX get?
22 to 30 mpg combined, depending on the engine (EPA estimate).
Is the 2017 Lexus RX 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.
At what mileage do 2017 Lexus RX problems start?
Half of the owners who gave a mileage reported the problem between 4,400 and 30,500 miles. The middle report was at 12,900 miles, from 54 complaints.
Does the 2017 Lexus RX have transmission problems?
Transmission and drivetrain issues aren't among its top 5 complaint areas.
How much does the 2017 Lexus RX cost in fuel a year?
About $2650 to $2900 a year, by the EPA's current estimate.
What engines does the 2017 Lexus RX have?
3.5L 6-cyl.
What Lexus RX year is better than the 2017?
By owner complaints per car sold, the best recent years are 2014, 2011 and 2012.
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