2015 Lexus NX300HRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 28 owner complaints for the 2015 Lexus NX300H. Most complaints involve fuel/propulsion system (5) and service brakes (4). The EPA rates it 31–32 mpg combined, and NHTSA gives it 5 stars overall.
Safety recalls
Owner complaints by component
- Fuel/propulsion system5
- Service brakes4
- Air bags4
- Power train4
- Engine4
- Fuel system, gasoline2
- Visibility/wiper2
- Service brakes, hydraulic1
- Electrical system1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
What owners report most
Fuel/propulsion system
“While I was driving on the highway in cruise control, my car suddenly broke the cruise setting, slowed down, and the check engine light turned on. I pulled over and the car would not accelerate to over about 15-20 mph. I made it to an auto center, where they informed me that the reader said there was an issue with one of the fuel pumps. I am aware that there is a recall on fuel pumps in this model of vehicle and I believe that I experienced this defect.”
Service brakes
“the incident occurred at about [XXX] a.m. on [XXX] on [XXX] south near Chattanooga at approximately mile marker [XXX]. I was traveling in the left lane (of two) with a tractor trailer directly adjacent to me in the right lane. The dash cam confirms my speed was 70 mph and I was slowly passing the tractor trailer, with a car approximately 4 car lengths in front and another car approximately 4 car lengths behind. When my car passed over a small road seam (evident in the video) my brakes immediately locked up with no input from me (confirmed by EDR data). The car started to veer into the right lane and I corrected the car to the left, at which point the car began to rotate while on the highway, continued into the median, and after a 360 degree rotation came to rest and shut off automatically. This occurred the day after I had a comprehensive 120,000 mile inspection done by Lexus. Lexus has been almost completely unresponsive despite having had 2 technicians examine the car. I was told I would hear from Lexus by October 8th, it is now November 3. I commissioned forensic engineers to evaluate the Event Data Recorder and their conclusions are as follows: 1. The EDR…”
Air bags
“Brakes locked up while driving on the freeway, causing collision with another car and freeway guard rail. CHP report taken. AAA auto insurance does not seem interested in investigating manufacturing defect problems/issues. No dashboard warning/maintenance lights illuminated”
Engines, transmissions & drive
- EPA class
- Small Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD
- Engines
- 2.5L 4-cyl hybrid
- Transmissions
- Automatic (AV-S6)
- Drive
- Front-Wheel Drive · All-Wheel Drive
- Fuel
- Regular Gasoline
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
EPA fuel economy by version
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| NX 300h Auto (AV-S6), 4 cyl, 2.5 L · Front-Wheel Drive | 34 | 30 | 32 | $1,950 | 274 |
| NX 300h AWD Auto (AV-S6), 4 cyl, 2.5 L · All-Wheel Drive | 33 | 30 | 31 | $2,000 | 280 |
- 32mpg comb.
- 31mpg comb.
NHTSA 5-Star Safety Ratings
- Frontal crash
- 4 of 5
- Side crash
- 5 of 5
- Side pole
- 4 of 5
- Rollover
- 4 of 5
- Rollover risk
- 16.1%
- Frontal crash
- 4 of 5
- Side crash
- 5 of 5
- Side pole
- 4 of 5
- Rollover
- 4 of 5
- Rollover risk
- 16.0%
Maintenance basics
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
2015 NX300H questions
How many recalls does the 2015 Lexus NX300H have?
0 recalls found in NHTSA data as of Nov 10, 2026.
What are the most common 2015 Lexus NX300H problems?
Owners filed 28 complaints with NHTSA. The most-cited components are fuel/propulsion system (5), service brakes (4), air bags (4). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 2015 Lexus NX300H get?
The EPA rates the 2015 Lexus NX300H at 31–32 mpg combined, depending on engine and drivetrain (2 versions rated).
How safe is the 2015 Lexus NX300H?
NHTSA's New Car Assessment Program gives the 2015 Lexus NX300H 5 out of 5 stars overall.