2014 Lexus RX450HRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 14 owner complaints for the 2014 Lexus RX450H. Most complaints involve service brakes (2) and air bags (2). The EPA rates it 28–29 mpg combined, and NHTSA gives it 4–5 stars overall.
Safety recalls
Owner complaints by component
- Service brakes2
- Air bags2
- Fuel/propulsion system2
- Service brakes, hydraulic1
- Structure1
- Tires1
- Power train1
- Lane departure1
- 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
Service brakes
“Vehicle: 2014 Lexus RX 450h Component: ABS / Brake Actuator System I am submitting this complaint regarding a safety-related brake system defect in my 2014 Lexus RX 450h. The vehicle experienced ABS/brake actuator failure consistent with a known defect that was previously addressed by Lexus/Toyota through a Customer Support Program (extended coverage program, not a recall). I was never notified of this program. I have confirmed that Lexus mailed notification to an incorrect address (Temple City), despite the fact that my vehicle registration address has never changed and has always been accurately maintained with the DMV. As a result, I was deprived of the opportunity to repair a known safety-related defect within the coverage period. Key facts: - Brake/ABS actuator system failure occurred at approximately 150,000 miles - Lexus had previously issued a Customer Support Program for this known defect - No notification was received by me during the coverage period - Lexus confirmed notices were sent to an incorrect address - My DMV registration address has remained unchanged I raised this issue directly with Lexus Customer Assistance, including escalation to a…”
Air bags
“Air bags did not deploy & yes it’s available for inspection. I was in an accident & the vehicle is totaled. Yes, has been inspected & confirmed they did not deploy by VA state police, tow company & insurance company USAA. There were no warnings or other symptoms.”
Fuel/propulsion system
“My car stalled in the middle of an intersection. It had to be towed to the Lexus dealer, where it was determined to be a fuel pump malfunction. My car was not subject to the fuel pump recall but it should have been.”
Engines, transmissions & drive
- EPA class
- Small Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD
- Engines
- 3.5L 6-cyl hybrid
- Transmissions
- Automatic (AV-S6)
- Drive
- Front-Wheel Drive · All-Wheel Drive
- Fuel
- Premium 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 |
|---|---|---|---|---|---|
| RX 450h Auto (AV-S6), 6 cyl, 3.5 L · Front-Wheel Drive | 31 | 28 | 29 | $2,600 | 301 |
| RX 450h AWD Auto (AV-S6), 6 cyl, 3.5 L · All-Wheel Drive | 29 | 27 | 28 | $2,700 | 312 |
- 29mpg comb.
- 28mpg comb.
NHTSA 5-Star Safety Ratings
- Frontal crash
- 4 of 5
- Side crash
- 5 of 5
- Side pole
- 5 of 5
- Rollover
- 4 of 5
- Rollover risk
- 16.4%
- Frontal crash
- 4 of 5
- Side crash
- 5 of 5
- Side pole
- 5 of 5
- Rollover
- 4 of 5
- Rollover risk
- 17.9%
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
2014 RX450H questions
How many recalls does the 2014 Lexus RX450H have?
0 recalls found in NHTSA data as of Nov 12, 2026.
What are the most common 2014 Lexus RX450H problems?
Owners filed 14 complaints with NHTSA. The most-cited components are service brakes (2), air bags (2), fuel/propulsion system (2). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 2014 Lexus RX450H get?
The EPA rates the 2014 Lexus RX450H at 28–29 mpg combined, depending on engine and drivetrain (2 versions rated).
How safe is the 2014 Lexus RX450H?
NHTSA's New Car Assessment Program gives the 2014 Lexus RX450H 4–5 out of 5 stars overall.