Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2025 GX550.
The 2025 Lexus GX550 is anchored by a 10-speed automatic transmission and returns EPA fuel economy ratings of 15 mpg city, 21 mpg highway, and 17 mpg combined, defining the model's baseline efficiency profile. Early owner feedback for this model year has been limited, with 12 total complaints filed and structure emerging as the most frequently cited area of concern, accompanied by two recalls. That low complaint volume positions the GX550 as a relatively clean entry in the lineup's reliability record, suggesting the 2025 model year is reaching the market without significant systemic issues.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses OE oil filter 90915YZZN3. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 90915YZZN3 |
| Engine air filter | 1780131141 |
| Fuel filter | 7702460370 alt 2321731080 |
| Spark plug | 9091901295 |
| Front wiper blades | 8522260310 alt 8521260280 |
| Thermostat | 1632670020 alt 1603170010 |
| Cabin air filter | 8713960030 alt 8713930110 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S10) |
| EPA city / highway / combined | 15 / 21 / 17 mpg |
| Drivetrain | 4-Wheel Drive |
| Recommended fuel | Premium Gasoline |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Owner complaints about the 2025 Lexus GX550 top in one area — the structure, 2 of 12 reports (17%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the structure pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 12 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
Showing 5 of 43 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| L-SB-0013-26 | 2026-05-29 | Engine | Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in… |
| L-SB-0042-25 Rev2 | 2026-05-05 | Power Train | Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when… |
| L-SB-0053-25 | 2026-02-21 | Service Brakes | Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model… |
| L-SB-0042-25 Rev1 | 2026-02-05 | Power Train | Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when… |
| L-SB-0030-24 Rev2 | 2025-12-15 | Structure | Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
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Cross-vehicle references for the kinds of data on this page.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 15 city / 21 highway / 17 combined mpg.