Sign inCreate free garage
Research · Large Cars

2003 Lexus LS430Recalls, problems, MPG & safety

NHTSA lists 0 safety recalls and 25 owner complaints for the 2003 Lexus LS430. Most complaints involve structure (9) and air bags (3). The EPA rates it 19 mpg combined.

Check a VINAdd to my garage
Combined MPG
19mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
25
Top: structure
Fuel cost / yr
$4,050est.
EPA estimate, best version
01 —Recalls

Safety recalls

NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2003 Lexus LS430 as of Nov 8, 2026.
Data from NHTSA Recalls API · synced Nov 8, 2026NHTSA vehicle page
02 —Complaints

Owner complaints by component

25 complaints filed with NHTSA · Aug 2002 – Aug 2017
  1. Structure9
  2. Air bags3
  3. Vehicle speed control3
  4. Engine and engine cooling2
  5. Tires2
  6. Latches/locks/linkages1
  7. Service brakes, hydraulic1
  8. Wheels1
  9. Power train1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each LS430 model year we’ve synced.

View as table
Model yearNHTSA complaints
200152
200242
200325
200436
200526
200617
Crashes reported
3
Fires reported
0
Injuries reported
11
Deaths reported
0
Data from NHTSA Complaints API · synced Nov 8, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Structure

9 reports
“TRUNK STRUTS FAILED TO HOLD THE TRUNK IN AN OPEN POSITION, CAUSING THE TRUNK TO FALL AND INJURE A PERSON. MULTIPLE TIMES. TRUNK WAS PROPERLY OPENED AND RAISED TO A FULL OPEN POSITION. *TR”
Owner complaint to NHTSAFiled Oct 2, 2011StructureODI 10428196

Air bags

3 reports1 crash
“TAKATA RECALL”
Owner complaint to NHTSAFiled Aug 15, 2017Air bagsODI 11015548

Vehicle speed control

3 reports1 crash
“TL* THE CONTACT OWNS A 2003 LEXUS LS430. THE CONTACT STATED THAT WHILE ENTERING INTO A PARKING SPACE WITH HER FOOT ON THE BRAKE AT 5 MPH, THERE WAS SUDDEN ACCELERATION AND THE VEHICLE CRASHED INTO A BUILDING. NO ONE WAS INJURED AND THE VEHICLE WAS DESTROYED. THE POLICE WERE CALLED AND A REPORT WAS FILED (#2771757). THE DEALER WAS CONTACTED WHO OFFERED NO ASSISTANCE. PRIOR TO THE ACCIDENT, THERE WAS AN ELECTRIC FAILURE. THE DEALER WAS CALLED WHO STATED UNLESS THE VEHICLE CONTINUED TO HAVE THE FAILURE, SHE COULD BRING IT IN, BUT IF THERE WAS NO MORE FAILURE SHE DID NOT HAVE TO BRING THE VEHICLE IN. THE INSURANCE COMPANY WAS CONTACTED. THE MANUFACTURER WAS CONTACTED AND OFFERED NO OTHER ASSISTANCE. THE FAILURE MILEAGE WAS 78,000.”
Owner complaint to NHTSAFiled Jun 7, 2011Vehicle speed controlCrash reportedODI 10405437
All 2003 LS430 problemsSend a problem to a mechanic on findmechanic.ai
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 8, 2026
04 —Key specs

Engines, transmissions & drive

1 version rated by the EPA
EPA class
Large Cars
Engines
4.3L 8-cyl
Transmissions
Automatic 5-spd
Drive
Rear-Wheel Drive
Fuel
Premium Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Nov 8, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
LS 430
Auto 5-spd, 8 cyl, 4.3 L · Rear-Wheel Drive
172319$4,050468
  • LS 430
    Auto 5-spd, 8 cyl, 4.3 L
    17 city · 23 hwy · $4,050/yr
    19
    mpg comb.
Estimate your fuel costCost of ownership
Data from EPA fueleconomy.gov · synced Nov 8, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2003 Lexus LS430 as of Nov 8, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 8, 2026Vehicle 4724
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat 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
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2003 LS430 questions

How many recalls does the 2003 Lexus LS430 have?

0 recalls found in NHTSA data as of Nov 8, 2026.

What are the most common 2003 Lexus LS430 problems?

Owners filed 25 complaints with NHTSA. The most-cited components are structure (9), air bags (3), vehicle speed control (3). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2003 Lexus LS430 get?

The EPA rates the 2003 Lexus LS430 at 19 mpg combined, depending on engine and drivetrain (1 version rated).

Data from NHTSA & EPA · synced Nov 8, 2026