How many miles will a 2003 Lexus RX 300 last?
Half of the 19 NHTSA owner complaints on the 2003 Lexus RX 300 that list mileage came after 69,000 miles. NHTSA's complaints file of November 11, 2026 holds 25 complaints on this model year; each mileage is the odometer when an owner reported a safety problem, not how long the vehicle lasted.
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See what the paid report includes →Of the 19 complaints on the 2003 Lexus RX 300 that list mileage, half came after 69,000 miles; 8 came after 100,000 miles, 3 after 150,000 and 1 after 200,000. With fewer than 20 mileages, the median is the only percentile given.
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How many miles will a 2003 RX 300 last?
The 19 mileages owners gave run from 14,070 to 320,000 miles, and half are at or under 70,000. With fewer than 20 mileages this page gives the median only: the other percentiles are too few to say. 8 came after 100,000 miles, 3 after 150,000 and 1 after 200,000.
These mileages say when owners reported a problem, not when a 2003 RX 300 wears out. NHTSA's file holds only vehicles whose owners complained; one that ran without a problem never appears in it, so it gives no lifespan and no cutoff, and how a vehicle was maintained matters more than any one odometer reading.
| Measure | Value |
|---|---|
| Lowest mileage listed | 14,070 miles |
| 25th percentile | Too few to say |
| Median (50th percentile) | 70,000 miles |
| 75th percentile | Too few to say |
| 90th percentile | Too few to say |
| Highest mileage listed | 320,000 miles |
| Complaints after 100,000 miles | 8 of 19 |
| Complaints after 150,000 miles | 3 of 19 |
| Complaints after 200,000 miles | 1 of 19 |
Every model year together: Half of the 555 NHTSA owner complaints on the Lexus RX 300 that list mileage came after 103,000 miles (NHTSA complaints file of November 11, 2026). How many miles will a Lexus RX 300 last? →
Common problems with the 2003 RX 300
NHTSA's file holds 25 owner complaints on the 2003 Lexus RX 300. Owners named the powertrain most often: 7 complaints, and half of the 6 that list a mileage came after 78,000 miles. A complaint can name more than one component.
| Component (NHTSA category) | Complaints | Listing mileage | Median mileage |
|---|---|---|---|
| Power Train | 7 | 6 | 78,926 |
| Vehicle Speed Control | 5 | 5 | 38,000 |
| Air Bags | 3 | 2 | Under 5 mileages |
| Electrical System | 3 | 3 | Under 5 mileages |
| Engine And Engine Cooling | 3 | 2 | Under 5 mileages |
Of the 25 complaints, 5 report a crash, none reports a fire and 3 report an injury (3 people reported injured). These are owners' reports to NHTSA, not findings.
Is the 2003 RX 300 a good year?
Complaint counts cannot say whether the 2003 is a good or a bad RX 300: they rise with how many were sold and how long they have been on the road. They show how the 2003 compares with the other model years in NHTSA's file.
With 25 complaints, the 2003 drew the fewest of the 5 Lexus RX 300 model years from 1999 to 2003 with 10 or more complaints. The most: the 1999 (221).
Recent model years have had less time to collect complaints, so their counts are still growing. No year is ranked by mileage here, because a year's median mileage mostly follows its age.
| Model year | Owner complaints | Listing mileage | Median mileage |
|---|---|---|---|
| 1999 RX 300 | 221 | 148 | 103,671 |
| 2000 RX 300 | 216 | 162 | 103,500 |
| 2001 RX 300 | 169 | 152 | 108,000 |
| 2002 RX 300 | 88 | 74 | 94,000 |
| 2003 (this page) | 25 | 19 | 70,000 |
2003 Lexus RX 300 recalls
NHTSA's recall files of November 11, 2026 list 3 recall campaigns that name the 2003 Lexus RX 300 (0 vehicle campaigns and 3 equipment or tire campaigns that name this model year, often for aftermarket parts). A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.
What these figures can and cannot tell you
- Complaints are owners’ reports to NHTSA. NHTSA publishes them without verifying them: a complaint is an allegation, not a defect finding.
- The mileage is what the owner wrote on the complaint; NHTSA does not check it against the odometer.
- The make, model and model year are the ones on the complaint. NHTSA records them as filed, so a few complaints sit under a model year the name was not sold in.
- They are not a lifespan study. The file holds only vehicles whose owners reported a problem, so these figures do not say how long a typical 2003 RX 300 lasts.
- A complaint count rises with how many vehicles were sold and how long they have been on the road, so it is not a rating of the 2003 RX 300.
- Nothing here describes one vehicle: its title brands, odometer readings, accidents and open recalls are in the records for its own VIN.
- 6 of the 25 complaints on the 2003 Lexus RX 300 give no usable mileage (blank, zero, a filler such as 999999, or over 500,000) and are left out of every mileage figure.
- NHTSA name counted: RX300. NHTSA files some vehicles under several names (a series name and a trim name, for example); this page counts only this one.
- Recall-file name matched: RX300.
Primary sources behind this page
Open the underlying public source and verify that its scope matches the question you are asking.
- NHTSA complaints flat file (FLAT_CMPL.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Complaints file field layout (CMPL.txt)National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_PRE_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_POST_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Recalls file field layout (RCL.txt)National Highway Traffic Safety Administration
- NHTSA recall and complaint datasets: scope and documentationNational Highway Traffic Safety Administration
- Recalls Lookup by VINNational Highway Traffic Safety Administration
NHTSA’s complaints file was downloaded on November 11, 2026 (FLAT_CMPL.txt, dated 2026-11-11 10:15, 2,265,416 rows), with its recall files (FLAT_RCL_PRE_2010.txt and FLAT_RCL_POST_2010.txt, dated 2026-11-11 08:02). Each complaint is counted once, by its NHTSA number, with the model year and mileage of its first row; a model year has a page only with 10 or more complaints. The collection script and its rules are in scripts/collect-nhtsa-model-year-longtail.mjs.
2003 Lexus RX 300 questions
How many miles will a 2003 Lexus RX 300 last?
Half of the 19 NHTSA owner complaints on the 2003 Lexus RX 300 that list mileage came after 69,000 miles. Of the 19 complaints on the 2003 Lexus RX 300 that list mileage, half came after 69,000 miles; 8 came after 100,000 miles, 3 after 150,000 and 1 after 200,000. With fewer than 20 mileages, the median is the only percentile given. These are mileages at a reported problem, not a lifespan: the file holds no 2003 RX 300 that never had one.
What are the most common 2003 Lexus RX 300 problems?
NHTSA's file holds 25 owner complaints on the 2003 Lexus RX 300. Owners named the powertrain most often: 7 complaints, and half of the 6 that list a mileage came after 78,000 miles. A complaint can name more than one component. Of the 25 complaints, 5 report a crash, none reports a fire and 3 report an injury (3 people reported injured). These are owners' reports to NHTSA, not findings.
Is the 2003 Lexus RX 300 a good year?
Complaint counts cannot say whether the 2003 is a good or a bad RX 300: they rise with how many were sold and how long they have been on the road. They show how the 2003 compares with the other model years in NHTSA's file. With 25 complaints, the 2003 drew the fewest of the 5 Lexus RX 300 model years from 1999 to 2003 with 10 or more complaints. The most: the 1999 (221).
How many recalls does the 2003 Lexus RX 300 have?
NHTSA's recall files of November 11, 2026 list 3 recall campaigns that name the 2003 Lexus RX 300 (0 vehicle campaigns and 3 equipment or tire campaigns that name this model year, often for aftermarket parts). A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.
How do I check a used 2003 Lexus RX 300 before buying?
Take the 17-character VIN from the vehicle and compare the odometer with the readings on file for it: title transfers, inspections and auction sales record the mileage on the day. VIN Lookup (free-vin-lookup.com) sells the original ClearVIN PDF for $14.99 (3 reports for $29.99, 5 for $44.99): odometer readings, title brands and auction records on file for the VIN. Check the VIN before buying a used 2003 Lexus RX 300.