The Lemon Index
2002
20041st generation
About average · most complaints: tires
23 owner complaints, first 3 years 41 mpg combined, EPA
Similar cars, same year
2003 Chevrolet Cavalier 802003 Volkswagen Jetta 2252003 Nissan Sentra 61
Lemon Index: 100 = the average car, lower is better.
What breaks most on the 2003 Toyota Prius
- Steering rack / power steering12 complaintsmostly at 70,000–105,000 miles (113,000–169,000 km)
- Engine stalling9 complaintsmostly at 44,000–107,000 miles (71,000–172,000 km)
Specific parts named in the 99 owner complaints filed with NHTSA for the 2003 Toyota Prius (all dates). Miles = the odometer owners typed in (middle half); cost = the repair bills owners wrote in those same complaints, in U.S. dollars. Owners' reports, not confirmed defects.
When problems show up
Only 16 complaints listed a mileage: too few to say when problems show up.
Questions to ask the seller
- Were recall 11V304000 (steering) done? Ask for the dealer printout, or check the VIN.
- Any oil burning, leaks or check-engine lights? Ask for oil-change records.
- Any steering noise, wander or power-steering warning? Has the steering rack or pump been replaced?
- Toyota sent dealers 133 repair notes for this car. Was this one done: “Mil on condition if an abnormally low engine power output or failure”?
From this year's own recalls, top problems, top repair bills and Toyota's repair notes. Recall repairs are free at any dealer.
How serious. Out of all 23 owner complaints filed so far (every year since it was sold, not just the first 3), owners reported:
“Average car” = what the same number of complaints would include at the rate across every model year we track. Owners report these themselves; NHTSA doesn't confirm the cause.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
Check engine light on? Look up any code →
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 10K to 43K miles (16K to 71K km) on the car (16 of all 23 complaints filed so far listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
In owners' words
Unusual tire wear: front oem tires worn to cords at 5000 miles. Pressure kept at specified psi. Alignment checked and adjusted at 1,500 miles.
2003 Toyota Prius owner · NHTSA complaint 10023202
Fixes owners look up most.
From 200 YouTube videos · 1.8M views · 2001–2003 Toyota Prius
Most-watched topics
- Infotainment, battery & electrical198K views
Removing Toyota Prius 2001-2003 HV batteryTim Razumovsky · 120K views · 8 videos - Intake, EGR & engine sensors91K views
How To Replace a MAF Sensor on a 2003 Toyota Prius ( P3191 Code)sam1174 · 49K views · 2 videos - Fuel pump, filter & tank73K views
Toyota Prius 2001, Master Warning Light / Check Engine Light fuel pump problem ODB Code P3191John .Mitch · 66K views · 3 videos - Cooling system35K views
DIY How to change Prius Inverter Coolant Pump! On my Gen1 2003 Toyota Prius.RacecarAndChill · 20K views · 3 videos
Show 1 more
- Brakes & ABS17K views
2002 Prius brake pad and rotor repairWisco464 · 12K views · 2 videos
Before you buy, watch
2002 Toyota Prius Review, Walk Around, Start Up & Rev, Test Drivexoquixxoqafxo · 50K views
2002 Toyota Prius Hybrid Gas & Electric ReviewAuto Ad Builder · 50K views
2001 Toyota Prius review.Austin Kinser · 42K viewsViews show how many people looked up each fix, not how often it breaks. Videos belong to their creators; we link to them. The 2003 is the same generation.
Costs are the middle (median) of the dollar amounts people say out loud in these videos, so one wild number can't swing it. They aren't verified bills or sales; real prices depend on year, miles, condition and where you live. Tap Hear it to jump to the moment.
Problems Toyota told dealers about
Toyota sent dealers 133 repair notes for this car. The ones about its biggest problems:
- Mil on condition if an abnormally low engine power output or failure
- Unusual steering wheel vibration when the driver releases the steering wheel
- Accelerator pedal sensor assembly information regarding the inspection, removal, and…
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Recalls 1
- Steering · recall issued 2011
TOYOTA IS RECALLING CERTAIN MODEL YEAR 2001 THROUGH 2003 PRIUS PASSENGER CARS MANUFACTURED FROM JANUARY 28, 2000, THROUGH MAY 30, 2003.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Canada? See recalls at Transport Canada
Government investigations
- ClosedPedestrian alert sounds2023
NHTSA looks into a problem when enough owners report it. Many end in a recall.
Safety
Crash stars (older test): front ★★★☆☆ · side ★★★☆☆ · rollover ★★★★☆
Fuel cost and engines
About $1,550 (USD) a year in fuel (EPA estimate at U.S. prices, 15,000 miles or 24,000 km a year). Engines: 1.5L 4-cyl.
Every Toyota Prius year. 2003 is highlighted. Lower is better.
Newest year first. Red = worse than average, gray = about average, too new (2023+: a partial score, marked “partial”) or too few complaints to score. #1, #2… = that year's YouTube rank among the 24 Toyota Prius years with enough videos (#1 = the year owners and reviewers talk about most positively). It is not a reliability rank.
Embed this chart
Put this chart on your site, blog or forum. Free, with the credit line built in; the 2003 bar is highlighted.
<iframe src="https://lemonindex.com/embed/cars/toyota-prius/?y=2003" title="Toyota Prius reliability by model year (The Lemon Index)" width="100%" height="767" style="border:0;max-width:720px" loading="lazy"></iframe><p style="font-size:13px;margin:4px 0 0">Data: <a href="https://lemonindex.com/cars/toyota-prius/2003/">Lemon Index</a> (2003 Toyota Prius reliability)</p>Quick answers
Is the 2003 Toyota Prius reliable?
About average by government complaints. It drew a bit more than the average car's complaints filed with NHTSA in its first 3 years, per car sold (Lemon Index 115; 100 is average, lower is better). The Toyota Prius year with the fewest complaints per car sold since 2010 is 2021.
What are the most common 2003 Toyota Prius problems?
In owner complaints to the government, the parts named most are tires (39%), engine (17%) and steering (13%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2003 Toyota Prius have?
1 safety recall (latest: steering). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2003 Toyota Prius get?
41 mpg combined, depending on the engine (EPA estimate).
Does the 2003 Toyota Prius have transmission problems?
Transmission and drivetrain issues aren't among its top 5 complaint areas.
How much does the 2003 Toyota Prius cost in fuel a year?
About $1,550 a year, by the EPA's current estimate.
What engines does the 2003 Toyota Prius have?
1.5L 4-cyl.
What Toyota Prius year is better than the 2003?
No year within 3 model years of it drew fewer complaints. Across every year, 2021 drew the fewest (less than a sixth as many complaints as the average car).
The Lemon Index counts owner complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model years (100 = average, lower is better). It measures complaints, not crash safety. A complaint is an owner's report, not a confirmed defect. How it works