2005 Honda Odyssey: what breaks, and at what mileage

What owners report breaking

Owners have reported 71 named failure modes on the 2005 Honda Odyssey, and the three most-reported carry 26% of everything filed, which is an unusually even spread for one model year.

Other body or interior problem leads with 115 reports, about 0.8 per 1,000 vehicles and with the middle half of reports between 42k to 142,500 miles.

Other engine problem follows with 96 reports, usually reported between 61k to 115,000 miles. 4 of those reports mention a fire.

Other powertrain problem follows with 58 reports, usually reported between 65k to 100,000 miles. 1 of those report mention a fire.

By system, the reports fall mostly into body (153), engine (124) and transmission (100).

How bad it is when it goes

Across the named modes, 19 mention a crash, 12 a fire and 21 an injury. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.

The average severity weight across every report on this year is 3.79, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.

What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: other body or interior problem at $200–$2,000, other engine problem at $300–$4,000, other powertrain problem at $400–$4,500 and air conditioning failure at $400–$2,800. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.

24% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.

How often, against how many were built

Scaled by an estimate of how many of these cars exist, the 2005 Honda Odyssey draws about 7.1 per 1,000 vehicles, which puts it in the 84th percentile of complaint rates among 2005 vehicles we can rate.

That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.

The working figure is 147,802 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2005 vehicles, which is what the risk score uses, is far more robust than the rate itself.

Recalls on the 2005 model year

NHTSA has issued 9 recall campaigns covering the 2005 Honda Odyssey, affecting an estimated 364,163 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.

The campaigns cover fuel system, gasoline:delivery:fuel pump, service brakes, hydraulic:foundation components:master cylin and structure:body:hatchback/liftgate:support device/strut. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.

Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.

Better and worse years of the same car

High risk for a 2005 — 168th riskiest of the 320 2005 vehicles we can rate. Because the ranking is against the same model year only, age cancels out of it.

Across the 31 model years of this car that carry enough reports to score, 1997 comes out best at 59 and 2018 worst at 79, with 2005 itself at 67.

If the model year is negotiable, 1997 and 1998 score lower than 2005 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.

Within the 2005–2008 generation specifically, 2005 is the strongest year at 67 and 2008 the weakest at 69.

What to look at before buying one

The mileages below are where the first quarter of reports for each mode had already been filed, which makes them the point at which a fault is worth looking for rather than the point at which it happens: other visibility problem from about 3k, loss of braking from about 6k, other brake problem from about 7k and other wheel or tire problem from about 15k.

On a 2005 Honda Odyssey with more miles than that on it, the useful question to put to a seller or a mechanic is whether other visibility problem has been dealt with, and if so with what parts and at whose expense. A car that has already had the repair is in a different position from one that has not.

None of this is a diagnosis. It is a list of what other owners of the same model year reported, ordered by when they reported it, which is a good place to point an inspection and a poor place to stop.

What this page cannot tell you

1,046 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.

Of those 1,046 reports, 846 carried an odometer reading, so the mileages here describe 81% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".

Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.

And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.