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CarComplaints.com Notes: Although it has a stellar record in terms of vehicle problems, initially the 4th generation (2003 - 2009) 4Runner didn't earn our top "Seal of Awesome" rating because it received poor crash test ratings for rear impacts. However it's proven to have one of the lowest driver death rates out of all vehicles (not just SUVs), so we've bumped it back up to our top award.

2.5

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
60,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 Toyota 4Runner fuel system problems

fuel system problem

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2006 Toyota 4Runner Owner Comments

problem #2

Jul 032021

4Runner

  • miles

A D V E R T I S E M E N T S

Frame is rusting apart Rear lower trailing arm section has already been patched by previous owner Upper trailing arm connection point to frame crossmember has perished due to rust If the other side breaks the rear axle can flex excessively causing control problems Toyota-€™s service campaign for other trucks should not have omitted the 4Runner which shares many identical design characteristics

- Philadelphia , PA, USA

problem #1

Jun 182019

4Runner

  • 120,000 miles
I purchased this vehicle used from a dealer in 2014 with low miles on it and it appeared to be in great shape. The undercarriage was sprayed with what I thought was a coating to protect against rust. I realize now the dealer was probably trying to hide the rust problems. The coating flaked off a short time later and ever since, I too have been plagued by the frame and other component rust problems. Had to replace the exhaust, running boards, sway bar and several other things that all rusted off on the undercarriage. My skid plates are about to fall off next. Just had my brakes replaced and the shop noticed a couple areas where frame now has holes through it and says it likely won't pass state inspection which will be coming due soon. The rust problems with these 4runners seems like a big problem that Toyota should address. I'm going to have to put a bunch more money into fixing this vehicle or be left with a worthless piece of junk I can't drive and will be taking a big loss on.

- New Gloucester, ME, USA

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