2006 Toyota 4Runner Problems

Severe Issues

Real NHTSA owner complaints for the 2006 Toyota 4Runner. Part of Generation 4 — 2003–2009.

20052007
Complaints
518
per 10K Sold
50.3
US Sales
103,086
Crashes
34
Fires
3
Injuries
37
Fatalities
Recalls
5

Worst 2006 Toyota 4Runner Problems

Top 3 most-reported issues with average mileage at failure.

#1126 complaints

Body Structure

Avg mileage:126,136 mi
Crash-related:1
#263 complaints

Suspension Failures

Avg mileage:121,277 mi
Crash-related:3
#321 complaints

Airbags

Avg mileage:122,277 mi
Crash-related:6
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All Problems by Category

Every NHTSA complaint category for the 2006 Toyota 4Runner.

Body Structure
126
complaints
Crashes
1
Fires
Avg Miles
126,136
Suspension Failures
63
complaints
Crashes
3
Fires
Avg Miles
121,277
Airbags
21
complaints
Crashes
6
Fires
Avg Miles
122,277
Steering Defects
21
complaints
Crashes
2
Fires
Avg Miles
52,791
Brakes
19
complaints
Crashes
1
Fires
Avg Miles
110,581
Electrical Faults
17
complaints
Crashes
Fires
2
Avg Miles
105,075
Transmission / Drivetrain
16
complaints
Crashes
2
Fires
Avg Miles
79,322
Unintended Acceleration
15
complaints
Crashes
8
Fires
Avg Miles
76,550
Wipers & Visibility
13
complaints
Crashes
Fires
Avg Miles
131,163
Hydraulic Brakes
10
complaints
Crashes
1
Fires
Avg Miles
40,012
Driveline
9
complaints
Crashes
Fires
Avg Miles
27,833
Tire Defects
9
complaints
Crashes
Fires
Avg Miles
50,959
Engine Problems
7
complaints
Crashes
1
Fires
Avg Miles
120,498
Structure:Frame And Members
7
complaints
Crashes
1
Fires
Avg Miles
132,500
Structural Problems
5
complaints
Crashes
Fires
Avg Miles
98,733
Visibility:Windshield
5
complaints
Crashes
Fires
Avg Miles
14,410
Electronic Stability Control
4
complaints
Crashes
Fires
Avg Miles
Engine & Cooling
4
complaints
Crashes
Fires
Avg Miles
Gasoline Fuel System
4
complaints
Crashes
Fires
Avg Miles
Wheel Issues
4
complaints
Crashes
Fires
Avg Miles
Automatic Transmission
3
complaints
Crashes
2
Fires
Avg Miles
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
3
complaints
Crashes
Fires
Avg Miles
Structure:Frame And Members:Underbody Shields
3
complaints
Crashes
Fires
Avg Miles
Tires:Pressure Monitoring And Regulating Systems
3
complaints
Crashes
Fires
Avg Miles
Air Bags:Frontal
2
complaints
Crashes
1
Fires
Avg Miles
Engine And Engine Cooling:Engine
2
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System
2
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
2
complaints
Crashes
Fires
Avg Miles
Fuel System
2
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2006 Toyota 4Runner. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2006 Toyota 4Runner

5 NHTSA recall campaigns affecting ~2,116,237 vehicles.

16V396000Seats:front Assembly:seat Heater/cooler
~7,749 affected

Southeast Toyota Distributors, LLC (SET) is recalling certain 2005-2011 4Runner, Highlander, Sequoia, and Sienna, 2005-2010 Avalon and Tundra, 2006-2008 Camry Solara, 2006-2010 Highlander hybrid, 2006-2011 Rav4 and Tacoma, 2007-2010 FJ Cruiser, 2007-2011 Camry hybrid, 2009-2010 Venza, 2010-2012 Prius, 1988-1990 and 2005-2010 Camry, and 1989 and 2009-2010 Corolla vehicles equipped with aftermarket accessory seat heaters with a copper strand heating element. The electrical wiring in the seat heaters may be damaged when the seat cushion is compressed.

16V065000Air Bags:side/window
~320,409 affected

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2003-2006 Toyota Land Cruiser and Lexus LX470, 2005-2006 Toyota Tundra and Sequoia, 2004-2006 Toyota 4Runner and Lexus GX470 vehicles equipped with side curtain-shield-air bags. The affected vehicles have an air bag control module that may be improperly programmed, causing the side curtain-shield-air bags to deploy inadvertently.

11V113000Vehicle Speed Control:accelerator Pedal
~1,363,244 affected

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 LEXUS LX570, 2003 THROUGH 2009 TOYOTA 4RUNNER, AND 2006 THROUGH 2010 RAV4 VEHICLES. THE ACCELERATOR PEDAL CAN GET STUCK IN THE WIDE OPEN POSITION DUE TO ITS BEING TRAPPED BY AN UNSECURED OR INCOMPATIBLE DRIVER'S FLOOR MAT.

10V035000Equipment:other:labels
~271,417 affected

GULF STATES TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2010 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD BETWEEN SEPTEMBER 1, 2005 AND JUNE 2, 2008 WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

10V036000Equipment:other:labels
~153,418 affected

SOUTHEAST TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2011 PASSENGER VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

Other Toyota 4Runner Years

2006 Toyota 4Runner — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2006 Toyota 4Runner reliable?
Verdict: Severe Issues. The 2006 Toyota 4Runner has 518 NHTSA complaints, 34 crash-related, and 5 recall campaigns. The most common issue is Body Structure with 126 complaints. Source: NHTSA via VinItel.
What are common problems with the 2006 Toyota 4Runner?
Top reported problems: Body Structure (126 complaints, avg 126,136 mi); Suspension Failures (63 complaints, avg 121,277 mi); Airbags (21 complaints, avg 122,277 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2006 Toyota 4Runner?
The weighted average mileage at time of complaint is about 106,517 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2006 Toyota 4Runner?
NHTSA complaints for the 2006 Toyota 4Runner include 34 crash-related reports, 3 fire reports, 37 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2006 Toyota 4Runner have any recalls?
Yes — 5 NHTSA recall campaigns affecting an estimated 2,116,237 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2006 Toyota 4Runner?
Proceed with extreme caution. The 2006 Toyota 4Runner shows significantly more complaints than average for its class. If you're buying one, a pre-purchase inspection and a VIN history check are essential — skip them and you're gambling.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Toyota 4Runner reliability report with year-by-year comparison and generation analysis.

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