Toyota 4Runner ReliabilityAll Years Ranked (1984–2025)
Side-by-side KeepScores, risk levels, and owner-cost projections for every Toyota 4Runner we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the 4Runner across generations.
Average KeepScore
89/100
Best Year
2022 Toyota 4Runner
Score 96
Weakest Year
1986 Toyota 4Runner
Score 78
Every Toyota 4Runner Ranked
Sorted by KeepScore. Each link opens the full year-specific report.
A legendary reliability leader that sacrifices modern creature comforts for unparalleled ruggedness and peace of mind.
Top risks: HVAC System (Blower Motor) · Infotainment System · Frame Rust & Corrosion
A bulletproof SUV that consistently outlasts its peers, provided you keep an eye on its Achilles' heel: the frame.
Top risks: Frame Rust and Underbody Corrosion · Air Conditioning System · Front Suspension Components
A truly bulletproof SUV, the 2019 4Runner is a testament to durability, ready to tackle anything you throw at it with minimal fuss.
Top risks: HVAC System · Front Wheel Bearings · Chassis & Exhaust Corrosion
An old-school SUV built like a tank, offering unrivaled reliability at the expense of modern refinement and fuel efficiency.
Top risks: Automatic Running Boards/Power Steps · Rear Hatch Window Motor/Regulator · Infotainment System
A truly bulletproof, go-anywhere SUV built for the long haul that prioritizes function and longevity above all else.
Top risks: Door Lock Actuator Failures · HVAC Blower Motor Noise · Minor Driveline Vibrations
A truly iconic and remarkably durable SUV that laughs at hard use, but demands vigilance against the ravages of time, particularly rust.
Top risks: Rust & Corrosion · Engine (22RE) Timing Chain Guides · Steering & Suspension Components
A nearly indestructible, go-anywhere SUV that offers incredible value if proactively maintained and thoroughly inspected for rust.
Top risks: Frame Rust and Corrosion · Lower Ball Joints (LBJs) · Timing Belt and Water Pump (V6 only)
A vintage adventurer, the 1998 4Runner delivers exceptional reliability and capability with proper preventative maintenance.
Top risks: Front Suspension & Steering · Chassis & Body Rust · Engine Accessory Leaks & Starter
A truly bulletproof SUV that demands respect for its age and a keen eye for rust.
Top risks: Front Suspension/Steering (Lower Ball Joints) · Frame/Underbody Rust · Automatic Transmission (A340F/E)
A legendary SUV that offers unparalleled reliability and capability, provided its Achilles' heel of frame rust and front suspension components are meticulously inspected.
Top risks: Chassis/Frame Rust · Front Lower Ball Joints · Starter Motor
An outstandingly reliable and capable SUV that demands a thorough pre-purchase rust inspection.
Top risks: Frame Rust and Corrosion · X-REAS Sport Suspension System · V8 Exhaust Manifold Bolts
A legendary SUV that delivers unparalleled long-term reliability, provided you find a rust-free example and address common emissions system wear.
Top risks: Frame and Undercarriage Rust · Secondary Air Injection (A.I.R.) System · X-REAS Sport Suspension System
A tank-like SUV that will outlast most anything on the road, provided you diligently check for frame rust.
Top risks: Frame Rust and Corrosion · Water Pump · Front Suspension Components
A go-anywhere, do-anything SUV that's built like a tank and engineered for extreme longevity.
Top risks: Frame Rust/Corrosion · Entune Infotainment System · Minor Suspension Wear Items
A legendary SUV that embodies reliability and ruggedness, demanding attention to frame integrity for true longevity.
Top risks: HVAC System (Blend Door Actuator) · Frame Rust and Underbody Corrosion · Infotainment System Glitches
A legendary SUV offering unparalleled mechanical durability, making it an outstanding long-term investment despite its old-school charm.
Top risks: Frame Corrosion · Kinetic Dynamic Suspension System (KDSS) · Water Pump
A bulletproof, old-school SUV that sacrifices modern amenities for unparalleled reliability and go-anywhere capability.
Top risks: Infotainment System · HVAC Blower Motor · Frame/Undercarriage Rust
An old-school SUV built to last several lifetimes, prioritizing ruggedness over refinement.
Top risks: Frame Rust & Undercarriage · HVAC Blower Motor · Front Suspension Bushings/Links
A modern classic, the 2021 4Runner sacrifices refinement for unparalleled reliability and go-anywhere capability.
Top risks: HVAC System Components · Infotainment System Glitches · Underbody & Frame Corrosion
An undisputed champion of reliability, the 4Runner offers unmatched peace of mind, albeit within an antiquated package.
Top risks: Frame Rust/Corrosion · Power Rear Window Motor/Regulator · Infotainment System Glitches
A truly legendary SUV, but its incredible longevity hinges entirely on a rust-free frame.
Top risks: Frame & Underbody Rust · Exhaust Manifolds (V8 Engine) · X-REAS Sport Suspension
A supremely reliable off-road capable SUV, but a thorough frame inspection is non-negotiable.
Top risks: Frame Rust & Corrosion · HVAC System · Rear Axle Seals
A truly bulletproof SUV ready for anything, but a thorough pre-purchase inspection for rust and X-REAS issues is non-negotiable.
Top risks: Frame Rust/Corrosion · X-REAS Suspension System · Dashboard Cracking
An incredibly tough and long-lasting SUV, but frame integrity and suspension health are non-negotiable inspection points.
Top risks: Frame Rust · X-REAS Suspension System · Dashboard Cracking
A legendary SUV, but requires vigilant inspection for specific, high-impact age-related vulnerabilities.
Top risks: Suspension - Lower Ball Joints · Chassis - Frame Rust · Cooling System / Transmission
A truly exceptional SUV offering unparalleled longevity and capability, provided specific known issues are proactively addressed.
Top risks: Frame Corrosion · X-REAS Suspension System · V8 Exhaust Manifold Bolts (2UZ-FE)
This iconic classic is a testament to Toyota's engineering prowess, offering incredible reliability and capability that far surpasses its original design lifespan, provided you find one that hasn't succumbed to rust.
Top risks: Body and Frame Rust · Electrical System · Front Suspension & Steering
A rugged, dependable classic that will outlast most modern SUVs, provided you find one not consumed by rust and maintain its simple but aging mechanics.
Top risks: Body & Frame Rust · 22R-E Engine Top End · Electrical (Power Windows)
A truly bulletproof vintage SUV that will continue to run long after its peers have rusted away, but diligent rust inspection is paramount.
Top risks: Frame and Body Rust · Engine Head Gasket (3VZ-E V6) · Electrical System
A legendary SUV, but requires careful scrutiny for specific age-related and engine-specific vulnerabilities.
Top risks: Engine (3VZ-E V6) · Frame & Body Rust · Tailgate Power Window
A rugged, dependable classic, but choose the 4-cylinder or scrutinize the V6's history.
Top risks: Engine (3VZ-E V6) · Frame & Body Corrosion · Power Windows
A legendary, go-anywhere workhorse that demands diligent rust inspection and V6 head gasket history checks.
Top risks: Frame Rust and Body Corrosion · 3VZ-E V6 Engine Head Gasket · Power Window Regulators and Motors
A legendary SUV whose proven durability makes it a smart, capable choice, provided you diligently address its age-specific weaknesses.
Top risks: Front Suspension Lower Ball Joints (LBJ) · Frame and Body Rust/Corrosion · Cooling System / Head Gasket (3.4L V6)
A tank-like SUV with incredible mechanicals, but a potentially fatal flaw in frame rust demands diligent inspection.
Top risks: Frame & Chassis Corrosion · Lower Ball Joints (LBJs) · Age-Related Electrical Sensors & Components
A rugged, long-lasting SUV, but a thorough pre-purchase inspection for rust and specific wear items is non-negotiable.
Top risks: Chassis/Frame Rust · X-REAS Suspension System · Exhaust Manifold (V8 only)
A tank of an SUV that will outlast most of its peers, provided you keep an eye on its chassis.
Top risks: Frame Rust & Undercarriage · Braking System · HVAC Blend Door Actuators
A legendary SUV, but its V6 engine's Achilles' heel and susceptibility to rust demand careful scrutiny.
Top risks: Engine (3VZ-E V6) · Rust and Corrosion · Electrical - Power Windows
A legendary workhorse, but the V6 head gasket and rust are critical pre-purchase concerns that demand attention.
Top risks: Engine (3.0L V6) · Frame & Body Corrosion · Suspension & Steering
A promising new generation, but expect potential teething issues with its significantly updated tech and powertrain.
Top risks: Hybrid System Integration · Infotainment & Electrical · Turbocharger System Longevity
A truly classic, capable, and enduring off-roader, provided you find one that hasn't succumbed to rust or neglect.
Top risks: Frame and Body Rust · Engine Head Gasket (22R-E) · Front Suspension & Steering (IFS)
A beloved classic, but the V6 engine and corrosion issues demand vigilance and careful selection for a reliable experience.
Top risks: Engine Head Gaskets (3VZ-E V6) · Frame and Body Rust · Power Window Regulators/Motors
A rugged, dependable classic for the adventurous, but V6 models and rust-prone examples carry a significant potential repair burden.
Top risks: Engine Head Gaskets (V6 3VZ-E) · Frame and Body Rust · Power Windows
Problems That Follow the 4Runner Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Frame and Body Rust
Appears in 4 model years · 10% of generations
X-REAS Suspension System
Appears in 4 model years · 10% of generations
Engine (3VZ-E V6)
Appears in 3 model years · 7% of generations
Frame Rust and Corrosion
Appears in 3 model years · 7% of generations
Frame Rust/Corrosion
Appears in 3 model years · 7% of generations
Infotainment System Glitches
Appears in 3 model years · 7% of generations
Infotainment System
Appears in 3 model years · 7% of generations
Electrical System
Appears in 2 model years · 5% of generations
4Runner vs. the Competition
Head-to-head reliability comparisons with the 4Runner's main rivals.
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