Toyota 4Runner ReliabilityAll Years Ranked (1984–2025)
Side-by-side AutoScores, 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 AutoScore
89/100
Best Year
2022 Toyota 4Runner
Score 96
Weakest Year
1986 Toyota 4Runner
Score 78
Every Toyota 4Runner Ranked
Sorted by AutoScore. 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.
Sell your car for what it's worth.
Every receipt, every service, one signed PDF you hand the buyer. OSC is the paperwork trail your resale price depends on.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
Recommended Products
Quality parts and tools for your vehicle
As an Amazon Associate I earn from qualifying purchases.