Toyota 4Runner Earned Top Dependability Ranking
The fifth-generation Toyota 4Runner achieved a lead position in the recent JD Power Vehicle Dependability Study.
Updated on Sept. 25, 2026 in Car Maintenance
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The Toyota 4Runner secured a top spot in the JD Power Vehicle Dependability Study, which evaluates vehicle reliability over a three-year period. This performance comes as the broader automotive industry recorded 204 problems per 100 vehicles.
Why it matters
The model achieved success by utilizing simple, naturally aspirated components that minimize mechanical failure points. This strategy contrasts with broader industry shifts toward complex forced-induction systems.
The 4.0-liter V6 engine provides 270 horsepower and 278 pound-feet of torque. The vehicle incurs a projected 10-year repair cost of $6,492, significantly lower than the $8,208 average for other SUVs.
The players
Toyota
Toyota is a Japanese multinational automotive manufacturer known for producing the 4Runner SUV line.
JD Power
JD Power is a global data analytics and consumer intelligence firm that conducts regular automotive reliability studies.
The details
The fifth-generation 4Runner relied on a ladder-frame chassis with mechanical gear-locking four-wheel drive and a five-speed automatic transmission. In comparison, the upcoming sixth-generation model shifts to a turbocharged 2.4-liter four-cylinder engine and an eight-speed automatic transmission to meet stricter emissions standards.
Timeline
The fifth-generation Toyota 4Runner was available in the United States from 2010 through 2024.
The 2025 model year marks the launch of the sixth-generation 4Runner.
Maintenance estimates for the 4Runner are calculated over a 10-year period.
Roadmap
The 4Runner's success highlights the longevity of naturally aspirated powertrains in an industry rapidly moving toward turbocharged engines. This trajectory illustrates a tension between the simplicity favored by long-term owners and the emissions-driven complexity favored by manufacturers.
Owners benefit from lower annual maintenance costs averaging $514 and a slow depreciation rate of roughly 25% over five years. Buyers should be aware that the upcoming sixth-generation model introduces new turbocharged components that may change future ownership expenses.
The takeaway
The 4Runner serves as a reminder that mechanical simplicity often correlates with higher long-term reliability scores. Consumers prioritizing low repair costs over high-tech engine performance should consider vehicles that rely on time-tested, naturally aspirated technology.
Further reading
For more information on vehicle care and reliability, visit the Car Maintenance section.
Source note: This article includes information reported by CarBuzz.
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