The 2012 Toyota 4Runner is a midsize, body-on-frame SUV built for drivers who prioritize durability, towing capability, and real off-road hardware over car-like handling. It’s part of the fifth-generation 4Runner (2010–present), which brought a more rugged design and an interior focused on practicality. In the market, the 2012 4Runner sits as one of the few traditional SUVs still available in its class, competing more on long-term ownership value and trail ability than fuel economy. It’s ideal for families, outdoor enthusiasts, and buyers who want a proven platform that can handle rough roads and high mileage.

1) 4.0L V6 performance: The 2012 4Runner comes with Toyota’s 4.0L V6 (1GR-FE) producing 270 hp and 278 lb-ft of torque, paired with a 5-speed automatic transmission. It’s known for strong low-end torque and longevity when maintained. 2) Real 4WD capability: Available part-time 4WD (SR5/TRAIL) or full-time 4WD (Limited), with low range on 4WD models for controlled climbing and descending on steep terrain. 3) Off-road-focused trims and hardware: The Trail Edition (often listed simply as “Trail”) is a standout for off-road buyers, commonly equipped with Toyota’s off-road traction aids (such as Multi-Terrain Select and Crawl Control on many Trail models) and added underbody protection. 4) Towing and utility: Properly equipped, towing capacity is up to approximately 5,000 lbs, making it a solid choice for small campers, utility trailers, and weekend toys. 5) Practical interior and cargo space: The 4Runner is valued for easy-clean materials, a tall cargo area, and a roll-down rear window that’s great for ventilation and loading longer items.

Shoppers often search “2012 Toyota 4Runner reliability” because this model has a strong reputation overall, but it’s not perfect. Here are “2012 Toyota 4Runner problems” and “2012 Toyota 4Runner common issues” that owners and technicians most often mention: 1) Brake vibration or warped rotors: Some owners report steering wheel shake or pulsation under braking, commonly showing up in the 30,000–80,000 mile range depending on driving habits and rotor quality. In many cases, replacing rotors and pads (and ensuring proper wheel torque) resolves it. 2) Suspension wear and front-end clunks: Over time, wear items like front sway bar end links, shocks/struts, and occasionally control arm bushings can cause clunks or loose-feeling handling, often more noticeable after 80,000–150,000 miles or on vehicles used on rough roads. 3) Secondary Air Injection System (SAIS) faults: The 4.0L V6 used in this era is known to sometimes trigger check engine lights due to SAIS pump or valve issues. This can appear around 80,000–150,000 miles. Repairs can be pricey if multiple components are replaced. 4) Rust concerns in harsh climates: Like many body-on-frame SUVs, frame and underbody corrosion can be a concern in snowbelt regions. This is highly dependent on exposure and care, but it’s one of the most important things to inspect on any used 2012 4Runner.