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When did Toyota put the 4.0 in the 4Runner?


The Toyota 4Runner has long been a favorite among SUV enthusiasts, known for its ruggedness and reliability. One of the significant milestones in its evolution was the introduction of the 4.0-liter V6 engine. This article explores when Toyota made this important change and what it meant for the 4Runner's performance and appeal.


The Introduction of the 4.0L Engine


The 4.0-liter V6 engine was first introduced in the Toyota 4Runner in 2003. This engine replaced the previous 3.4-liter V6, offering a substantial increase in power and efficiency. The new engine was part of the 4Runner's third generation, which was produced from 2003 to 2009.


Benefits of the 4.0L Engine


The introduction of the 4.0L engine brought several advantages to the 4Runner, enhancing its performance and driving experience. Here are some key benefits:



  • Increased Power: The 4.0L engine produced 245 horsepower, a significant boost over the 3.4L engine's 183 horsepower.

  • Improved Torque: With 282 lb-ft of torque, the 4.0L engine provided better towing capacity and off-road performance.

  • Fuel Efficiency: Despite the increase in power, the 4.0L engine offered competitive fuel efficiency for an SUV of its size.

  • Enhanced Reliability: Toyota's reputation for building durable engines continued with the 4.0L, making it a trusted choice for many drivers.


These enhancements made the 4Runner more appealing to both off-road enthusiasts and families looking for a reliable SUV.


Conclusion


The introduction of the 4.0-liter V6 engine in 2003 marked a significant turning point for the Toyota 4Runner. It not only improved the vehicle's performance but also solidified its reputation as a capable and reliable SUV. As the 4Runner continues to evolve, the legacy of the 4.0L engine remains a key part of its history.


Frequently Asked Questions

At what mileage do 4runners start having problems?


The 4Runner's lifespan can go far over 200,000, so anything under 150,000 is fine.



What year is the best year for 4Runner?


The best used Toyota 4Runner years according to generation are as follows. The fifth-generation Toyota 4Runner received the least complaints from 2017 to 2021. In 2017, the complaints from customers dropped out of the double-digit range, and in 2021, only one complaint was lodged against it.



What engine is in a 5th gen 4Runner?


4Runner is powered by a 270-horsepower 4.0-liter V6 engine. The powerplant's 278 lb. -ft. of peak torque gives it plenty of get-up-and-go, and Dual Independent Variable Valve Timing with intelligence (VVT-i) optimizes torque across the engine's operating range.



When did 4Runner switch to V6?


1988
More power was on tap for 1988, as Toyota introduced the 3.0L V6 engine to the 4Runner. Because the V6 was more suited to the off-road environment that the 4Runner was designed for, the turbo model was discontinued, leaving only the V6 and four-cylinder engines.



What year did Toyota 4Runner have bad frames?


If you own a Toyota 4Runner that was manufactured between 2003 and 2009, your vehicle is most likely having a defective undercarriage that is prone to excessive and premature rusting.



What year 4Runner to stay away from?


A: If you're not a mechanic or don't want to deal with extensive repairs, it's best to avoid the 2003-2005 fourth-generation 4Runner, 2001-2002 third-generation 4Runner, 1990-1995 second-generation 4Runner with a 3.0-liter V6, and 1988-1989 first-generation 4Runner with a 3.0-liter V6.



What years are 4.0 V6 4Runner?


4.0L V6. 4th Gen 4Runners range are from 03-09. Keeping that in mind most would stick to those years for engine swaps for the 1GR Engines in their 4th Gen.



How many miles will a V8 4Runner last?


Many Toyota 4Runner owners have reported that their vehicles have crossed the 200,000-mile mark with ease if they follow through with regularly scheduled maintenance, oil changes, tire rotation, etc. This longevity can also be credited to the well-tested engineering and high-quality materials used during assembly.



What year is the 6th gen 4Runner?


2025
In fact, this all-new sixth generation 4Runner raises the bar in terms of go-anywhere capability and high-end refinement. The 2025 4Runner will be built in Toyota Motor Corporation's Tahara plant in Japan and will arrive in the U.S. in the fall of 2024.



What year did Toyota stop putting V8 in 4Runner?


If you want the V8 on a new 4runner, the closest you are going to get is the Lexus GX, same frame and drivetrain but with the bigger engine. As stated above, '09 was the last year the V8 was offered in the 4runner but 09 V8's are pretty rare, only a few were sold.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.