Lastly, another issue Toyota’s D-4S technology aims to solve is differences in fuel quality. The V6 engine offers shoppers an alternative to the norm. Honda vs. Toyota Reliability: How Do The Brands Stack Up? -- Edmunds (2020) Engine Options, Horsepower, and Acceleration. If both the I4 and V6 in the Rav's are equally maintained which engine do you think would last longer? For those who have had a 4.0 V6 for some time now or have a knowledge of reviews I would like to open this thread up for discussion. I have a 2015 Tacoma as it is the last of the Gen2s I'm assuming any issues have been addressed by now. What issuses have come up with this particular engine? I'm pretty much thinking overall from the … We all know Toyota is known for bulletproof engines. I think I am eligible to answer this question, as I have visited the Toyota-Kirloskar manufacturing plant, here in Bengaluru, India. Base engine: 2.7-liter four-cylinder with 159 horsepower and 180 pound-feet of torque (standard in SR and SR5 trims) In some other conditions the engine uses a combination of both port and direct injection. This 4.0-liter member of The Toyota GR engine family, together with 3.5-liter 2GR-FE, replaced the previous MZ V6 engines.The 1GR was first available in 2002 in the Toyota 4Runner and Land Cruiser Prado. I know in the past the R22 toyota 4cyl was completey bullet proof in Toyota Trucks and the V6 in the camry's and Lexus's were good also. A big recall of 228,000 2016-2017 Toyota Tacoma pickups for a leaky differential causing a host of problems has also played a factor in reliability rankings. "The Tacoma steers and handles with quiet confidence on the road, but the V6 engine and its automatic transmission don't always respond quickly to inputs." The next-generation D-4S is paired with the next generation of Toyota’s 2GR engine family, the 3.5L 2GR-FKS. Each year, the nonprofit organization Consumer Reports surveys half a million car buyers on the most reliable auto brands on the market. Yet, long-term build up of carbon can reduce engine performance and this is why the D-4S technology is now in the Tacoma. The cold start and idle conditions are where pure direct injection has major problems with carbon buildup. Toyota states that utilizing VVT-iW allows the engine to operate in Otto cycle or Atkinson cycle depending on engine load. The previous iteration of 2GR, 2GR-FSE, is a 4-time Ward’s 10 Best Engines winner. The main advantage D4S has over pure direct injection is that traditional port fuel injection is used when the engine is cold and at idle. Kirloskar is a local heavy machinery equipment maker, who primarily manufactured pumps, generators and motors. 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