4, updated the four-speed automatic transmission to five-speed, upgraded power rating of the 3.0-litre model from , increased torque from for the five-speed automatic transmission, and the Smart Cab Prerunner 4×2 was introduced with automatic transmission. Other changes included a more efficient fuel injection system and the addition of a center headrest on the rear double cab seat. The Vigo Champ CNG included the 2.7-litre 2TR-FE bi-fuel engine that could run on compressed natural gas (CNG). Safety The Hilux in its most basic Latin American configuration with 3 airbags received 5 stars for adult occupants and 5 stars for infants from Latin NCAP in 2015. Eighth generation (AN110, AN120, AN130; 2015) The eighth-generation Hilux was introduced simultaneously on 21 May 2015 in Bangkok, Thailand and Sydney, Australia. It is the first of the Toyota IMV family to receive a new generation, with the related Fortuner and Innova received a new generation in July and November respectively. In some Asian markets such as Thailand, Laos, Cambodia and Pakistan, the model also adopted a new moniker, Hilux Revo. The model was subsequently introduced in the Philippines in July 2015, Mexico and GCC countries in August 2015, Argentina and Brazil in November 2015, while in Europe specifications was unveiled in September 2015 for a mid-2016 market introduction. Introductions of the model in more markets started in 2016. In March 2016, the model was released in South Africa, where it is also produced. In Malaysia, it was launched in May 2016, while in Pakistan it was launched in September 2016. In September 2017, Toyota released the Hilux in Japan for the first time since 2004. The eighth-generation Hilux features the "Keen Look" design language with a slimmer headlight shape (with optional projector headlights and LED daytime running lights). This design continues into the interior with similar AC vents and center fascia design, which has been described as more "car-like". First for a Hilux, this generation is available with optional autonomous emergency braking system (AEB). Development Development of the vehicle was led by Hiroki Nakajima as a chief engineer, which visited 120 countries during its development. It was reported that in 2011, Toyota started over on the new Hilux in just six months into development due to the release of Volkswagen Amarok and Ford Ranger that reset Toyota's benchmark for "car-like driving". Toyota President and CEO Akio Toyoda personally intervened to set the Hilux on