common-rail fuel injection system, along with optimised pistons, piston rings and an uprated alternator to better handle heavier workloads. Dampers on the 4×4 and 4×2 high-riding versions of the 2020 facelift Hilux have been revised for improved ride comfort with less vibration, particularly with less payload. Leaf spring bushings have been updated for better comfort on rough roads, as well as steering response during cornering and lane changes. A self-lubricating rubber for the rear shackle bush is also added for better ride comfort. For some Southeast Asian markets, the Hilux became available with Toyota Safety Sense. This facelift of the Hilux was introduced in Japan in August 2020 and is offered in base X and Z trim levels. GR Sport The GR Sport version was first released in São Paulo, Brazil in November 2018. It is based on the flagship SRX variant available in South America with additional stiffer front springs, monotube dampers, Gazoo Racing exterior graphics, a new design honeycomb grille insert with 'Toyota' badging, matte black wheel arch extensions, a black bonnet and roof, side steps, 17-inch alloy wheels with all-terrain tyres, and GR badging, without performance upgrades. The facelift model GR Sport version was released in Thailand on 25 August 2021, in Japan on 8 October 2021, in the Philippines on 23 October 2021, and in Europe on 4 January 2022. The model was also released in South Africa in September 2022, with the 1GD-FTV engine is further upgraded to produce and . It was also released in Indonesia on 7 December 2022 after being previewed at the 29th Gaikindo Indonesia International Auto Show in August 2022. In January 2023, a specialised GR Sport model for the Australian market was released. It received a different styling compared to the Hilux GR Sport in other markets, with more off-road focused upgrades such as extended wheel-arch fender flares, wider track, heavy-duty suspension, and heavy-duty 'rock sliders' instead of side-steps. Powered with the 2.8-litre diesel engine, it is upgraded to produce and . Powertrain The model is available with the newly developed 2.4-litre and 2.8-litre GD series diesel engines, combined with a 6-speed manual transmission or a 6-speed automatic transmission with sequential shift technology. The manual model, touted as an "intelligent" manual helps eliminate shift shock by matching engine revs to the transmission speed. The 2.8-litre GD engine was introduced in May 2015 at the 36th International Vienna Motor Symposium.