HWA AFR Turbo engine

{{Use dmy dates|date=April 2022}}

{{Infobox engine

|name=HWA AFR Turbo

|image=

|manufacturer=HWA (in partnership with Aston Martin)

|production=2019-2020 (DTM)

|configuration=Inline-4 cylinder

|displacement={{convert|2.0|L|cuin|0|lk=on|abbr=off}}

|bore= {{convert|86|-|90|mm|in|2|lk=on|abbr=on}}

|stroke=Free but typically approximately between {{Convert|86|-|90|mm|in|2|lk=on|abbr=on}}

|length={{convert|600|mm|in|2|lk=on|abbr=on}}

|width={{convert|697|mm|in|2|lk=on|abbr=on}}

|height={{convert|693|mm|in|2|lk=on|abbr=on}}

|block=Die cast steel or aluminium alloy. Machining process from a solid is not permitted

|head=Die cast steel or aluminium alloy

|valvetrain=DOHC 16-valve (four-valves per cylinder)

|turbocharger=Single-turbocharged by Garrett Advancing Motion with {{convert|3.5|bar|psi|0|lk=on|abbr=on}} of turbo boost pressure

|compression= 15:1

|power={{Convert|610|+|30|hp|kW|0|lk=on|abbr=on}} (2019) later {{Convert|580|+|60|hp|kW|0|lk=on|abbr=on}} (2020-present) including push-to-pass

|torque=Approx. {{convert|650|Nm|ftlbf|0|lk=on|abbr=on}} @ 9,000 rpm

|coolingsystem=Single mechanical water pump feeding a single-sided cooling system

|weight={{Convert|187|lb|kg|0|lk=on|abbr=on}} including turbocharger

|fuelsystem=Bosch HDEV6 {{convert|350|bar|psi|0|lk=on|abbr=on}} central high-pressure gasoline direct fuel injection. One direct injector per cylinder fed by an engine-driven high-pressure fuel pump

|management=Bosch Motronic MS 7.4

|fueltype=Aral Ultimate 102 RON unleaded racing gasoline

|oilsystem=Dry sump. Total Quartz 9000

|predecessor=

}}

The HWA AFR Turbo is a prototype four-stroke 2.0-litre single-turbocharged inline-4 gasoline racing engine, developed and produced jointly by HWA, in partnership and collaboration with Aston Martin, for Deutsche Tourenwagen Masters. The HWA inline-4 is engine rated at {{convert|610|+|30|hp|kW|0|abbr=on}}, with extra available on push-to-pass, and drives the rear wheels of the Vantage through a 6-speed semi-automatic transmission.{{Cite web|url=https://www.autosport.com/dtm/news/aston-martin-splits-with-dtm-engine-supplier-hwa-after-one-season-4986912/4986912/|title=Aston Martin splits with DTM engine supplier HWA after one season|website=www.autosport.com}}{{Cite web|url=https://www.ultimatecarpage.com/car/6282/Aston-Martin-Vantage-DTM.html|title=2019 Aston Martin Vantage DTM - Images, Specifications and Information|website=Ultimatecarpage.com}}{{Cite web|url=https://www.motorsport.com/dtm/news/hwa-aston-martin-split-rmotorsport/4559343/|title=HWA can't rule out Aston Martin DTM split|website=www.motorsport.com}}{{Cite web|url=https://www.autosport.com/dtm/news/aston-martin-linked-to-dtm-entry-with-red-bull-and-hwa-for-2020-5297595/5297595/|title=Aston Martin linked to DTM entry with Red Bull and HWA for 2020|website=www.autosport.com}}