Koenigsegg Jesko#Jesko Attack

File:Koenigsegg, GIMS 2019, Le Grand-Saconnex (GIMS1051).jpg

The engine is a development of the {{Convert|{{engine size|bore=92|stroke=95.25|cyl=8|scale=1000}}|cc|L|1|abbr=on|order=flip}} twin-turbocharged V8 engine used in the Agera. It has four valves per cylinder each with a bore and stroke of {{convert|92|x|95.25|mm|2|abbr=in}} and a compression ratio of 8.6:1. The engine has a power output of {{cvt|1280|hp|PS kW|0|abbr=on}} at 7,800 rpm and {{cvt|1000|Nm|lbft|0|abbr=on}} of torque at 2,700 to 6,170 rpm on normal petrol and has a power output of {{cvt|1600|hp|PS kW|0|abbr=on}} and {{cvt|1500|Nm|lbft|0|abbr=on}} of torque at 5,100 rpm on E85 biofuel.{{cite web |title=Jesko |url=https://www.koenigsegg.com/car/jesko/ |website=Koenigsegg |accessdate=9 December 2019 |archive-date=6 March 2019 |archive-url=https://web.archive.org/web/20190306044351/https://www.koenigsegg.com/car/jesko/ |url-status=dead }}{{Cite web|url=https://www.topgear.com/car-news/geneva-motor-show/this-is-the-koenigsegg-jesko-and-it-is-the-worlds-first-300mph-hypercar|title=This is the Koenigsegg Jesko, the world's first 300mph car|date=5 March 2019|website=Top Gear|language=en|access-date=9 December 2019|archive-date=29 December 2019|archive-url=https://web.archive.org/web/20191229205030/https://www.topgear.com/car-news/geneva-motor-show/this-is-the-koenigsegg-jesko-and-it-is-the-worlds-first-300mph-hypercar|url-status=live}}

Changes from the Agera's engine include the use of a new 180-degree flat-plane crankshaft that saves {{cvt|5|kg|lb|0|abbr=on}} and increases the redline from 8,250 rpm to 8,500 rpm. The Jesko also utilises active rubber mounts from the Regera that reduce engine vibrations in the cabin. The two large turbochargers are equipped with a 20-litre air tank made from carbon fibre, coupled with an electric compressor which feeds pressurised air to the turbochargers at a pressure of {{convert|20|bar|psi|abbr=on}} in order to reduce turbo lag. The engine has pressure sensors for each cylinder in order to achieve real time cylinder monitoring for the multipoint fuel injection system.{{cite news|url=https://carbuzz.com/news/koenigsegg-jesko-revealed-as-agera-rs-successor|title=Koenigsegg Jesko Revealed As Agera RS Successor|date=5 March 2019|first=Martin|last=Bigg|publisher=Carbuzz|access-date=5 March 2019|archive-date=23 April 2023|archive-url=https://web.archive.org/web/20230423134029/https://carbuzz.com/news/koenigsegg-jesko-revealed-as-agera-rs-successor|url-status=live}}

The engine is mated to an in-house developed 9-speed multi-clutch transmission called the "Light Speed Transmission (LST)" by the manufacturer. The new transmission has a weight of {{cvt|90|kg|lb|0|abbr=on}} and it is at least 50% shorter in length than the previous 7-speed dual-clutch unit. It has 9 forward gear combinations using a layout with an input shaft with 3 fixed gears which is mated to a secondary shaft with 3 gears fixed to the output shaft and 3 clutched gears mated to the input shaft and an output shaft with 4 clutched gears (one set is used for reverse which mates directly to the input shaft), allowing the transmission to change gears without an interruption in power delivery due to the speedy nature of clutch actuation and overlap between the clutches opening and closing. The engine's crankshaft is mated directly to the LST and uses the rotating mass of the transmission components in place of a traditional flywheel.{{cite web|url=https://www.caranddriver.com/features/a28927301/koenigsegg-new-transmission-promises-ultraquick-shifts/|title=Koenigsegg's New Light Speed Transmission Promises Ultraquick Shifts|date=14 September 2019|first=K.C.|last=Colwell|publisher=Car and Driver|access-date=14 September 2019|archive-date=17 September 2019|archive-url=https://web.archive.org/web/20190917225917/https://www.caranddriver.com/features/a28927301/koenigsegg-new-transmission-promises-ultraquick-shifts/|url-status=live}} The transmission has a shift time ranging from 20 to 30 milliseconds. It also has an overdrive mode called "Ultimate Power on Demand" that is designed to skip directly to the optimal gear depending on user input, rather than down or upshifting sequentially to that gear.{{cite web|url=https://www.roadandtrack.com/car-shows/geneva-auto-show/a26617787/koenigsegg-jesko-geneva-motor-show-photos-info-specs/|title=The Koenigsegg Jesko Has 1600 HP and Promises a 300-MPH Top Speed|date=5 March 2019|first=Máté|last=Pétrány|publisher=Road & Track|access-date=5 March 2019|archive-date=5 March 2019|archive-url=https://web.archive.org/web/20190305210241/https://www.roadandtrack.com/car-shows/geneva-auto-show/a26617787/koenigsegg-jesko-geneva-motor-show-photos-info-specs/|url-status=live}}

The transmission is controlled by an onboard computer which uses engine and road speed data to engage a gear. Gears are selected by the driver either using the shift paddles mounted on the steering column or the gear selector.{{cite news|url=https://www.whichcar.com.au/news/koenigsegg-jesko-2019-geneva-motor-show|title=Koenigsegg Jesko revealed: 2019 Geneva Motor Show|date=5 March 2019|first=Scott|last=Newman|publisher=Which Car?|access-date=5 March 2019|archive-date=6 March 2019|archive-url=https://web.archive.org/web/20190306043422/https://www.whichcar.com.au/news/koenigsegg-jesko-2019-geneva-motor-show|url-status=live}}

File:Koenigsegg Jesko Genf 2019 1Y7A5543.jpg

Unlike its predecessors, the high-downforce Attack variant of the Jesko has Koenigsegg's 'Triplex' dampers at the front and the rear combined with traditional Öhlins dampers. A horizontal rear damper prevents the rear from pressing on the ground during hard acceleration. The front dampers stabilise the car at high speeds while active rear wheel steering ensures further stability at all performance levels.

The carbon body tub used in the Jesko is {{convert|40|mm|0|abbr=on}} longer and {{convert|22|mm|0|abbr=on}} wider from that of its predecessor in order to allow for more passenger room. The tub has been redesigned and incorporates an aluminium monocoque structure for increased rigidity.{{cite web|url=https://www.motorauthority.com/news/1121895_koenigsegg-jesko-deep-dive-7-clutches-1600-hp-3m|title=Koenigsegg Jesko deep dive: 7 clutches 1,600 hp, $3M|date=6 March 2019|first=Viknesh|last=Vijayenthiran|publisher=Motor Authority|access-date=7 March 2019|archive-date=8 March 2019|archive-url=https://web.archive.org/web/20190308002939/https://www.motorauthority.com/news/1121895_koenigsegg-jesko-deep-dive-7-clutches-1600-hp-3m|url-status=live}}

File:Koenigsegg Jesko, GIMS 2019, Le Grand-Saconnex (GIMS1043).jpg

The car comes standard with forged aluminium centre lock wheels, with diameters of 20 inches at the front and 21 inches at the rear. Lighter carbon fibre wheels are available as an option, weighing {{cvt|5.9|kg|lb|0|abbr=on}} at the front and {{cvt|7.7|kg|lb|0|abbr=on}} at the rear. The tyres are Michelin Pilot Sport Cup 2's with codes of 265/35 20 for the front and 345/30 21 for the rear.{{cite web|url=http://www.thedrive.com/news/26777/koenigsegg-jesko-a-swedish-megacar-with-1600-hp-seven-clutches-and-300-mph-top-speed|title=Koenigsegg Jesko: A Swedish 'Megacar' With 1,600 HP, Seven Clutches, and 300-MPH Top Speed|first=Chris|last=Tsui|date=5 March 2019|publisher=The Drive|access-date=5 March 2019|archive-date=5 March 2019|archive-url=https://web.archive.org/web/20190305210759/http://www.thedrive.com/news/26777/koenigsegg-jesko-a-swedish-megacar-with-1600-hp-seven-clutches-and-300-mph-top-speed|url-status=live}} Michelin Pilot Sport Cup 2 R tyres dedicated for track driving are also available as an option. The braking system uses ventilated carbon-ceramic discs.

File:Koenigsegg Jesko Genf 2019 1Y7A5542.jpg

The use of a redesigned monocoque improves leg and headroom in the interior of the Jesko when compared to previous Koenigsegg models. Though weight saving is a priority for interior features, the car is still equipped with amenities such as a climate control system, an infotainment system with a 9.0-inch screen, Apple CarPlay and USB phone charging. The car has unique screens mounted in the steering wheel spokes and a 5.0-inch screen mounted behind the steering wheel displaying vital information to the driver. The seats will be made from hollow carbon fibre but will be electrically adjustable.

File:Koenigsegg Jesko, GIMS 2019, Le Grand-Saconnex (GIMS0826).jpg

The Jesko shares Koenigsegg's 'Autoskin' capabilities from the Regera, allowing for remote operation of doors and the hood. It is also possible to hydraulically lift the front and rear axles of the car to give additional ground clearance. The doors have been redesigned so that they open further outward and have more ground clearance while open. The roof has screws in order to ensure it remains in place during high speed driving.

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Production of the Jesko will be limited to 125 units, with 40–50 units being produced each year. Unlike its predecessors, the Jesko will be homologated worldwide. It was announced in March 2019 that all the build slots of the Jesko were sold out.{{cite news|url=https://www.koenigsegg.com/koenigsegg-jesko-sold-out/|title=Koenigsegg Jesko Sold Out|date=19 March 2019|work=Koenigsegg|access-date=19 March 2019|archive-date=20 March 2019|archive-url=https://web.archive.org/web/20190320211854/https://www.koenigsegg.com/koenigsegg-jesko-sold-out/|url-status=live}}

The Jesko will be offered in either a high-downforce Attack or low-drag Absolut configuration, with subtle differences between the two variants. The Attack variant, as shown at the 2019 Geneva Motor Show, comes equipped with the dual front and rear 'Triplex' damper system and added aerodynamic features for track use. Due to this dual suspension setup, it is not possible to store the Targa roof in the front of the car, although this is possible in the Absolut as it will not have a front 'Triplex' damper system or front hood air dam. In July 2021, Koenigsegg revealed the first pre-series production Jesko and claimed that the first Jesko customer cars are slated for delivery in spring 2022.{{Cite web|title=Koenigsegg Jesko Gets Ready to Rock|url=https://news.cision.com/koenigsegg/r/koenigsegg-jesko-gets-ready-to-rock,c3385777|access-date=14 October 2021|website=News Powered by Cision|date=15 July 2021 |language=en|archive-date=27 October 2021|archive-url=https://web.archive.org/web/20211027181434/https://news.cision.com/koenigsegg/r/koenigsegg-jesko-gets-ready-to-rock,c3385777|url-status=live}} The first car was delivered in June 2023.{{Cite web|date=1 June 2023|title=First customer Koenigsegg Jesko gets a shakedown prior to delivery|url=https://www.thesupercarblog.com/first-customer-koenigsegg-jesko-gets-a-shakedown-prior-to-delivery/|access-date=5 September 2023|website=thesupercarblog.com|language=en|archive-date=1 June 2023|archive-url=https://web.archive.org/web/20230601073158/https://www.thesupercarblog.com/first-customer-koenigsegg-jesko-gets-a-shakedown-prior-to-delivery/|url-status=live}}{{Cite web|date=1 June 2023|title=First Production Koenigsegg Jesko Will Soon Be Delivered To Customer|url=https://www.motor1.com/news/670150/first-production-koenigsegg-jesko-delivered-customer/|access-date=5 September 2023|website=www.motor1.com|language=en|archive-date=5 September 2023|archive-url=https://web.archive.org/web/20230905003336/https://www.motor1.com/news/670150/first-production-koenigsegg-jesko-delivered-customer/|url-status=live}}

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File:Koenigsegg Jesko Genf 2019 1Y7A5553.jpg

The Jesko Attack is the high-downforce, default version of the Jesko. This variant has a large rear wing and a large carbon fiber front splitter that Koenigsegg claims to generate {{cvt|800|kg|lb|0|abbr=on}} of downforce at {{cvt|155|mph|kph|0|abbr=on|order=flip}}, {{cvt|1000|kg|lb|0|abbr=on}} at {{cvt|171|mph|kph|0|abbr=on|order=flip}} and {{cvt|1400|kg|lb|0|abbr=on}} at its top speed. This car lapped the Gotland Ring in 2:56.97, beating the former record set by a Porsche 911 GT3 RS Manthey-Racing edition by nearly seven seconds.{{Cite web|url=https://www.carscoops.com/2023/11/watch-1600hp-koenigsegg-jesko-set-new-lap-record-at-one-of-europes-longest-tracks/|title=Watch 1,600HP Koenigsegg Jesko Set New Lap Record At One Of Europe's Longest Tracks|first=Sebastien|last=Bell|date=27 November 2023|website=Carscoops}} The car also lapped the Laguna Seca in 1:24.86.{{cite web|url= https://www.motor1.com/news/730561/koenigsegg-jesko-laguna-seca-record/ | title=Koenigsegg Jesko Attack Breaks Laguna Seca Record }}

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File:Koenigsegg Jesko Absolut mock-up (20220401) 01.jpg

File:Koenigsegg Jesko Absolut mock-up (20220401) 02.jpg

Unveiled online alongside the Gemera on 3 March 2020, the Jesko Absolut is a high speed version of the Jesko. The rear wing on the Jesko Attack is replaced by two rear fins which enable a reduction in downforce from {{convert|1400|kg|0|abbr=on}} to {{convert|150|kg|0|abbr=on}} and a drag coefficient of {{Cd|long=no|0.278}}. The front splitter and side winglets are removed and the front louvers are smoother with the rear wheels featuring removable covers for high speed stability. The vehicle is also slightly elongated featuring a rear extension which adds {{convert|85|mm|in|0|abbr=on}} of additional length. The engine and transmission remain the same as the Jesko Attack. 3,000 hours were spent on the aerodynamic analysis while an additional 5,000 hours were spent design and engineering work of the Absolut. The Absolut will be priced higher than the Jesko due to the development work taken to lower the drag coefficient. The Jesko Absolut is estimated by the manufacturer to have a top speed of {{cvt|500|km/h|mph|-1|abbr=on}}, with theoretical speeds as high as {{cvt|531-563|km/h|mph|abbr=on}}.{{Cite web|url= https://www.cnet.com/roadshow/news/koenigsegg-jesko-absolut-supercar-speed-power-geneva/|title=Koenigsegg Jesko Absolut: This supercar has a date with 300 mph|work=Roadshow by CNET|last=Szymkowski|first=Sean|date=3 March 2020|archive-date=3 March 2020|archive-url=https://web.archive.org/web/20200303214509/https://www.cnet.com/roadshow/news/koenigsegg-jesko-absolut-supercar-speed-power-geneva/|url-status=live}}{{cite web | url=https://www.autoevolution.com/news/choosing-between-koenigsegg-gemera-and-jesko-absolut-a-most-enviable-dilemma-157538.html | title=Choosing Between Koenigsegg's Gemera and Jesko Absolut, a Most Enviable Dilemma | date=12 March 2021 }}{{cite web|url=https://www.roadandtrack.com/new-cars/a31246635/koenigsegg-absolut-top-speed-test-possibiltiy/|title=The Koenigsegg Jesko Absolut Can Do 330 MPH in Theory, But it Needs Space|date=5 March 2020|first=Chris|last=Perkins|publisher=Road & Track|accessdate=6 March 2020|archive-date=8 March 2020|archive-url=https://web.archive.org/web/20200308030157/https://www.roadandtrack.com/new-cars/a31246635/koenigsegg-absolut-top-speed-test-possibiltiy/|url-status=live}}{{cite web|url=https://www.motor1.com/news/402028/koenigsegg-jesko-absolut/|title=Koenigsegg Jesko Absolut Revealed As The Fastest Car Koenigsegg Would Ever Make|date=3 March 2020|first=Adrian|last=Padeanu|publisher=Motor1|accessdate=6 March 2020|archive-date=23 March 2020|archive-url=https://web.archive.org/web/20200323063119/https://www.motor1.com/news/402028/koenigsegg-jesko-absolut/|url-status=live}}{{cite web|url=https://www.motorauthority.com/news/1142228_koenigsegg-jesko-absolut-production-underway-top-speed-attempt-in-2024#src=feed_nexstar | title=Koenigsegg Jesko Absolut production underway, top speed attempt in 2024 | date=7 February 2024 }}

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On 26 June 2024, the Jesko Absolut broke the {{convert|0-400-0|km/h|mph|abbr=on}} acceleration record with a time of 27.83 seconds. The record was set at the Örebro Airport, Sweden by factory test driver Markus Lundh.{{cite web |last1=Fitzgerald |first1=Jack |title=Koenigsegg Jesko Absolut Crushes 0-400-0-KM/H World Record |url=https://www.caranddriver.com/news/a61475708/koenigsegg-jesko-absolut-crushes-world-record/ |website=www.caranddriver.com |date=July 2024 |access-date=17 August 2024}}{{cite web |last1=Nagaraj |first1=Rahul |title=Koenigsegg Jesko Absolut sets 4 new high-speed world records |url=https://www.team-bhp.com/news/koenigsegg-jesko-absolut-sets-4-new-high-speed-world-records |website=www.team-bhp.com |access-date=17 August 2024}}{{cite web |last1=Figg |first1=D |title=Koenigsegg Jesko Absolut Shatters World Records in 2024 |url=https://f1rstmotors.com/news/koenigsegg-jesko-absolut-speed-record |website=f1rstmotors.com |access-date=17 August 2024}}

• Top Gear – Award 2022 – Hypercar of the Year{{cite web |title=Revealed: the winners of the 2022 TopGear.com Awards |url=https://www.topgear.com/car-news/2022-topgearcom-awards/revealed-winners-2022-topgearcom-awards |website=TopGear |access-date=17 December 2022 |archive-date=17 December 2022 |archive-url=https://web.archive.org/web/20221217003852/https://www.topgear.com/car-news/2022-topgearcom-awards/revealed-winners-2022-topgearcom-awards |url-status=live }}{{cite web |title=The Jesko wins Hypercar of the Year at BBC Top Gear Awards for 2022 |url=https://news.cision.com/koenigsegg/r/the-jesko-wins-hypercar-of-the-year-at-bbc-top-gear-awards-for-2022,c3675360 |website=news.cision.com |date=30 November 2022 |access-date=17 December 2022 |archive-date=17 December 2022 |archive-url=https://web.archive.org/web/20221217003839/https://news.cision.com/koenigsegg/r/the-jesko-wins-hypercar-of-the-year-at-bbc-top-gear-awards-for-2022,c3675360 |url-status=live }}

• List of production cars by power output

{{reflist}}

{{commons category|Koenigsegg Jesko}}

• {{Official website |https://www.koenigsegg.com/model/jesko-absolut|Jesko Absolut}}
• {{Official website |https://www.koenigsegg.com/model/jesko-attack|Jesko Attack}}

{{Koenigsegg}}

{{Koenigsegg road car timeline, 1990s-present}}

Jesko

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