Lamborghini Aventador successor to debut on March 29

    The Lamborghini LB744 will offer 13 driving modes, including full ICE, full EV and hybrid.

    Published On Mar 23, 2023 06:45:00 PM

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    Lamborghini LB744
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    Lamborghini's first plug-in hybrid supercar, which will replace the Aventador, will make its global debut on March 29 with a new V12 engine supplemented by three electric motors, producing a combined 1,015hp. This makes it the most potent Lamborghini in the firm’s history. 

    1. Lambo LB744's PHEV to develop 1,015hp
    2. LB744's monofuselage chassis 10 percent lighter than Aventador's chassis

    It ushers in a new electrification era for the Italian marque, while also allowing its signature V12 engine to “live on”, rather than being killed off by increasingly strict emissions regulations.

    Lamborghini LB744 chassis details

    The LB744 will also debut a brand-new "monofuselage" chassis concept, which the firm says will represent “a significant” step forward for the model’s driving dynamics and torsional stiffness. The supercar, codenamed LB744, will be the first to feature a front end constructed entirely of carbon fibre, with energy absorption levels double that of the Aventador. 

    The Italian carmaker says the monofuselage is 10 percent lighter than the chassis that underpinned the Aventador, weighing 20 percent less at the front alone. Torsional stiffness has also been uprated by 25 percent.  

    Its rear chassis consists of high-strength aluminium with hollow rear domes, which Lamborghini says reduces weight further, cutting the number of welding lines and bolstering rigidity. 

    The new "forged composites" chassis technology represents Lamborghini's renewed approach to carbonfibre engineering. The firm adds that it will increase manufacturing sustainability as well as reduce energy consumption and the volume of waste materials. 

    Lamborghini LB744 powetrain

    But it's the new, lighter 6.5-litre V12 that is key to the PHEV’s performance, said Lamborghini, which has also paid significant attention to the way it sounds. It weighs 218kg, 17kg less than the Aventador’s V12, while still producing 825hp at 9,250rpm and 725Nm at 6,750rpm. 

    This allows the three 18.5kg motors – two driving the front axle, and one gearbox-mounted driving the rear – to be fitted with minimal impact of weight (a total figure has yet to be given) and, therefore, performance. The unit also emits 30 percent lower CO2 emissions than the Aventador Ultimae's 780hp powerplant.

    Those motors also boost low-end torque, with 350Nm immediately available. Although acceleration figures have yet to be confirmed, this will give the LB744 blistering off-line speed, probably with numbers close to the special-edition Lamborghini Veneno, which can hit 100kph from rest in just 2.9sec.

    Lamborghini LB744 hybrid system

    Electric power is drawn from a 3.8kWh lithium-ion battery, mounted within the transmission tunnel to keep the car’s centre of gravity as low as possible. It can be charged either through an external 7kW current, which takes 30 minutes, or by a combination of regenerative braking and the petrol engine, which Lamborghini claims takes as little as six minutes.

    This set-up allows the LB744 a 44:56 weight distribution, making the car "extremely agile" on both roads and circuits, the firm claims.

    The LB744 even has the ability to run solely on electric power, with the option of using either just the front wheels or all four. However, given the battery’s small size, the electric-only range isn’t expected to be more than 8km. With the addition of the battery, the super-hybrid offers 13 different drive modes, from full-ICE driving, to hybrid support, pure-electric, recharge mode, and, of course, track-specific set-ups.

    As this battery takes up the room normally used by the gearbox, a new smaller one was developed. The LB744’s compact eight-speed dual-clutch automatic transmission – which measures just 56cm long and 75cm wide and weighs 193kg – is positioned behind the V12, also aiding weight distribution.

    The LB744 will be only Lamborghini's second road-going car to be fitted with a transversely mounted gearbox, after the iconic Miura of 1966. It uses a different set-up to the limited-run Lamborghini Sián FKP 37 and Lamborghini Countach LPI 800-4 hyper-hybrids, which had a supercapacitor in a mild-hybrid system, boosting power without the ability to run on electricity alone, barring in reverse gear – a trait the LB744 adopts.

    Lamborghini LB744 launch timeline

    More details will be released on the Aventador’s replacement when it's globally unveiled on March 29. India launch is expected later this year. 
     
    Chief technical officer Rouven Mohr previously told our sister publication Autocar UK that the LB744 will be “completely new from the ground up”. He confirmed that this is true for the upcoming follow-up to the Huracan too.
     
    “There’s no carry-over from any car. From the model point of view, all relevant modules, meaning engine, gearbox, drivetrain or whatever, everything is new,” Mohr said. “You can be sure the car will not be a disappointment regarding the emotions. We will fulfil the regulations, but we will [also] improve the emotions. I can guarantee that."

    Are you excited about the new Lamborghini supercar? Let us know in the comments. 

    Also see:

    Lamborghini Aventador-based specials mark end of brand’s current V12

    Lamborghini India registers its best ever performance; sales 33 percent up

    Lamborghini Cars

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