Since its debut in 2019, the GR Supra has embodied the essence of TOYOTA GAZOO Racing—a philosophy centered around the sheer delight of driving. Stepping into 2023, a new dynamic dimension joins the fray: the introduction of a six-speed intelligent Manual Transmission (iMT). For enthusiasts who relish the precision and gratification derived from impeccably timed manual shifts, this iteration of the Supra could be the embodiment of their long-awaited desires.
Remaining true to the meticulous engineering excellence inherent in the GR Supra, this advancement wasn’t a mere adoption of an off-the-shelf solution. Engineers dedicated themselves to crafting a manual transmission expressly for the GR Supra, with components intricately tailored to complement the power and torque characteristics of its 3.0-liter, 382-horsepower engine. Concurrently, enhancements have been made to the GR Supra’s braking control systems and suspension, fine-tuning them to elevate overall performance—an evolution permeating across the entire model range.
The manual transmission option will grace the Supra 3.0 and 3.0 Premium variants, while a limited A91-MT Edition model will make its debut exclusively for the 2023 model year. Color choices for the MT 3.0 and 3.0 Premium will encompass the standard Supra palette, along with the introduction of a new Stratosphere Blue color, also available for the Supra 2.0. The A91-MT Edition will boast a distinctive presence in Matte White and CU Later Gray. Pricing details for the 2023 GR Supra MT versions are slated for release later this summer, with these exhilarating models hitting Toyota dealerships later in the year.
Manual Transmission Designed for Supra Power
Offered for the 3.0, 3.0 Premium, and a limited A91-MT Edition model, the manual transmission integrated into the GR Supra has undergone meticulous engineering and tuning tailored explicitly for the coupe’s robust straight-six engine.
The engineering team took an innovative approach by modifying an existing transmission housing, driveshaft, and gear set, eliminating non-essential elements like the acoustic package to reduce weight. Central to the transmission’s core is a newly designed large-diameter clutch featuring a reinforced diaphragm spring. Marked by a broader friction area and a sturdier spring, this novel component is finely attuned to meet the high-performance demands of the GR Supra’s potent high-torque engine.
The newly conceived 6-speed manual gearbox also introduces an intelligent Manual Transmission (iMT) equipped with fresh software that prioritizes a sporty performance profile. During upshifts, parameters are finely tuned to optimize engine torque precisely at the moment of clutch engagement and release. On downshifts, the software undergoes meticulous calibration for consistent performance. While the iMT is set as the default, drivers have the flexibility to deactivate it in Sport mode according to their preference.
To ensure a lively take-off and a responsive in-gear acceleration feel, the final drive ratio has been shortened, transitioning from 3.15 (in the GR Supra automatic) to 3.46 (in the GR Supra MT). The outcome is a level of responsiveness and gearing befitting the spirited performance expected of a sports car.
Particular attention was dedicated to integrating a manual shifter seamlessly into the driver’s cockpit. The lever ratio was meticulously configured to minimize the effort required for shifts and engaging reverse gear. Details such as the weight and shape of the 200g gear knob, along with the quality of shift engagement, were precisely defined. Ergonomics took precedence, leading to adjustments in the console unit and the position of the drive mode selector to provide a comfortable 1.7-inch clearance between the shift knob and the control panel.
TOYOTA GAZOO Racing: #savethemanual
The GR Supra marked Toyota’s inaugural foray into the global GAZOO Racing (GR) lineup, embodying the visionary ambition of Toyota President Akio Toyoda to deliver a car solely dedicated to the sheer joy of driving.
Subsequent to its debut, the introduction of global counterparts, such as the GR Yaris and last year’s unveiling of the GR86 coupe, has solidified the distinct qualities that define the GR brand—vehicles conceived from a fervor for driving, intricately linked to the championship-winning expertise of TOYOTA GAZOO Racing.
Upon its launch in 2020, the GR Supra boasted a potent straight-six 3.0-liter engine, generating 335 hp and 365 lb.-ft. of torque, mated to an eight-speed automatic transmission. In 2021, the GR team elevated the 3.0 Supra’s performance, amplifying it to 382 hp and 367 lb.-ft. of torque, and introduced the turbocharged four-cylinder GR Supra 2.0, delivering 255 horsepower and an impressive 295 lb.-ft. of torque.
Despite garnering global acclaim from both media and enthusiasts for its exceptional performance, the persistent question of a manual gearbox option lingered. Now officially confirmed, the inclusion of a manual transmission choice to the Supra lineup signifies a milestone—Toyota will present all three of its U.S. GR models with a manual option, standard on the upcoming GR Corolla and available as an option on the GR86.
Tuned for Traction, Stability and Agility
The GR Supra’s traction and braking systems have undergone meticulous optimization to seamlessly integrate with the manual transmission.
In scenarios where an automatic transmission can utilize second gear when ascending uphill with opposite wheels on surfaces of varying grip levels, such as a partly icy road, the transition is smooth, devoid of rollback or wheel slip. However, with a manual gearbox, the use of first gear and the risk of wheel spin during clutch engagement pose challenges. In response, Toyota engineers have fine-tuned the Traction Control (TRAC) system to replicate the smooth operation experienced with an automatic. This optimization is tailored to accommodate the GR Supra’s distinctive attributes, including high engine torque, wide tires, and rear-wheel drive.
A pivotal aspect of the GR Supra’s “Fun to Drive” essence lies in its behavior when accelerating out of corners. For the new manual version, particular emphasis has been placed on refining the traction control to strike an ideal balance between agility and stability during corner exits. TRAC intervention has been precisely calibrated to uphold stability, ensuring the car adheres faithfully to the driver’s intended line while delivering the right amount of power for a spirited driving experience.
The pursuit of making the GR Supra enjoyable to drive in challenging scenarios has led to the introduction of the Hairpin+ function. This innovative feature is designed to enhance freedom and reward when navigating tight bends on an uphill gradient (exceeding 5%) with a high-friction road surface. Optimizing engine torque control allows for a more pronounced difference in wheel spin between the left and right-side tires, adding to the pleasure of driving on such routes.
To mitigate the risk of “snap-off” oversteer, a potential challenge challenging to control with the Vehicle Stability Control (VSC) alone, an Anti-Roll Program (ARP) has been implemented for both manual and automatic versions of the GR Supra. This intervention occurs earlier in conjunction with the VSC, addressing any abrupt loss of grip when the car is in its high-response suspension setting.
Furthermore, the Track mode has been finely tuned to facilitate easy drifting with throttle control freedom. The vehicle maintains agility, with a reduced risk of spinning thanks to precise engine and torque control.
Special Edition and Updates Across the Lineup
The A91-MT special edition stands out as a limited 500-unit run model, featuring exclusive Cognac leather-trimmed seats, a GR logoed Alcantara shift knob, and a premium 12-speaker JBL sound system acoustically tuned for an immersive experience. Its exterior is distinguished by a red “Supra” badge and striking red GR Supra emblazoned calipers, accentuating its bold and compact design. Available in the distinctive Matte White and CU Later Gray colors, the A91-MT boasts unique forged 19-inch Frozen Gunmetal Gray wheels, with red strut tower braces underlining its already audacious Supra identity.
For the 2023 GR Supra 3.0 models, encompassing both AT and MT versions, a revamped suspension with re-tuned shock absorbers enhances roll balance and ride comfort. Mechanical components in the electric power steering system have been fine-tuned, and the operating parameters have been adjusted. All 3.0 models will feature a standard active rear sport differential.
The 3.0 MT version introduces new 19-inch forged aluminum wheels and expands color options to include the new Stratosphere Blue. Internally, heated black leather-trimmed seats become a standard inclusion. The 3.0 Premium model builds upon the 3.0’s features, offering a red and black leather-trimmed interior, a full-color heads-up display, an acoustically tuned 12-speaker JBL sound system, and a Qi wireless charger as standard.
The Supra Connect technology suite, available for the GR Supra 2.0 and 3.0 with the Safety and Technology Package, 3.0 Premium, and A91-MT Edition, elevates the driving experience. Notable features include Automatic Emergency Call, Real-Time Traffic Information, Roadside Assistance, and the Supra Connect iPhone® app, providing functionalities such as door lock/unlock and activation of Ventilation Now and Ventilation Timer features.
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