2022 Genesis G90 II 3.5 T-GDi e-SC V6 (415 Hp) Mild Hybrid Automatic 4 Seat

The Genesis G90 II 3.5 T-GDi e-S/C V6, introduced in 2022, represents the second generation of Genesis’ flagship sedan, formerly known as the Hyundai Equus (EQ900 in Korea). Positioned as a direct competitor to established luxury vehicles like the BMW 7 Series, Mercedes-Benz S-Class, and Lexus LS, the G90 II aims to deliver a blend of sophisticated technology, opulent comfort, and strong performance. This particular variant, equipped with the 3.5-liter twin-turbocharged V6 engine and a mild-hybrid system paired with an eight-speed automatic transmission, serves as the primary powertrain offering for the US market, balancing power with reasonable efficiency. It is a four-door, four-seat sedan designed to emphasize rear passenger experience alongside driver engagement.

Technical Specifications

Brand Genesis
Model G90/EQ900
Generation G90 II
Type 3.5 T-GDi e-S/C V6 (415 Hp) Mild Hybrid Automatic 4 Seat
Start of production 2022
Powertrain Architecture MHEV (Mild Hybrid Electric Vehicle)
Body type Sedan
Seats 4
Doors 4
Fuel consumption (urban) 12.8-13.2 l/100 km (18.4 – 17.8 US mpg)
Fuel consumption (extra urban) 8.9-9.2 l/100 km (26.4 – 25.6 US mpg)
Fuel consumption (combined) 10.9-11.4 l/100 km (21.6 – 20.6 US mpg)
CO2 emissions 188-194 g/km
Fuel Type Petrol (Gasoline)
Weight-to-power ratio 5.2 kg/Hp
Weight-to-torque ratio 4 kg/Nm
Battery voltage 48 V
Power 415 Hp @ 5800 rpm
Torque 549 Nm @ 1300-4500 rpm (404.92 lb.-ft. @ 1300-4500 rpm)
Engine layout Front, Longitudinal
Engine Model/Code Smartstream / G6DV
Engine displacement 3470 cm3 (211.75 cu. in.)
Number of cylinders 6
Engine configuration V-engine
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Turbocharging and Supercharger, Intercooler
Engine oil capacity 7 l (7.4 US qt | 6.16 UK qt)
Coolant capacity 10.96 l (11.58 US qt | 9.64 UK qt)
Kerb Weight 2175 kg (4795.05 lbs.)
Fuel tank capacity 73 l (19.28 US gal | 16.06 UK gal)
Length 5275 mm (207.68 in.)
Width 1930 mm (75.98 in.)
Height 1490 mm (58.66 in.)
Wheelbase 3180 mm (125.2 in.)
Number of gears 8
Gearbox type Automatic transmission

Powertrain & Engine Architecture

The heart of the G90 II 3.5 T-GDi is the Smartstream G6DV engine, a 3.5-liter V6 employing both a twin-scroll turbocharger and an electric supercharger. This combination is designed to mitigate turbo lag and provide immediate throttle response across a wider RPM range. Direct injection further enhances efficiency and power output. The engine produces 415 horsepower at 5800 rpm and a substantial 404.92 lb-ft of torque available from a low 1300 rpm all the way to 4500 rpm. The “e-S/C” designation indicates the inclusion of an electric supercharger, supplementing the turbocharger at lower engine speeds. The mild-hybrid system, operating at 48V, utilizes a small electric motor to assist the engine during acceleration and enable start-stop functionality, contributing to improved fuel economy. The engine is longitudinally mounted, driving the rear wheels. The eight-speed automatic transmission is a crucial component, offering smooth and responsive shifts. It’s tuned for comfort and refinement, prioritizing seamless gear changes over aggressive downshifts.

Driving Characteristics

The G90 II 3.5 T-GDi delivers a refined and powerful driving experience. The combination of the twin-turbo V6 and the eight-speed automatic provides ample acceleration, making highway merging and overtaking effortless. While not overtly sporty, the car feels composed and confident. The mild-hybrid system contributes to a smooth and nearly imperceptible transition between electric assist and gasoline power. Compared to a potential V8 variant (not currently offered in the US market), this 3.5L offers a more balanced approach, prioritizing fuel efficiency without sacrificing significant performance. The automatic transmission is programmed to prioritize comfort, with gear changes being smooth and almost unnoticeable. The steering is light and precise, contributing to a relaxed driving experience. The rear-wheel-drive configuration provides a traditional luxury car feel, although all-wheel drive is available as an option.

Equipment & Trim Levels

The G90 II 3.5 T-GDi comes standard with a comprehensive suite of luxury features. Interior appointments include premium leather upholstery, wood trim, and a meticulously crafted dashboard. Standard equipment typically includes a large infotainment touchscreen, a digital instrument cluster, a premium sound system (often Lexicon branded), heated and ventilated front and rear seats, a power-adjustable steering column, and a panoramic sunroof. Advanced driver-assistance systems (ADAS) are also standard, including adaptive cruise control, lane-keeping assist, blind-spot monitoring, and automatic emergency braking. Optional extras often include massaging seats, a rear-seat entertainment system, and upgraded interior trim materials. The G90 II is generally offered in a single, well-equipped trim level, with options packages allowing for customization.

Chassis & Braking

The G90 II utilizes a multi-link suspension system at both the front and rear, tuned for a comfortable ride. The suspension is designed to absorb bumps and imperfections in the road, providing a smooth and isolated driving experience. Stabilizer bars are employed to minimize body roll during cornering. The braking system consists of ventilated discs at all four corners, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard safety features. The car’s weight (approximately 4795 lbs) is managed by the robust suspension and braking components, ensuring confident handling and control.

Market Reception & Comparison

The Genesis G90 II has been generally well-received by automotive critics, praised for its luxurious interior, advanced technology, and comfortable ride. The 3.5 T-GDi powertrain has been lauded for its smooth power delivery and reasonable fuel economy. Compared to its rivals, the G90 II often represents a strong value proposition, offering a similar level of luxury and features at a lower price point. Fuel economy figures of around 21.6-20.6 US mpg combined are competitive within the luxury sedan segment. Reliability data is still emerging, but Genesis has demonstrated a commitment to quality and customer satisfaction. Some reviewers have noted that the G90 II lacks the brand cachet of its European competitors, but this is gradually changing as the Genesis brand gains recognition.

Legacy

The Genesis G90 II 3.5 T-GDi represents a significant step forward for the Genesis brand, establishing it as a serious contender in the luxury sedan market. The Smartstream engine, with its innovative turbocharging and supercharging technology, showcases Genesis’ engineering prowess. The mild-hybrid system demonstrates a commitment to improving fuel efficiency and reducing emissions. As the G90 II ages, its long-term reliability will be a key factor in its continued success. Early indications suggest that the powertrain is robust and durable, but only time will tell. On the used car market, the G90 II is expected to hold its value well, appealing to buyers seeking a luxurious and well-equipped sedan at a competitive price.

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