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). This variant, equipped with a 3.5-liter twin-turbocharged V6 engine and a mild-hybrid system, positions itself as the primary offering in the G90 lineup, balancing performance, luxury, and efficiency. It serves as the entry point to the G90 experience, offering a substantial upgrade over mainstream luxury sedans while remaining more accessible than potential future, more powerful or specialized trims. The G90 II is built on a dedicated rear-wheel-drive platform, emphasizing driving dynamics and a sophisticated character.
Technical Specifications
| Brand | Genesis |
| Model | G90/EQ900 |
| Generation | G90 II |
| Type | 3.5 T-GDi e-S/C V6 (415 Hp) Mild Hybrid Automatic 5 Seat |
| Start of production | 2022 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| 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 | 5.1 kg/Hp |
| Weight-to-torque ratio | 3.8 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 | 2110 kg (4651.75 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.) |
| Front track | 1655 mm (65.16 in.) |
| Rear track | 1660 mm (65.35 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 turbocharging and a supercharger – a configuration known as “twin-boost.” This setup aims to mitigate turbo lag, providing strong low-end torque while maintaining high-end power. Direct injection further enhances efficiency and responsiveness. The engine produces 415 horsepower at 5800 rpm and a substantial 549 Nm (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, assisting the conventional belt-driven supercharger at lower engine speeds. This is integrated into a 48V mild-hybrid system, featuring a small electric motor and battery pack. The mild-hybrid system provides a boost during acceleration, enables start/stop functionality, and contributes to improved fuel economy. The engine is paired with a smooth-shifting 8-speed automatic transmission, sending power to the rear wheels.
Driving Characteristics
The G90 II 3.5 T-GDi delivers a refined and powerful driving experience. The twin-boosted engine provides ample acceleration, making highway merging and overtaking effortless. The 8-speed automatic transmission is well-tuned, offering seamless gear changes and contributing to a comfortable ride. While not overtly sporty, the G90 II handles confidently, with well-weighted steering and a composed chassis. Compared to a hypothetical higher-performance variant, this 3.5T model prioritizes comfort and refinement over outright speed. The mild-hybrid system is largely transparent to the driver, providing a subtle boost in responsiveness without significantly altering the driving character. The gear ratios are optimized for both cruising efficiency and responsive acceleration, with a focus on providing a relaxed and luxurious experience.
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 sophisticated infotainment system with a large touchscreen display. Standard equipment typically includes features like a panoramic sunroof, heated and ventilated front seats, a premium sound system, and a suite of advanced driver-assistance systems (ADAS) such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. Optional extras often include features like rear-seat entertainment, massaging seats, and upgraded interior trim materials. The overall interior design emphasizes spaciousness, comfort, and a sense of understated elegance.
Chassis & Braking
The G90 II utilizes a sophisticated multi-link suspension system at both the front and rear, designed to provide a comfortable and controlled ride. The suspension is tuned to prioritize ride quality over sporty handling, absorbing bumps and imperfections in the road with ease. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The G90 II incorporates a range of safety features, including ABS (Anti-lock Braking System), electronic stability control, and traction control. The steering system is an electric power-assisted rack and pinion setup, offering precise and responsive steering feel.
Market Reception & Comparison
The Genesis G90 II has been well-received by automotive critics, praised for its luxurious interior, refined driving experience, and competitive pricing. The 3.5 T-GDi variant strikes a good balance between performance and efficiency, making it a popular choice among buyers seeking a comfortable and capable luxury sedan. Compared to rivals like the BMW 7 Series, Mercedes-Benz S-Class, and Lexus LS, the G90 II offers a compelling value proposition, providing similar levels of luxury and technology at a lower price point. Fuel economy is competitive within the luxury sedan segment, although it doesn’t match the efficiency of hybrid or electric alternatives. Reliability is still being established, but Genesis has a growing reputation for building well-built and dependable vehicles.
Legacy
The 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 and mild-hybrid technology demonstrate Genesis’ commitment to innovation and efficiency. While long-term reliability data is still emerging, the G6DV engine appears to be a robust and well-engineered unit. 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 reasonable price. The combination of performance, luxury, and technology positions the G90 II 3.5 T-GDi as a compelling choice for discerning buyers.
