The Genesis G90 II 3.5 T-GDi e-S/C V6 represents the second generation of Genesis’ flagship sedan, launched in 2022. Positioned as the top-tier trim level, this variant combines a potent twin-turbocharged and supercharged V6 engine with a mild hybrid system and all-wheel drive. It builds upon the foundation of the original G90 (EQ900 in South Korea), aiming to compete directly with established luxury sedans from European and Japanese manufacturers in the North American market. The G90 II represents a significant step forward in Genesis’ ambition to establish itself as a standalone luxury brand, emphasizing sophisticated technology, refined comfort, and a distinctive design language.
Technical Specifications
| Brand | Genesis |
| Model | G90/EQ900 |
| Generation | G90 II |
| Type | 3.5 T-GDi e-S/C V6 (415 Hp) Mild Hybrid AWD Automatic 4 Seat |
| Start of production | 2022 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 4 |
| Doors | 4 |
| Fuel consumption (urban) | 13.7-13.9 l/100 km (17.2 – 16.9 US mpg) |
| Fuel consumption (extra urban) | 9.7-9.9 l/100 km (24.2 – 23.8 US mpg) |
| Fuel consumption (combined) | 11.9-12 l/100 km (19.8 – 19.6 US mpg) |
| CO2 emissions | 203-206 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.4 kg/Hp |
| Weight-to-torque ratio | 4.1 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 | 2240 kg (4938.35 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
At the heart of the G90 II 3.5 T-GDi lies the Smartstream G6DV engine, a 3.5-liter V6 that employs both a twin-scroll turbocharger and an electric supercharger. This combination is designed to eliminate turbo lag and provide instant power delivery across the rev range. The engine utilizes direct injection and a high compression ratio to maximize efficiency and output. The “e-S/C” designation refers to the electric supercharger, which provides boost at low engine speeds before the turbocharger fully spools up. This is coupled with a 48V mild hybrid system, which assists with start/stop functionality and provides a small power boost during acceleration. The eight-speed automatic transmission is specifically tuned for smooth and responsive shifts, prioritizing comfort and refinement over aggressive performance. The transmission features electronically controlled shift points and adaptive learning to optimize gear selection based on driving conditions.
Driving Characteristics
The 415 horsepower and 404.92 lb-ft of torque delivered by the G90 II 3.5 T-GDi translate into effortless acceleration and a composed driving experience. The all-wheel-drive system provides excellent traction in various weather conditions. While not a sports sedan, the G90 II offers ample power for highway passing and merging. The automatic transmission is programmed for smooth transitions, and the mild hybrid system contributes to a refined and quiet ride. Compared to a potential V8 variant (not currently offered in the US market), this 3.5L offers a balance of performance and fuel efficiency. The gear ratios are optimized for both cruising comfort and responsive acceleration, with a focus on minimizing engine noise and vibration in the cabin.
Equipment & Trim Levels
The G90 II 3.5 T-GDi e-S/C V6 is the highest trim level available, and as such, comes standard with a comprehensive suite of luxury features. These include premium Nappa leather upholstery, heated and ventilated front and rear seats with massage function, a 12.3-inch digital instrument cluster, a 14.5-inch touchscreen infotainment system, a Lexicon premium audio system, and a suite of advanced driver-assistance systems (ADAS) such as adaptive cruise control, lane keeping assist, and blind-spot monitoring. Optional extras include a rear-seat entertainment system, a power-adjustable rear seat with individual controls, and a variety of exterior color and interior trim options.
Chassis & Braking
The G90 II utilizes a multi-link suspension system at all four corners, designed to provide a comfortable and controlled ride. The suspension is electronically controlled, allowing it to adjust damping rates based on road conditions and driving style. The car is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The electronic stability control (ESC) system and anti-lock braking system (ABS) work in conjunction to enhance safety and stability. The steering is a rack-and-pinion system with electric power assistance, offering precise and responsive handling.
Market Reception & Comparison
Critics have praised the G90 II for its luxurious interior, refined ride quality, and advanced technology. The 3.5 T-GDi engine has been lauded for its smooth power delivery and impressive fuel economy for its class. Compared to rivals like the BMW 7 Series, Mercedes-Benz S-Class, and Lexus LS, the G90 II offers a compelling value proposition, providing a similar level of luxury and technology at a lower price point. However, some reviewers have noted that the G90 II lacks the brand cachet of its European competitors. Fuel economy figures are competitive within the luxury sedan segment, though not class-leading.
Legacy
The G90 II 3.5 T-GDi e-S/C V6 represents a significant step forward for Genesis as a luxury brand. The Smartstream engine and mild hybrid technology demonstrate Genesis’ commitment to innovation and efficiency. While long-term reliability data is still emerging, the G90 II benefits from Genesis’ comprehensive warranty program, providing owners with peace of mind. In 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. The combination of performance, comfort, and technology positions this variant as a strong contender in the luxury sedan segment for years to come.


