The Genesis G90, specifically the facelifted first generation produced from 2018 to December 2021, represented Hyundai’s ambitious foray into the luxury sedan segment. This variant, equipped with the 3.8-liter GDi V6 engine producing 315 horsepower and paired with an eight-speed automatic transmission, served as a core offering within the G90 lineup, positioned as a balance between the entry-level 3.3T and the flagship 5.0L V8 models. Originally marketed as the EQ900 in South Korea, the G90 aimed to compete with established German and Japanese luxury brands, offering a compelling combination of features, performance, and value. The 2018 facelift brought revised styling, enhanced technology, and refinements to the driving experience.
Technical Specifications
| Brand | Genesis |
| Model | G90/EQ900 |
| Generation | G90 I (facelift 2018) |
| Type (Engine) | 3.8 GDi V6 (315 Hp) Automatic |
| Start of production | 2018 |
| End of production | December, 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 4 |
| Doors | 4 |
| Fuel consumption (urban) | 12.6 l/100 km (18.7 US mpg, 22.4 UK mpg, 7.9 km/l) |
| Fuel consumption (extra urban) | 9.3 l/100 km (25.3 US mpg, 30.4 UK mpg, 10.8 km/l) |
| Fuel consumption (combined) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| CO2 emissions | 192 g/km |
| Fuel Type | Petrol (Gasoline) |
| Power | 315 Hp @ 6000 rpm |
| Power per litre | 83.4 Hp/l |
| Torque | 397 Nm @ 5000 rpm (292.81 lb.-ft. @ 5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Lambda II / G6DJ |
| Engine displacement | 3778 cm3 (230.55 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Fuel injection system | Direct injection |
| Engine oil capacity | 6.9 l (7.29 US qt | 6.07 UK qt) |
| Coolant capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Max. weight | 2020 kg (4453.34 lbs.) |
| Fuel tank capacity | 77 l (20.34 US gal | 16.94 UK gal) |
| Length | 5205 mm (204.92 in.) |
| Width | 1915 mm (75.39 in.) |
| Height | 1495 mm (58.86 in.) |
| Wheelbase | 3160 mm (124.41 in.) |
| Front track | 1630 mm (64.17 in.) |
| Rear track | 1659 mm (65.31 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The heart of this G90 variant is the Lambda II 3.8-liter V6 engine, designated with the code G6DJ. This engine utilizes direct gasoline injection (GDi) technology, enhancing both power and fuel efficiency. The direct injection system precisely meters fuel directly into the combustion chamber, allowing for a higher compression ratio and more complete combustion. The engine features a dual overhead camshaft (DOHC) valvetrain with continuously variable valve timing (CVVT) on both intake and exhaust sides, optimizing engine performance across the rev range. The eight-speed automatic transmission, sourced from ZF, provides smooth and responsive gear changes. This transmission was chosen for its efficiency and ability to handle the engine’s torque output. The transmission’s gear ratios are tuned for a balance of acceleration and highway cruising comfort.
Driving Characteristics
The 3.8L GDi V6, paired with the eight-speed automatic, delivers a refined and comfortable driving experience. While not as overtly sporty as the 5.0L V8, it provides ample power for everyday driving and highway passing maneuvers. The automatic transmission is generally unobtrusive, offering seamless shifts in normal driving mode. Sport mode holds gears longer, providing more aggressive acceleration. The rear-wheel-drive configuration contributes to a balanced feel, although it lacks the all-weather capability of all-wheel-drive systems found in some competitors. Compared to the 3.3T turbocharged engine, the 3.8L offers a more linear power delivery, lacking the low-end torque of the turbocharger. However, it is generally considered more reliable and less prone to long-term maintenance issues.
Equipment & Trim Levels
The 3.8 GDi V6 model typically came standard with a generous array of features, including leather upholstery, heated and ventilated front seats, a premium audio system, a large infotainment touchscreen with navigation, and a suite of advanced driver-assistance systems (ADAS) such as adaptive cruise control, lane keeping assist, and automatic emergency braking. Optional extras included a rear-seat entertainment system, a panoramic sunroof, and upgraded interior trim materials. The trim level often dictated the availability of certain features, with higher trims offering more luxurious appointments and advanced technology.
Chassis & Braking
The G90 utilizes a multi-link suspension system at all four corners, designed to provide a comfortable and controlled ride. The suspension is tuned to prioritize ride quality over outright handling prowess. Ventilated disc brakes are standard on all four wheels, providing adequate stopping power for the vehicle’s weight. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard safety features. The G90’s chassis is designed for rigidity, minimizing body roll and enhancing overall stability.
Market Reception & Comparison
Critics generally praised the G90 3.8L for its luxurious interior, comfortable ride, and comprehensive feature set. However, some reviewers noted that the engine lacked the outright performance of its competitors, particularly the German luxury sedans. Fuel economy was considered average for its class. Compared to the 3.3T, the 3.8L offered a more affordable entry point into the G90 lineup, but with a noticeable reduction in performance. The 5.0L V8 provided significantly more power but came at a higher price point. Reliability ratings for the 3.8L engine have been generally positive, with fewer reported issues compared to the turbocharged 3.3T.
Legacy
The Genesis G90 3.8L V6 (2018-2021) established Genesis as a legitimate contender in the luxury sedan market. While the model has been superseded by newer generations, the first-generation G90 remains a compelling value proposition on the used car market. The Lambda II 3.8L engine has a reputation for durability and relatively low maintenance costs, making it an attractive option for buyers seeking a reliable and luxurious vehicle. The combination of a comfortable ride, a well-appointed interior, and a comprehensive suite of features ensures that the G90 continues to appeal to discerning buyers seeking a premium driving experience.
