The Genesis G80 I 3.8 GDi (315 Hp) Automatic, produced from 2016 to 2020, represents the initial offering in the first generation of Genesis’s mid-size luxury sedan. This variant served as a cornerstone of the G80 lineup, positioned as a premium, performance-oriented option within the broader range. It was designed to compete with established German and Japanese luxury sedans, offering a blend of sophisticated styling, robust power, and advanced technology. The G80 I, built on the rear-wheel-drive platform, marked Genesis’s independent foray into the luxury market after previously being Hyundai’s premium sub-brand.
Technical Specifications
| Brand | Genesis |
| Model | G80 |
| Generation | G80 I |
| Type (Engine) | 3.8 GDi (315 Hp) Automatic |
| Start of production | 2016 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 4-5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.5 l/100 km (18.8 US mpg) |
| Fuel consumption (extra urban) | 9 l/100 km (26.1 US mpg) |
| Fuel consumption (combined) | 10.9 l/100 km (21.6 US mpg) |
| CO2 emissions | 194 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.2 kg/Hp |
| Weight-to-torque ratio | 4.9 kg/Nm |
| 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 | 8.4 l (8.88 US qt | 7.39 UK qt) |
| Kerb Weight | 1965 kg (4332.08 lbs.) |
| Fuel tank capacity | 77 l (20.34 US gal | 16.94 UK gal) |
| Length | 4990 mm (196.46 in.) |
| Width | 1890 mm (74.41 in.) |
| Height | 1480 mm (58.27 in.) |
| Wheelbase | 3010 mm (118.5 in.) |
| Front track | 1620 mm (63.78 in.) |
| Rear track | 1630 mm (64.17 in.) |
| Front overhang | 845 mm (33.27 in.) |
| Rear overhang | 1135 mm (44.69 in.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Tire size | 245/40 R19; 275/35 R19 |
| Wheel rim size | 19 |
Powertrain & Engine Architecture
The heart of the G80 I 3.8 GDi is the Lambda II 3.8-liter naturally aspirated V6 engine, designated with the code G6DJ. This engine utilizes direct fuel injection (GDi) to maximize combustion efficiency and power output. The Lambda II series engines are known for their robust construction and relatively simple design, contributing to long-term reliability. The engine features a dual overhead camshaft (DOHC) valvetrain with continuously variable valve timing (CVVT) on both intake and exhaust sides, optimizing performance across the rev range. The 3.8L V6 produces 315 horsepower at 6,000 rpm and 292.81 lb-ft of torque at 5,000 rpm. This power is delivered to the rear wheels through a smooth-shifting, eight-speed automatic transmission. This transmission was designed to provide both responsive acceleration and efficient cruising, with gear ratios tuned for a balance between performance and fuel economy.
Driving Characteristics
The G80 I 3.8 GDi Automatic offers a refined and comfortable driving experience. While not overtly sporty, the 315 hp engine provides ample power for confident highway merging and passing maneuvers. The eight-speed automatic transmission contributes to smooth gear changes, minimizing disruptions during acceleration. Compared to the later turbocharged engines offered in the G80, the 3.8L V6 delivers a more linear power delivery, lacking the immediate surge of torque found in the turbo variants. The rear-wheel-drive configuration provides a balanced feel, although it can be less forgiving in inclement weather compared to all-wheel-drive options. The steering is well-weighted, offering a good level of feedback, and the suspension is tuned for comfort, absorbing bumps and imperfections in the road surface effectively.
Equipment & Trim Levels
The G80 I 3.8 GDi Automatic typically came well-equipped, reflecting its positioning as a luxury sedan. Standard features included leather upholstery, power-adjustable front seats with heating and ventilation, a premium audio system, a touchscreen infotainment system with navigation, and a suite of advanced safety technologies such as automatic emergency braking, lane departure warning, and blind-spot monitoring. Higher trim levels offered additional features like a panoramic sunroof, upgraded leather, wood trim, and a more sophisticated driver-assistance package. Optional extras included a rear-seat entertainment system and a heads-up display.
Chassis & Braking
The G80 I utilizes a robust chassis with a multi-link suspension setup at both the front and rear. This suspension design provides a comfortable ride while maintaining good handling characteristics. The car is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and control. The standard tire size is 245/40 R19 for the front and 275/35 R19 for the rear, providing a good balance between grip and ride comfort.
Market Reception & Comparison
The Genesis G80 I 3.8 GDi Automatic was generally well-received by automotive critics. It was praised for its luxurious interior, comfortable ride, and strong engine performance. However, some reviewers noted that the naturally aspirated V6 engine lacked the responsiveness of its turbocharged competitors. Fuel economy was considered average for its class. Compared to the 2.0T models, the 3.8 GDi offered a more refined and powerful driving experience, but at the cost of slightly lower fuel efficiency. Compared to the later 3.3T Sport models, the 3.8 GDi prioritized comfort and luxury over outright performance.
Legacy
The Genesis G80 I 3.8 GDi Automatic has proven to be a relatively reliable vehicle in the used car market. The Lambda II V6 engine is known for its durability, and the eight-speed automatic transmission has also demonstrated good long-term reliability. Routine maintenance, such as oil changes and fluid flushes, is crucial for maintaining the vehicle’s performance and longevity. While not without its quirks, the G80 I 3.8 GDi remains a compelling option for buyers seeking a comfortable, well-equipped, and relatively affordable luxury sedan. Its initial success helped establish Genesis as a legitimate player in the luxury automotive segment, paving the way for future models and innovations.
