The Genesis G80 I 3.8 GDi (315 Hp) AWD Automatic represents the initial offering in the first generation of the Genesis G80, a mid-size luxury sedan produced from 2016 to 2020. Launched as the flagship model for the newly established Genesis brand – Hyundai’s luxury division – the G80 aimed to compete with established European and Japanese luxury sedans. This particular variant, equipped with the 3.8-liter naturally aspirated V6 engine and an eight-speed automatic transmission coupled with all-wheel drive, served as a key volume seller and a demonstration of Genesis’s intent to deliver a compelling blend of performance, luxury, and value. It was positioned as the premium engine option within the initial G80 lineup, sitting above the 2.2-liter turbocharged four-cylinder models.
Technical Specifications
| Brand | Genesis |
| Model | G80 |
| Generation | G80 I |
| Type (Engine) | 3.8 GDi (315 Hp) AWD 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) | 13.3 l/100 km (17.7 US mpg, 21.2 UK mpg, 7.5 km/l) |
| Fuel consumption (extra urban) | 9.6 l/100 km (24.5 US mpg, 29.4 UK mpg, 10.4 km/l) |
| Fuel consumption (combined) | 11.6 l/100 km (20.3 US mpg, 24.4 UK mpg, 8.6 km/l) |
| CO2 emissions | 208 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.5 kg/Hp, 154.8 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 195.1 Nm/tonne |
| 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 | 2035 kg (4486.41 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 Architecture | All wheel drive (4×4). ICE drives rear wheels, front wheels engaged via clutch. |
| 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
At the heart of the G80 I 3.8 GDi AWD lies the Lambda II 3.8-liter V6 engine, designated with the code G6DJ. This engine is a naturally aspirated powerplant featuring direct fuel injection (GDi) and dual continuously variable valve timing (CVVT). The direct injection system optimizes combustion efficiency and power output, while CVVT enhances both performance and fuel economy across the engine’s operating range. The engine produces 315 horsepower at 6,000 rpm and 292.81 lb-ft of torque at 5,000 rpm. The engine’s longitudinal mounting allows for a rear-wheel-drive bias, with the all-wheel-drive system engaging the front wheels as needed for enhanced traction. The eight-speed automatic transmission, sourced from Hyundai’s in-house development, provides smooth and responsive shifting. The transmission is tuned for comfort and refinement, prioritizing a seamless driving experience over aggressive gear changes.
Driving Characteristics
The G80 I 3.8 GDi AWD delivers a comfortable and composed driving experience. While not overtly sporty, the 315 hp engine provides ample power for confident acceleration and highway cruising. The all-wheel-drive system contributes to enhanced stability, particularly in inclement weather. The eight-speed automatic transmission is well-matched to the engine’s characteristics, offering smooth upshifts and downshifts. Compared to the 2.2-liter turbocharged four-cylinder version, the 3.8 GDi offers a more linear power delivery and a more refined engine note. It lacks the low-end punch of the turbo engine but provides a broader, more usable powerband. Against potential competitors like the BMW 5 Series or Mercedes-Benz E-Class, the G80 offered a slightly softer ride and a less aggressively tuned chassis, prioritizing comfort over outright handling prowess.
Equipment & Trim Levels
The G80 I 3.8 GDi AWD typically came well-equipped with standard features including leather upholstery, a touchscreen infotainment system with navigation, a premium sound system, heated and ventilated front seats, and a suite of advanced safety technologies such as automatic emergency braking, lane departure warning, and blind-spot monitoring. Optional extras included a panoramic sunroof, a rear-seat entertainment system, and upgraded leather trim. Trim levels varied slightly depending on the model year, but generally offered increasing levels of luxury and technology. The 3.8 GDi was often available in higher trim levels, offering a more comprehensive package of features than the base 2.2-liter models.
Chassis & Braking
The G80 I features a front independent suspension with multi-link design and a rear independent multi-link suspension. This setup provides a comfortable ride and good handling characteristics. The steering is electrically assisted and offers a balanced feel, providing adequate feedback without being overly heavy. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and control. The G80 I’s chassis was tuned to prioritize ride comfort and noise isolation, creating a serene cabin environment.
Market Reception & Comparison
The Genesis G80 I 3.8 GDi AWD was generally well-received by automotive critics. Reviewers praised its luxurious interior, comfortable ride, and strong engine performance. Fuel economy, however, was often cited as a weakness, with the combined fuel consumption of 20.3 US mpg being lower than some of its competitors. Reliability reports have been generally positive, with the Lambda II V6 engine proving to be a durable and dependable powerplant. Compared to the four-cylinder models, the 3.8 GDi offered a more refined and powerful driving experience, justifying its higher price point.
Legacy
The Genesis G80 I 3.8 GDi AWD played a crucial role in establishing the Genesis brand as a credible competitor in the luxury sedan segment. The Lambda II V6 engine, paired with the eight-speed automatic transmission, has proven to be a reliable and durable powertrain. On the used car market, these models continue to offer a compelling value proposition, providing a luxurious and well-equipped driving experience at a relatively affordable price. While newer generations of the G80 have introduced more advanced technology and improved performance, the first-generation 3.8 GDi remains a desirable option for buyers seeking a comfortable, reliable, and stylish luxury sedan.


