The Genesis G80 II 3.5 V6 T-GDi Automatic, produced from April 2020 through 2024, represents a significant step forward for the Genesis brand, establishing it as a serious contender in the mid-size luxury sedan segment. This variant, powered by a twin-turbocharged 3.5-liter V6 engine paired with an eight-speed automatic transmission, occupies the upper echelon of the G80 lineup, offering a blend of performance, refinement, and technology. It builds upon the foundation of the second-generation G80 (codenamed RS1), which aimed to deliver a more distinctive and luxurious experience than its Hyundai-derived predecessor.
Technical Specifications
| Brand | Genesis |
| Model | G80 |
| Generation | G80 II |
| Type (Engine) | 3.5 V6 T-GDi (380 Hp) Automatic |
| Start of production | April, 2020 |
| End of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.5-12.8 l/100 km (18.8 – 18.4 US mpg) |
| Fuel consumption (extra urban) | 8.7-8.9 l/100 km (27 – 26.4 US mpg) |
| Fuel consumption (combined) | 10.8-10.9 l/100 km (21.8 – 21.6 US mpg) |
| CO2 emissions | 187-189 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5 kg/Hp, 201.1 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 280.4 Nm/tonne |
| Power | 380 Hp @ 5800 rpm |
| Torque | 530 Nm @ 1300-4500 rpm (390.91 lb.-ft. @ 1300-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Smartstream / G6DS |
| Engine displacement | 3470 cm3 (211.75 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 92 mm (3.62 in.) |
| Piston Stroke | 87 mm (3.43 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7 l (7.4 US qt | 6.16 UK qt) |
| Coolant | 11 l (11.62 US qt | 9.68 UK qt) |
| Kerb Weight | 1890-1895 kg (4166.74 – 4177.76 lbs.) |
| Trunk (boot) space | 424 l (14.97 cu. ft.) |
| Fuel tank capacity | 73 l (19.28 US gal | 16.06 UK gal) |
| Length | 4995 mm (196.65 in.) |
| Width | 1925 mm (75.79 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 3010 mm (118.5 in.) |
| Front track | 1630 mm (64.17 in.) |
| Rear track | 1637 mm (64.45 in.) |
| Front overhang | 845 mm (33.27 in.) |
| Rear overhang | 1140 mm (44.88 in.) |
| Minimum turning circle | 11.62 m (38.12 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs, 360 mm |
| Rear brakes | Ventilated discs, 345 mm |
| Tires size (Front) | 245/45 R19; 245/40 R20 |
| Tires size (Rear) | 275/40 R19; 275/35 R20 |
| Wheel rims size (Front) | 8.5J x 19; 8.5J x 20 |
| Wheel rims size (Rear) | 9.5J x 19; 9.5J x 20 |
Powertrain & Engine Architecture
At the heart of the G80 II 3.5 T-GDi lies the Smartstream G6DS engine, a 3.5-liter naturally aspirated V6 engine augmented by twin turbochargers. This engine utilizes both direct injection and multi-port fuel injection, optimizing combustion efficiency and power delivery. The engine produces 380 horsepower at 5800 rpm and a robust 530 Nm (390.91 lb-ft) of torque available from a low 1300 rpm all the way to 4500 rpm. The eight-speed automatic transmission, developed in-house by Hyundai/Genesis, is designed for smooth and responsive shifts. It features a wide gear ratio spread to balance acceleration and fuel economy. The engine incorporates a Start & Stop System to further enhance fuel efficiency.
Driving Characteristics
The 3.5 T-GDi variant delivers a refined and powerful driving experience. The readily available torque from the twin-turbo V6 provides strong acceleration in various driving situations. While not overtly sporty, the G80 offers confident passing power and a composed highway demeanor. The eight-speed automatic transmission contributes to a smooth ride, and the gear ratios are well-matched to the engine’s powerband. Compared to the base 2.5-liter turbocharged four-cylinder, the 3.5 T-GDi offers a substantial performance upgrade. It also provides a more relaxed driving experience than the available 2.2-liter diesel engine, which prioritizes fuel economy.
Equipment & Trim Levels
The 3.5 T-GDi typically came equipped with a high level of standard features, positioning it as a premium offering within the G80 lineup. Standard amenities often included leather upholstery, heated and ventilated front seats, a large touchscreen infotainment system with navigation, 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 could include a panoramic sunroof, upgraded leather, and a rear-seat entertainment system. Trim levels beyond the base 3.5 T-GDi often added cosmetic enhancements and further refined interior appointments.
Chassis & Braking
The G80 II utilizes a robust chassis with a multi-link suspension setup at both the front and rear. This configuration provides a comfortable ride while maintaining good handling characteristics. The suspension is tuned to prioritize comfort over outright sportiness. The braking system consists of ventilated discs on all four wheels, with larger rotors at the front (360mm) compared to the rear (345mm). The G80 is equipped with ABS (Anti-lock braking system) and electronic stability control as standard safety features. The steering system is an electric power-assisted rack and pinion setup, offering a balanced feel and responsive steering.
Market Reception & Comparison
The Genesis G80 II 3.5 T-GDi was generally well-received by automotive critics. Reviewers praised its luxurious interior, comfortable ride, and strong performance. The engine was lauded for its smooth power delivery and refined character. Fuel economy, while not exceptional, was considered acceptable for a vehicle in this class. Compared to established rivals like the BMW 5 Series, Mercedes-Benz E-Class, and Audi A6, the G80 offered a compelling value proposition with a generous level of standard equipment and a competitive price point. Some critics noted that the G80’s driving dynamics were not as engaging as those of its European competitors, but the overall package was considered a strong contender.
Legacy
The Genesis G80 II 3.5 T-GDi has established itself as a reliable and desirable luxury sedan in the used car market. The Smartstream V6 engine, coupled with the eight-speed automatic transmission, has proven to be a durable powertrain. While long-term reliability data is still accumulating, early indications suggest that the G80 II is a well-built and dependable vehicle. Its combination of luxury, performance, and value has made it an attractive option for buyers seeking a premium sedan experience without the premium price tag of some of its European rivals. As the Genesis brand continues to mature, the G80 II 3.5 T-GDi is likely to be remembered as a pivotal model that helped establish Genesis as a legitimate player in the luxury automotive market.
