The Genesis G80 II (facelift, introduced in December 2023) 2.5 T-GDi represents a key offering in the mid-size luxury sedan segment. Positioned as the entry point to the G80 lineup in many markets, this variant balances performance, efficiency, and luxury features. It builds upon the foundation of the second-generation G80 (introduced in 2020), incorporating styling refinements and updated technology. The 2.5T model aims to attract buyers seeking a sophisticated driving experience without the higher price tag of the flagship 3.5T variant.
Technical Specifications
| Brand | Genesis |
| Model | G80 |
| Generation | G80 II (facelift 2023) |
| Type (Engine) | 2.5 T-GDi (304 Hp) Automatic |
| Start of production | December, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.1-11.6 l/100 km (21.2 – 20.3 US mpg) |
| Fuel consumption (extra urban) | 7.4-8 l/100 km (31.8 – 29.4 US mpg) |
| Fuel consumption (combined) | 9.4-10 l/100 km (25 – 23.5 US mpg) |
| CO2 emissions | 159-168 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6 kg/Hp, 166.1 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 230.6 Nm/tonne |
| Power | 304 Hp @ 5800 rpm |
| Power per litre | 121.7 Hp/l |
| Torque | 422 Nm @ 1650-4000 rpm (311.25 lb.-ft. @ 1650-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Smartstream / G4KR |
| Engine displacement | 2497 cm3 (152.38 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 88.5 mm (3.48 in.) |
| Piston Stroke | 101.5 mm (4 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.2 l (6.55 US qt | 5.46 UK qt) |
| Coolant | 9.6 l (10.14 US qt | 8.45 UK qt) |
| Kerb Weight | 1830-1855 kg (4034.46 – 4089.57 lbs.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Length | 5005 mm (197.05 in.) |
| Width | 1925 mm (75.79 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 3010 mm (118.5 in.) |
| Front track | 1627-1630 mm (64.06 – 64.17 in.) |
| Rear track | 1637-1659 mm (64.45 – 65.31 in.) |
| Front overhang | 848 mm (33.39 in.) |
| Rear overhang | 1147 mm (45.16 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 8 |
| Type of gearbox | 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 |
| Rear brakes | Ventilated discs |
| Tires size (Front) | 245/50 R18; 245/45 R19; 245/40 R20 |
| Tires size (Rear) | 245/50 R18; 275/40 R19; 275/35 R20 |
INTRODUCTION
The Genesis G80 II 2.5 T-GDi, launched in late 2023 as part of the facelift, is a four-door, five-passenger luxury sedan. It represents a significant step forward for the Genesis brand, aiming to compete directly with established German and Japanese rivals. The G80 II is built on the M2 platform (also known as the 1HX0/A3 platform within the Hyundai Motor Group), shared with the Kia Stinger and Hyundai G70. The 2.5T variant serves as the gateway to the G80 range, offering a compelling blend of performance and value. The facelift brought revised exterior styling, enhanced interior materials, and updated technology features, further refining the G80’s appeal.
Powertrain & Engine Architecture
At the heart of the G80 2.5 T-GDi lies the Smartstream G4KR 2.5-liter turbocharged inline-four engine. This engine utilizes a combination of direct injection and multi-port fuel injection to optimize combustion efficiency and power delivery. The G4KR engine produces 304 horsepower at 5800 rpm and 422 Nm (311.25 lb-ft) of torque between 1650 and 4000 rpm. The turbocharger, coupled with an intercooler, helps to minimize turbo lag and provide a responsive driving experience. The engine features a Dual Continuously Variable Valve Timing (DCVVT) system for improved valve control. Paired with the engine is a smooth-shifting 8-speed automatic transmission, designed for both comfortable cruising and spirited driving. The transmission is calibrated to provide seamless gear changes and efficient power transfer to the rear wheels.
Driving Characteristics
The G80 2.5T offers a refined and comfortable driving experience. While not as overtly sporty as some of its competitors, the 304 hp engine provides ample power for everyday driving and highway passing. The 8-speed automatic transmission is well-tuned, offering smooth and predictable shifts. The rear-wheel-drive configuration contributes to a balanced feel, although all-wheel drive is available as an option. Compared to the more powerful 3.5T variant, the 2.5T prioritizes fuel efficiency and a more relaxed driving style. The gear ratios are optimized for both acceleration and fuel economy, with a focus on providing strong low-end torque for effortless cruising. The suspension is tuned for comfort, absorbing bumps and imperfections in the road with ease.
Equipment & Trim Levels
The G80 2.5T typically comes well-equipped with standard features including leather upholstery, a 12.3-inch infotainment touchscreen with navigation, a premium sound system, and a suite of advanced driver-assistance systems (ADAS). These ADAS features often include adaptive cruise control, lane-keeping assist, blind-spot monitoring, and automatic emergency braking. Optional extras can include a panoramic sunroof, ventilated and heated seats, a head-up display, and upgraded interior trim materials. Interior color options typically include black, gray, and brown, with various wood or aluminum trim accents available. The dashboard layout is clean and modern, with a focus on intuitive controls and a luxurious ambiance.
Chassis & Braking
The G80 2.5T utilizes a robust chassis with a multi-link suspension system at both the front and rear. This suspension setup is designed to provide a comfortable ride while maintaining good handling characteristics. The front suspension features coil springs and a transverse stabilizer bar, while the rear suspension also incorporates coil springs and a stabilizer bar. Braking duties are handled by ventilated discs 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 steering system is an electric power-assisted rack and pinion system, offering precise and responsive steering feel.
Market Reception & Comparison
The Genesis G80 2.5T has been generally well-received by automotive critics, praised for its luxurious interior, comfortable ride, and competitive pricing. Compared to its rivals, such as the BMW 5 Series, Mercedes-Benz E-Class, and Audi A6, the G80 2.5T offers a compelling value proposition. While the German competitors may offer more engaging driving dynamics, the G80 excels in providing a refined and comfortable experience. Fuel economy is competitive within its class, with combined fuel consumption figures ranging from 25 to 23.5 US mpg. Reliability has been generally good, although long-term data is still being collected.
Legacy
The G80 2.5T represents a significant step forward for the Genesis brand, establishing it as a serious contender in the luxury sedan segment. The Smartstream G4KR engine and 8-speed automatic transmission are proving to be reliable and efficient powertrains. As the G80 continues to evolve, the 2.5T variant is expected to remain a popular choice for buyers seeking a luxurious and well-equipped sedan at a competitive price point. The facelifted 2023 model further enhances the G80’s appeal, solidifying its position as a strong value in the luxury car market.
