The Genesis G80 I 5.0 GDi V8 Automatic, produced from 2016 to 2020, represents the flagship powertrain offering for the first generation of Genesis’s mid-size luxury sedan. Introduced as the brand’s initial foray into the executive car segment, the G80 aimed to challenge established German rivals with a blend of sophisticated design, robust performance, and a comprehensive suite of features. This particular variant, equipped with the naturally aspirated 5.0-liter Tau V8 engine and an eight-speed automatic transmission, positioned itself as the premium choice within the G80 lineup, offering a significant step up in power and refinement compared to the 3.8-liter V6 models.
Technical Specifications
| Brand | Genesis |
| Model | G80 |
| Generation | G80 I |
| Type (Engine) | 5.0 GDi V8 (420 Hp) Automatic |
| Start of production | 2016 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14.7-15.7 l/100 km (16-19 US mpg) |
| Fuel consumption (extra urban) | 9.8-10.2 l/100 km (23.1-24 US mpg) |
| Fuel consumption (combined) | 12.4-13.1 l/100 km (18-19 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 4.9 kg/Hp |
| Weight-to-torque ratio | 4 kg/Nm |
| Power | 420 Hp @ 6000 rpm |
| Torque | 519 Nm @ 5000 rpm (382.79 lb.-ft. @ 5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Tau / G8BE |
| Engine displacement | 5038 cm3 (307.44 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 96 mm (3.78 in.) |
| Piston Stroke | 87 mm (3.43 in.) |
| Compression ratio | 12:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, D-CVVT |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant capacity | 11.9 l (12.57 US qt | 10.47 UK qt) |
| Kerb Weight | 2060-2069 kg (4541.52 – 4561.36 lbs.) |
| Max. weight | 2500 kg (5511.56 lbs.) |
| Max load | 431-440 kg (950.19 – 970.03 lbs.) |
| Trunk (boot) space | 433 l (15.29 cu. ft.) |
| 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 | 1633 mm (64.29 in.) |
| Front overhang | 845 mm (33.27 in.) |
| Rear overhang | 1135 mm (44.69 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain | 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 | Disc, 315 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size (Front) | 245/40 R19 |
| Tires size (Rear) | 275/35 R19 |
| Wheel rims size (Front) | 8.5J x 19 |
| Wheel rims size (Rear) | 9J x 19 |
Powertrain & Engine Architecture
At the heart of the G80 5.0 GDi V8 lies the Tau engine, a naturally aspirated 5.0-liter V8. This engine, designated as the G8BE, is a significant departure from forced induction, relying on displacement and advanced engine management for its performance. It features direct injection (GDi) technology, optimizing fuel delivery and combustion efficiency. The engine utilizes a double overhead camshaft (DOHC) valvetrain with continuously variable valve timing (D-CVVT) on both intake and exhaust valves, enhancing responsiveness and power across the rev range. The eight-speed automatic transmission, sourced from ZF, provides smooth and efficient gear changes, contributing to both performance and fuel economy. This transmission was chosen for its robustness and ability to handle the high torque output of the V8 engine.
Driving Characteristics
The G80 5.0 GDi V8 delivers a distinctly different driving experience compared to its four-cylinder or V6 counterparts. The substantial torque output of 382.79 lb.-ft. at 5000 rpm provides effortless acceleration in all situations. While not as overtly sporty as some European rivals, the G80 offers a refined and comfortable ride, prioritizing smoothness and quietness. The eight-speed automatic transmission is well-tuned, offering quick shifts and a seamless driving experience. Compared to the manual transmission options available on lower trims, the automatic prioritizes ease of use and comfort over outright driver engagement. The rear-wheel-drive configuration contributes to a balanced feel, although it can be less confident in adverse weather conditions compared to all-wheel-drive alternatives.
Equipment & Trim Levels
The 5.0 GDi V8 trim represented the highest level of luxury and equipment available on the G80. Standard features included leather upholstery, heated and ventilated front seats, a premium audio system, a large infotainment screen with navigation, and a suite of advanced safety technologies such as automatic emergency braking, lane keeping assist, and adaptive cruise control. Optional extras included a panoramic sunroof, upgraded leather trim, and a rear-seat entertainment system. The interior design emphasized a clean and modern aesthetic, with high-quality materials and meticulous attention to detail.
Chassis & Braking
The G80 5.0 GDi V8 featured a robust chassis designed to handle the increased power and weight of the V8 engine. The suspension system consisted of a multi-link setup at both the front and rear, providing a comfortable ride while maintaining good handling characteristics. Larger ventilated disc brakes were fitted at the front (360mm) and solid discs at the rear (315mm) to provide ample stopping power. An anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The Genesis G80 5.0 GDi V8 was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and comprehensive feature set. However, some reviewers noted that its driving dynamics were not as engaging as those of its European competitors. Fuel economy was also a concern, with the V8 engine consuming significantly more fuel than the smaller engine options. Compared to the 3.8-liter V6 models, the 5.0 GDi V8 offered a substantial performance upgrade but came at a higher price point and with increased running costs.
Legacy
The Genesis G80 5.0 GDi V8 remains a desirable used car option for those seeking a luxurious and powerful sedan. The Tau V8 engine has proven to be relatively reliable, although regular maintenance is essential. While fuel economy is not its strong suit, the G80 5.0 GDi V8 offers a compelling combination of performance, luxury, and value in the used car market. It established Genesis as a serious contender in the luxury car segment and paved the way for the brand’s continued growth and development.
