2012-2013 Hyundai Genesis Coupe (facelift ) 3.8 GDi V6 (347 Hp) Automatic

The Hyundai Genesis Coupe, particularly the facelifted version introduced for the 2012 model year, represented a significant step forward for the Korean automaker in terms of performance and styling. The 3.8 GDi V6 Automatic variant, produced from 2012 to 2013, was positioned as the premium offering within the Genesis Coupe lineup, bridging the gap between the base 2.0T models and offering a more refined, powerful experience. It was Hyundai’s attempt to directly compete with established American and Japanese sports coupes like the Ford Mustang GT and Nissan 370Z. This model aimed to deliver a blend of grand touring comfort and respectable performance, appealing to buyers seeking a stylish and capable coupe without the compromises of a dedicated track-focused machine.

Technical Specifications

Brand Hyundai
Model Genesis
Generation Genesis Coupe (facelift 2012)
Type (Engine) 3.8 GDi V6 (347 Hp) Automatic
Start of production 2012
End of production 2013
Powertrain Architecture Internal Combustion engine
Body type Coupe
Seats 4
Doors 2
Fuel consumption (economy) – urban 15.1 l/100 km (15.6 US mpg, 18.7 UK mpg, 6.6 km/l)
Fuel consumption (economy) – extra urban 7 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l)
Fuel consumption (economy) – combined 10 l/100 km (23.5 US mpg, 28.2 UK mpg, 10 km/l)
CO2 emissions 235 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 5.9 sec
Acceleration 0 – 62 mph 5.9 sec
Acceleration 0 – 60 mph 5.6 sec
Maximum speed 260 km/h (161.56 mph)
Weight-to-power ratio 4.7 kg/Hp, 213.9 Hp/tonne
Weight-to-torque ratio 4.1 kg/Nm, 246.6 Nm/tonne
Power 347 Hp @ 6400 rpm
Power per litre 91.8 Hp/l
Torque 400 Nm @ 5300 rpm (295.02 lb.-ft. @ 5300 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
Cylinder Bore 96 mm (3.78 in.)
Piston Stroke 87 mm (3.43 in.)
Compression ratio 10.4:1
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Naturally aspirated engine
Engine oil capacity 5.7 l (6.02 US qt | 5.02 UK qt)
Coolant 8.8 l (9.3 US qt | 7.74 UK qt)
Kerb Weight 1622 kg (3575.9 lbs.)
Max. weight 1970 kg (4343.11 lbs.)
Max load 348 kg (767.21 lbs.)
Trunk (boot) space – minimum 332 l (11.72 cu. ft.)
Fuel tank capacity 65 l (17.17 US gal | 14.3 UK gal)
Length 4630 mm (182.28 in.)
Width 1865 mm (73.43 in.)
Height 1385 mm (54.53 in.)
Wheelbase 2820 mm (111.02 in.)
Front track 1601 mm (63.03 in.)
Rear (Back) track 1621 mm (63.82 in.)
Front overhang 835 mm (32.87 in.)
Rear overhang 975 mm (38.39 in.)
Drivetrain Architecture Rear wheel drive
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission
Front suspension Independent type McPherson
Rear suspension Independent multi-link suspension
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Hydraulic Steering
Tires size 225/40 R19
Wheel rims size 8.0J x 19; 8.5J x 19

Powertrain & Engine Architecture

The heart of the 3.8 GDi is Hyundai’s Lambda II V6 engine, designated the G6DJ. This 3.8-liter (3778 cc) naturally aspirated engine utilizes direct fuel injection (GDi – Gasoline Direct Injection) to maximize efficiency and power output. The engine produces 347 horsepower at 6400 rpm and 295 lb-ft of torque at 5300 rpm. It features a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The direct injection system allows for precise fuel delivery, contributing to improved combustion and reduced emissions. Paired with this engine is a smooth-shifting, eight-speed automatic transmission. This transmission was a key upgrade over the six-speed automatic found in earlier Genesis Coupe models, offering quicker acceleration and improved highway cruising. The transmission’s gear ratios were tuned to balance performance and fuel economy, with a focus on delivering usable power throughout the rev range.

Driving Characteristics

The 3.8 GDi Automatic Genesis Coupe delivers a noticeably more engaging driving experience than the 2.0T models. While not as raw or focused as some of its European competitors, it provides a comfortable yet capable grand touring experience. The eight-speed automatic transmission contributes to brisk acceleration, with 0-60 mph times consistently in the mid-5 second range. The power delivery is linear and predictable, making it easy to modulate the throttle. Compared to a manual transmission equipped 3.8, the automatic sacrifices some driver involvement, but offers greater convenience, especially in city driving. The rear-wheel-drive layout provides a balanced feel, although the car’s weight (around 3576 lbs) is noticeable during aggressive cornering.

Equipment & Trim Levels

The 3.8 GDi Automatic typically came well-equipped, representing the top-of-the-line trim level. Standard features included leather upholstery, heated front seats, a premium audio system, automatic climate control, and a sunroof. Optional extras included a navigation system, upgraded wheels, and a rear spoiler. The interior design featured a driver-focused layout with metallic accents and a generally upscale feel for its price point. The facelifted model also received minor interior refinements, including improved materials and a more modern infotainment system.

Chassis & Braking

The Genesis Coupe utilized a McPherson strut front suspension and a multi-link rear suspension. The suspension tuning was geared towards providing a comfortable ride while maintaining reasonable handling capabilities. The 3.8 GDi models were equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) was standard. The steering was a hydraulic rack-and-pinion system, offering a reasonably direct feel, though lacking the feedback of some more performance-oriented steering setups.

Market Reception & Comparison

Critics generally praised the 3.8 GDi Genesis Coupe for its powerful engine, comfortable ride, and attractive styling. However, some reviewers noted that the car’s weight and relatively soft suspension tuning prevented it from being a true sports car contender. Compared to the 2.0T models, the 3.8 GDi offered a significant performance upgrade, but at the cost of slightly lower fuel economy. Against competitors like the Ford Mustang GT and Nissan 370Z, the Genesis Coupe offered a compelling value proposition, providing similar performance and features at a lower price point.

Legacy

The Hyundai Genesis Coupe, and particularly the 3.8 GDi variant, played a crucial role in changing perceptions of the Hyundai brand. It demonstrated that Hyundai was capable of producing stylish, well-equipped, and genuinely enjoyable performance cars. The Lambda II V6 engine proved to be a reliable powerplant, and well-maintained examples of the 3.8 GDi Automatic continue to be sought after in the used car market. While not a collector’s item, it remains a popular choice for enthusiasts looking for an affordable and capable rear-wheel-drive coupe. Common issues are relatively minor, often relating to wear and tear on suspension components and typical maintenance items. The car’s relative affordability and readily available parts make it a viable option for those seeking a project car or a daily driver with a sporty flair.

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