HYUNDAI GENESIS COUPE 3.8 ENGINE FOR SALE

Code: vaz253
(2 customer reviews)

Product Overview & Specifications

  • In Stock, Hyundai Genesis Coupe 3.8 V6 Engine Available
  • Free Shipping to All 50 States via Freight Pallet, 5 to 10 Business Days
  • Variant Verified (G6DA MPI 306 HP / G6DH GDI 348 HP)
  • Donor Vehicle Confirmed (Genesis Coupe, possibly Genesis Sedan, Equus, Santa Fe, Sorento, Veracruz, Borrego, K9)
  • All 6 Cylinders Compression Tested
  • Oil Pressure Verified
  • D-CVVT Dual Variable Valve Timing System Verified (Intake and Exhaust)
  • GDI Direct Injection Fuel Injectors Tested (G6DH only)
  • MPI Multi-Port Injectors Tested (G6DA only)
  • Timing Chain Condition Assessed
  • 100% Inspection Before Every Order Ships
  • No Core Charge, Keep Your Old Engine

$4,499.00

In Stock
100% Fitment Assistance
15 Days Replacement Warranty
Free & Fast Shipping

Description

Hyundai Genesis Coupe 3.8 Engine for Sale: Your Ultimate Guide

Looking for that extra power for your Hyundai Genesis Coupe? The Hyundai Genesis Coupe 3.8 keeps a powerhouse engine under its hood, the Lambda II 3.8 liter V6, renowned for its performance and smoothness, delivering an alluring combination of raw power with refined engineering. The engine, technically called the Lambda II V6 (with the GDI direct injection variant introduced in 2013), is genuinely one of the marvels of modern Korean automotive design, utilizing direct injection technology (G6DH variant) combined with dual continuously variable valve timing for the best in efficiency and power delivery. Get ready to discover why this Hyundai Genesis Coupe 3.8 engine for sale here is a top pick among naturally aspirated rear-wheel drive sports car enthusiasts.

Engine Overview: Hyundai Genesis Coupe 3.8 (Lambda II V6)

Under the hood of the Hyundai Genesis Coupe 3.8 sits the Lambda II V6 , a powerful 3.8 liter naturally aspirated V6. The engine features:

  • Aluminum block and aluminum cylinder heads for lightweight construction
  • D-CVVT (Dual Continuously Variable Valve Timing) on both intake and exhaust camshafts
  • Variable intake system for optimized airflow across the RPM range
  • High specific output , 91 HP per liter (GDI variant) is exceptional for a naturally aspirated V6
  • Longitudinal mount, rear-wheel drive in Genesis Coupe application

The Lambda II is one of Hyundai-Kia’s most successful V6 engines and provides the Genesis Coupe 3.8 with excellent driving excitement combined with reliability.

Important Variant Distinction: G6DA MPI vs G6DH GDI

The Lambda II 3.8 in the Genesis Coupe was produced in TWO major variants. Understanding which you have or need is critical:

### G6DA (MPI Multi-Port Injection)

Used in the 2010 to 2012 Genesis Coupe 3.8 (pre-facelift):

  • HP: 306 HP at 6,300 RPM
  • Torque: 266 lb-ft at 4,700 RPM
  • Compression Ratio: 10.4:1
  • Fuel Injection: MPI (multi-port, fuel sprayed into intake port)
  • Premium Fuel Required: 91 octane recommended

### G6DH (GDI Gasoline Direct Injection)

Used in the 2013 to 2016 Genesis Coupe 3.8 (post-facelift):

  • HP: 348 HP at 6,400 RPM (+42 HP vs MPI)
  • Torque: 295 lb-ft at 5,300 RPM (+29 lb-ft vs MPI)
  • Compression Ratio: 11.5:1 (higher than MPI variant)
  • Fuel Injection: GDI (Gasoline Direct Injection, fuel sprayed directly into cylinder at high pressure)
  • Premium Fuel Recommended: 91 octane for full output

The 2013 GDI upgrade was a significant power increase , 42 HP and 29 lb-ft of torque gained primarily through:

  • Direct injection allowing higher compression ratio (11.5:1 vs 10.4:1)
  • Revised cylinder heads with improved flow
  • Updated camshafts with more aggressive profiles
  • Improved exhaust manifold design
  • Lighter valvetrain components

When ordering, please confirm whether your Genesis Coupe is 2010-2012 (G6DA MPI) or 2013-2016 (G6DH GDI) , the engines are NOT directly interchangeable due to fuel system differences, ECU programming, and accessory drive variations.

Lambda II V6 Family Heritage

The Lambda II V6 family powered many Hyundai-Kia vehicles of the 2010s:

Vehicle Years Engine Variant HP
Hyundai Genesis Coupe 3.8 (THIS LISTING) 2010-2012 G6DA MPI 306 HP
Hyundai Genesis Coupe 3.8 (THIS LISTING) 2013-2016 G6DH GDI 348 HP
Hyundai Genesis Sedan 3.8 (BH) 2009-2014 G6DA MPI 290-306 HP
Hyundai Genesis Sedan 3.8 (DH) 2015-2016 G6DH GDI 311 HP
Hyundai Equus 3.8 (early) 2011 G6DA MPI 290 HP
Hyundai Santa Fe 3.8 2010-2012 G6DC (transverse FWD) 276 HP
Kia Sorento 3.8 2009-2013 G6DA (transverse FWD) 276 HP
Hyundai Veracruz 3.8 2007-2012 G6DA (transverse FWD) 260 HP
Kia Borrego / Mohave 3.8 2008-2012 G6DC 276 HP
Kia K9 / K900 3.8 2014-2018 G6DH GDI 311 HP

Note: Lambda II variants used in front-wheel drive applications (Santa Fe, Sorento, Veracruz) are TRANSVERSE-mounted (sideways) with different accessory drives than the LONGITUDINAL-mount variants in rear-wheel drive applications (Genesis Coupe, Genesis Sedan, Equus, K9). Cross-compatibility is limited to same-orientation applications.

The Hyundai Genesis Coupe 3.8: The Korean Sports Coupe

The Hyundai Genesis Coupe was Hyundai’s halo sports coupe, produced 2010-2016 (BK chassis):

  • Body Style: 2-door sports coupe, rear-wheel drive
  • Engine Options: 2.0 turbo 4-cylinder (Theta II turbo) or 3.8 V6 (this listing)
  • Transmission: 6-speed manual or 6-speed automatic (manual highly desired for V6)
  • Trim Levels: Base, R-Spec, Grand Touring, Track, Ultimate (varies by year)
  • Competitors: Ford Mustang V6/GT, Chevrolet Camaro V6/SS, Nissan 370Z, Subaru BRZ/Toyota 86

The Genesis Coupe 3.8 was praised for its strong V6 power, well-balanced chassis, and value pricing. The 2013+ GDI upgrade made the V6 particularly competitive with the Mustang GT in horsepower. The Genesis Coupe was discontinued in 2016 and not directly replaced , Hyundai’s later “Genesis” branding shifted to luxury sedans rather than continuing the affordable sports coupe.

Key Engineering Features of the Lambda II 3.8

  • 60-Degree V6 Configuration: Compact V6 layout, standard for modern V6 engines
  • DOHC with 4 Valves per Cylinder (24 Valves Total): Modern multi-valve architecture
  • D-CVVT Dual Variable Valve Timing: Continuously variable timing on BOTH intake and exhaust cams , advanced for the era
  • Aluminum Block and Heads: Lightweight construction
  • Variable Intake System: Dual-runner intake for both low-RPM torque and high-RPM power
  • Timing Chain (Not Belt): No regular timing belt service required
  • Forged Crankshaft: Heavy-duty crankshaft for high-RPM operation
  • Multi-Port Injection (G6DA) or Direct Injection (G6DH): Two distinct fuel system architectures
  • High Compression Ratio: 10.4:1 (MPI) or 11.5:1 (GDI) , premium fuel recommended

Common Lambda II 3.8 Service Items (Honest Disclosure)

Honest disclosure of known service items:

  • Timing Chain (High Mileage): Some Lambda II engines develop timing chain stretch at 150,000+ miles. Symptoms include rough idle, check engine codes for VVT.
  • GDI Carbon Buildup (G6DH only): Direct injection means no fuel washes intake valves. Carbon buildup at 60,000-80,000 miles. Walnut blasting service ($400-600) addresses this.
  • D-CVVT Solenoid: VVT solenoids can develop issues at high mileage. Common service code P0011 or P0014.
  • Oil Consumption: Some Lambda II engines develop slight oil consumption at high mileage. Generally not severe.
  • Knock Sensor Failures: Occasional knock sensor failures producing check engine lights.
  • Variable Intake Solenoid: Can fail at high mileage causing slight power loss.

The Lambda II 3.8 is generally durable when maintained per Hyundai specifications. 200,000+ miles is achievable.

Why Choose a Used Hyundai Genesis Coupe 3.8 Engine?

  • Cost savings vs reman ($4,499 used vs $5,500-$9,000 reman plus core)
  • Variant matching , we identify whether you need MPI (G6DA) or GDI (G6DH)
  • Direct OEM fit for Genesis Coupe 2010-2016 (variant-dependent)
  • Cross-compatible with Genesis Sedan, Equus, K9, and others (with proper variant matching)
  • Strong V6 performance , 306-348 HP naturally aspirated
  • Tuning potential , the Lambda II 3.8 supports significant power upgrades with supporting modifications
  • Engine swap appeal , the 3.8 V6 is used in custom builds (LS swap alternatives, Miata 3.8 swaps, etc.)

Here at Vaz Auto Solutions, you’ll find this Hyundai Genesis Coupe 3.8 engine for sale at the most reasonable price possible, with variant identification (G6DA MPI vs G6DH GDI), donor vehicle confirmation, and full 6-cylinder inspection.

Vehicle Compatibility

Direct Fit:

Hyundai Genesis Coupe 3.8 (BK pre-facelift) 2010-2012, G6DA MPI 306 HP variant
Hyundai Genesis Coupe 3.8 (BK post-facelift) 2013-2016, G6DH GDI 348 HP variant

Cross-Compatible (Longitudinal Mount, Rear-Wheel Drive):

Hyundai Genesis Sedan 3.8 (BH) 2009-2014, G6DA MPI
Hyundai Genesis Sedan 3.8 (DH) 2015-2016, G6DH GDI
Hyundai Equus 3.8 (early) 2011, G6DA MPI
Kia K9 / K900 3.8 2014-2018, G6DH GDI

Different Orientation (Transverse, Front-Wheel Drive , NOT Direct Fit for Genesis Coupe):

Hyundai Santa Fe 3.8 2010-2012, G6DC transverse
Kia Sorento 3.8 2009-2013, G6DA transverse FWD variant
Hyundai Veracruz 3.8 2007-2012, G6DA transverse FWD
Kia Borrego / Mohave 3.8 2008-2012, G6DC transverse

Important: transverse-mounted Lambda II variants from FWD applications are NOT directly compatible with the longitudinal Genesis Coupe application due to different accessory drives, oil pan, mounting points, and orientation.

Condition and Inspection

  • Variant verified (G6DA MPI 306 HP or G6DH GDI 348 HP)
  • Donor vehicle confirmed
  • All 6 cylinders compression tested
  • Oil pressure verified at idle and operating speed
  • D-CVVT dual variable valve timing system tested (intake and exhaust solenoids)
  • GDI direct injection fuel injectors tested (G6DH only)
  • MPI multi-port injectors tested (G6DA only)
  • High-pressure fuel pump function verified (G6DH only)
  • Variable intake solenoid function tested
  • Timing chain condition assessed where observable
  • Spark plug condition documented (6 plugs)
  • Coil pack condition assessed
  • Knock sensor function verified
  • Coolant system function verified
  • Miles from donor vehicle documented where available
  • Variant correctly identified (G6DA MPI vs G6DH GDI)
  • All 6 cylinders compression tested
  • D-CVVT dual variable valve timing verified
  • GDI or MPI fuel system tested per variant
  • Donor vehicle and mileage documented
  • Cross-reference assistance across Hyundai / Kia Lambda II applications
  • Free freight pallet delivery to all 50 states
  • 15 day replacement warranty on internal defects
  • Hyundai / Kia Lambda II V6 specialist support team

Additional information

engine-type

60-degree V angle, DOHC, V6 petrol

engine-family

Hyundai Lambda II V6

manufacturer

Hyundai Motor Company

horsepower-g6da-mpi

300 RPM, 306 HP at 6

horsepower-g6dh-gdi

348 HP at 6, 400 RPM

displacement

3.8 liters (3, 778 cc)

bore-x-stroke

96.0 mm x 87.0 mm

torque-g6da-mpi

266 lb-ft at 4, 700 RPM

torque-g6dh-gdi

295 lb-ft at 5, 300 RPM

compression-ratio-g6da

10.4:1

compression-ratio-g6dh

11.5:1

aspiration

Naturally Aspirated

fuel-system

MPI (G6DA) or GDI direct injection (G6DH)

fuel-type

Premium 91 octane recommended

valvetrain

24 valves, D-CVVT dual variable valve timing, DOHC

block-head-material

Aluminum block, aluminum heads

cooling-system

Liquid cooled

production-years

2008 to 2016 (Genesis Coupe 2010-2016)

direct-fit

Hyundai Genesis Coupe 3.8 (2010-2016), variant-dependent

2 reviews for HYUNDAI GENESIS COUPE 3.8 ENGINE FOR SALE

  1. Andrew Reed (verified owner)

    Wow, the Hyundai Genesis Coupe 3.8 engine from Vaz Auto Solutions is a beast! My car’s performance has taken a major leap. Installation was straightforward, and the engine is running like a dream. Definitely worth every dollar!

  2. Oliver White (verified owner)

    Got the Hyundai Genesis Coupe 3.8 engine from Vaz Auto Solutions. It’s been working well, but I had a few hiccups with installation. Engine performance is solid now, though, and the service was decent. Overall, a good experience.

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Frequently Asked Questions

What engine does the Hyundai Genesis Coupe 3.8 use?

The Lambda II 3.8 liter V6 , in two variants: – 2010-2012: G6DA MPI (multi-port injection), 306 HP / 266 lb-ft – 2013-2016: G6DH GDI (gasoline direct injection), 348 HP / 295 lb-ft Both are naturally aspirated DOHC V6s with D-CVVT (dual variable valve timing).

What's the difference between the 2010-2012 and 2013-2016 Genesis Coupe 3.8 engines?

Major differences: | Feature | 2010-2012 (G6DA MPI) | 2013-2016 (G6DH GDI) | | — | — | — | | Fuel Injection | Multi-port (MPI) | Direct injection (GDI) | | HP | 306 HP at 6,300 RPM | 348 HP at 6,400 RPM (+42 HP) | | Torque | 266 lb-ft | 295 lb-ft (+29 lb-ft) | | Compression Ratio | 10.4:1 | 11.5:1 | | ECU Programming | MPI specific | GDI specific | | Carbon Buildup Risk | Lower (fuel washes valves) | Higher (no fuel on intake valves) | The 2013 GDI variant is significantly more powerful but requires GDI-specific maintenance (periodic intake valve cleaning).

Can I install a 2013-2016 GDI engine in a 2010-2012 Genesis Coupe?

Possible but requires significant work. The G6DH GDI engine has different: – Fuel system (high-pressure pump, direct injectors) – ECU programming – Intake manifold – Wiring harness A 2013-2016 GDI engine into a 2010-2012 chassis requires the matching ECU, fuel system, wiring, and other supporting parts. It’s an extensive project but provides a 42 HP upgrade.

Is the Genesis Coupe 3.8 V6 the same as the Genesis Sedan 3.8 V6?

Same engine family, slightly different tunes: – Genesis Coupe 3.8: Tuned for sports car performance (306 HP MPI or 348 HP GDI) – Genesis Sedan 3.8 (BH 2009-2014): 290-306 HP MPI (G6DA) – Genesis Sedan 3.8 (DH 2015-2016): 311 HP GDI (G6DH) The engines are largely interchangeable between Coupe and Sedan with proper variant matching (MPI vs GDI). The Coupe versions are tuned for slightly higher peak output.

How long does the Lambda II 3.8 V6 typically last?

With proper maintenance: – Normal service with regular oil changes: 200,000+ miles common – Mixed maintenance: 150,000-200,000 miles – Poor maintenance: 100,000-150,000 miles The Lambda II is generally durable when maintained per Hyundai specifications. The G6DH GDI variant requires periodic intake valve cleaning for direct injection carbon buildup (the most significant difference vs the MPI variant).

Does the Genesis Coupe 3.8 need premium fuel?

Premium 91 octane is RECOMMENDED for full output on both MPI and GDI variants. Regular 87 octane is acceptable but the engine will adjust ignition timing to prevent knock, reducing output. For full 306 HP (MPI) or 348 HP (GDI) ratings, use premium.

Can the Lambda II 3.8 be modified for more power?

Modest gains possible: – Bolt-ons (intake, exhaust, ECU tune): 320-360 HP (MPI) or 370-400 HP (GDI) – Supercharger or turbocharger conversion: 500-600+ HP achievable – Built engine with forced induction: 700+ HP possible The Lambda II 3.8 has a strong bottom end (forged crankshaft) and supports significant power increases. Aftermarket support is moderate (less extensive than American V8 platforms but adequate).

What other vehicles use the Lambda II 3.8 V6?

Wide application across Hyundai-Kia: Longitudinal Mount (RWD, compatible with Genesis Coupe): – Hyundai Genesis Sedan – Hyundai Equus – Kia K9 / K900 Transverse Mount (FWD/AWD, NOT compatible with Genesis Coupe): – Hyundai Santa Fe – Hyundai Veracruz – Kia Sorento (early) – Kia Borrego / Mohave When sourcing a Lambda II 3.8 for Genesis Coupe applications, only the longitudinal (RWD) variants are compatible.

Product Warranty

15 Day Replacement Warranty.

Covered:

  • Internal defects discovered at delivery (broken connecting rods
  • Failed bearings at delivery
  • Cracked block
  • Cracked head
  • Broken pistons at delivery
  • Complete loss of compression at delivery
  • Broken crankshaft)

Not Covered:

  • D-cvvt solenoid failures after delivery (high-mileage service item)
  • Gdi carbon buildup on intake valves (g6dh service item)
  • Mpi injector wear (g6da service item)
  • Timing chain stretch after delivery (high-mileage)
  • Variable intake solenoid failures
  • Knock sensor failures
  • Oxygen sensor failures
  • Spark plug wear
  • Normal high-mileage lambda ii service items
  • Freight damage

Contact (240) 301-0095 within 15 days.

Trust Badges

  • Variant Verified: G6DA MPI 306 HP / G6DH GDI 348 HP
  • Donor Vehicle Confirmed: Genesis Coupe / Sedan / Equus / K9 identified
  • All 6 Cylinders Compression Tested: Quality verified
  • D-CVVT Dual Variable Valve Timing Verified: Intake and exhaust VVT function confirmed
  • GDI Direct Injection Tested: G6DH fuel system verified
  • MPI Multi-Port Injection Tested: G6DA fuel system verified
  • Hyundai / Kia V6 Specialist Support: Lambda II expertise
  • Cross-Reference Assistance: Genesis Coupe / Sedan / Equus / K9 applications
  • Free Shipping All 50 States: Freight pallet delivery
  • No Core Charge: Keep your old engine
  • 15 Day Warranty: Internal defects covered