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Hyundai · Luxury · 2011–2016 Custom Search

Hyundai Grandeur HG

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 1 engine variants · How we rate

The Grandeur HG is the fifth generation of Hyundai's Korean flagship sedan — significantly better built than the TG predecessor, but still a niche vehicle in Western markets. Direct injection, VVT, comprehensive standard equipment: technically up to date for its era.

Test drive: G6DJ 3.8 V6 Lambda II 260 hp: the only engine in the European KB. Big displacement, a coupé-like exhaust note, real urgency. Typical Lambda II issue: GDI injectors allow carbon buildup on intake valves — noticeable after 50,000–65,000 miles with lower quality fuel. Walnut blasting runs $350–$600, worth doing at purchase. Automatic: Aisin 6-speed is reliable, but don't skip transmission fluid changes every 40,000 miles. Oil consumption is modest but real in higher-mileage examples. Suspension: tuned for comfort, not agility — shock absorbers and mounts check needed at 75,000 miles. Electrical comfort features (rear sunshade motor etc.) are the first things to fail on aged examples.

Market 2026: Scarce in the US. Korean imports occasionally appear. Expect $6,500–$14,000 for a solid HG. Parts sourcing is more difficult than for the TG — Korean importers are the main resource for complex assemblies.

Insider pick: HG with documented oil change intervals under 6,000 miles — oil discipline is everything with the Lambda II. Budget for intake valve cleaning at purchase.

Generations

Engine Overview

The Hyundai Grandeur HG is available with one engine variant at 260 hp.

3.8L V6 (Lambda II) · Petrol· 260 PS
2011 2016

Large V6 from the Lambda II family — 3.8L with GDI direct injection, 232–266 kW in Genesis and Kia Stinger. Intake valve carbon buildup from GDI is the dominant theme — valves soot up massively without port washing. CVVT phaser leaks oil onto camshaft sensor. Timing chain rattles with neglected oil changes. Oil consumption from seized piston rings. Walnut-blasting of intake valves every 60,000–80,000 km recommended.

  • !! Intake valve carbon buildup Lambda II T-GDi V6 from 60,000 km

    Direct injection (GDI) without intake valve washing — carbon buildup from 60,000 km, walnut blasting recommended. More involved on 6 cylinders than on four-cylinders.

    Symptoms: Rough idle, power dip, misfires, increased fuel consumption.
    800–2,000 $
    Ad G6DJ carbon cleaningLambda II 3.3 T-GDi Genesis valve cleaning
  • !! CVVT phaser leaks oil — camshaft sensor contaminated from 120,000 km

    The CVVT phasers on the G6DJ can leak oil internally due to aging O-rings. The camshaft sensor gets contaminated and sends false signals. Oil consumption also rises gradually.

    Symptoms: Check engine light (VVT fault code), rough idle on cold start, elevated oil consumption, tapping noise on cold start.
    200–1,000 $
    Ad G6DJ CVVT phaserLambda II VVT actuatorGenesis 3.8 OCV valve243552G000
  • !! Timing chain rattle after cold start with extended oil change intervals from 150,000 km

    The timing chains on the G6DJ rattle on cold start when oil change intervals are exceeded or the wrong oil is used. Extended intervals significantly accelerate chain wear.

    Symptoms: Chain rattle for the first 10–30 seconds after cold start, VVT fault codes, power loss under partial load.
    600–2,500 $
    Ad G6DJ timing chainLambda II 3.8 timing chain kitGenesis 3.8 timing chain tensioner

+ 3 more engine weaknesses + vehicle weaknesses

Vehicle Weaknesses

WeaknessCost
✖Automatic gearbox fails

Input and output speed sensors for the automatic gearbox fail and put the gearbox into limp mode. Transmission electronics considered unreliable. On motorways, hard shifting impulses can occur on failure.

Symptoms: Vehicle shifts abruptly and hard, stays in one gear, transmission limp mode indicator, vehicle judders on acceleration
from 150,000 km
Ad automatic transmission sensor Hyundai Grandeur HGATF oil Grandeur 2012torque converter Grandeur HG
 High

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Known Problems and Issues +

A total of 11 weaknesses have been documented for the Hyundai Grandeur HG (2011–2016) — 6 engine-related and 5 vehicle-related. Typical issues affect Gearbox, Electronics, Interior, Other.

Grandeur (G6DJ, 2011–2016) — Be Careful: Intake valve carbon buildup Lambda II T-GDi V6, CVVT phaser leaks oil — camshaft sensor contaminated, Timing chain rattle after cold start with extended oil change intervals. Power: 260 PS.

What to watch out for with the Hyundai Grandeur? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Hyundai Grandeur HG have? +
The Hyundai Grandeur HG has 6 known engine weaknesses and 5 vehicle weaknesses.
What should I look for when buying a used Hyundai Grandeur HG? +
faq.watch_a_none
Which engine is recommended? +
Be careful: G6DJ (3.8L V6 (Lambda II)). No engine is rated 'Good Choice'. The most fun to drive is the G6DJ (3.8L V6 (Lambda II)).
Which Hyundai Grandeur HG engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Hyundai Grandeur HG — rated: "Decent". {description} The Grandeur is big, comfortable, and completely uninterested in cornering speed.
Is the Hyundai Grandeur HG worth buying used? +
The Hyundai Grandeur HG requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Hyundai Grandeur HG? +
The Hyundai Grandeur HG is available with engine variants from 260 to 271 hp. Petrol: G6DJ (3.8L V6 (Lambda II)).

Last updated: February 2026 · All information without guarantee