Install Chrome Extension Chrome Extension
Hyundai · Mid-Size · 2007–2008 Custom Search

Hyundai Sonata NF-FL

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 4 engine variants · How we rate
Most Fun Engine

232 PS

Sonata · Benzin

Family sedan, mile-eater

Decent

Generations

Engine Overview

The Hyundai Sonata NF-FL is available with one engine variant at 113 hp.

3.3L V6 (Lambda) · Petrol· 232–235 PS
2007 2008

First Lambda V6 with CVVT. Smooth, adequately powerful for the mid-range. Chain-driven, moderate upkeep.

  • !! Water Pump Leak from 90,000 km

    The belt-driven water pump on the 2.7L V6 leaks at the shaft seal. If it leaks onto the timing belt, immediate belt failure follows. Preventive replacement at every timing belt service is mandatory.

    Symptoms: Coolant loss with no visible external leak, overheating, coolant staining in the timing belt area.
    400–900 $
    Ad water pump G6DBwater pump 2.7 V6 Santa Fe25100-3C100
  • !! Timing belt failure — engine damage from 90,000 km

    The G6BA/G6DB is an interference engine with a timing belt. Belt failure inevitably causes bent valves and often connecting rod damage. The 90,000 km / 6-year service interval is frequently exceeded.

    Symptoms: Sudden engine stall without warning, no restart possible, metallic noise when cranking.
    2,000–5,000 $
    Ad timing belt kit G6DBtiming belt kit 2.7 V6 Hyundai24312-3C201
  • !! Oil Consumption and Camshaft Wear from 180,000 km

    The Lambda 3.3 V6 can show elevated oil consumption at high mileages through valve stem seal and piston ring wear. Regular oil level checks are important.

    Symptoms: Blue smoke on startup, dropping oil level, faint oil smell.
    600–2,000 $
    Ad G6DB valve stem sealsLambda 3.3 V6 oil consumption

+ 4 more engine weaknesses + vehicle weaknesses
Known Problems and Issues +

A total of 26 weaknesses have been documented for the Hyundai Sonata NF-FL (2007–2008).

Sonata (D4EA, 2006–2008) — Be Careful: Common-rail injector wear, Turbocharger failure, Head gasket failure. Power: 136–140 PS.

Sonata (G4KA, 2004–2008) — Be Careful: Timing chain stretches — valve collision risk, Oil sludge buildup from overextended change interval, Timing belt failure with engine damage. Power: 144 PS.

Sonata (G4KJ, 2005–2008) — Be Careful: Rod Bearing Failure from Manufacturing Debris (Recall), Oil Consumption from Piston Ring Defect, Theta II Class Action — $1.3B Settlement. Power: 162 PS.

Sonata (G6DB, 2005–2008) — Be Careful: Water Pump Leak, Timing belt failure — engine damage, Oil Consumption and Camshaft Wear. Power: 232–235 PS.

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

Frequently Asked Questions

What problems and weaknesses does the Hyundai Sonata NF-FL have? +
The Hyundai Sonata NF-FL has 26 known engine weaknesses.
What should I look for when buying a used Hyundai Sonata NF-FL? +
faq.watch_a_none
Which engine is recommended? +
Be careful: D4EA (2.0L CRDi), G4KA (2.0L (Theta)), G4KJ (2.4L GDi (Theta II)), G6DB (3.3L V6 (Lambda)). No engine is rated 'Good Choice'. The most fun to drive is the G6DB (3.3L V6 (Lambda)).
Which Hyundai Sonata NF-FL engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Hyundai Sonata NF-FL — rated: "Decent". {description} The Sonata is a sensible, spacious Korean sedan. Reliable, economical, and making no attempt at excitement.
Is the Hyundai Sonata NF-FL worth buying used? +
The Hyundai Sonata NF-FL requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Hyundai Sonata NF-FL? +
The Hyundai Sonata NF-FL is available with engine variants from 113 to 250 hp. Petrol: G4KA (2.0L (Theta)), G4KJ (2.4L GDi (Theta II)), G6DB (3.3L V6 (Lambda)). Diesel: D4EA (2.0L CRDi).

Last updated: February 2026 · All information without guarantee