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Hyundai · Mid-Size · 1999–2005

Hyundai XG XG

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 1 engine variants

Engine Overview

The Hyundai XG XG is available with one engine variant at 163 hp.

2.5L V6 (Delta) · Benziner· 163–167 PS
1999 2005
Be Careful 7 weaknesses
Show all weaknesses →

The Hyundai 2.5L V6 (Delta) (Benziner, 163–167 PS) has the G6BV-XG (2.5L V6 (Delta)) — rated: "Be Careful", 7 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Automatic transmission shifts harshly

Input and output sensors in the automatic transmission fail and cause harsh or absent gear changes. A cooling circuit design weakness allows coolant to enter the transmission fluid and ruins the gearbox long-term.

Symptoms: Harsh shift shock when moving from N to D, delayed shifting, transmission limp mode, milky transmission fluid
from 150,000 km
Ad automatic transmission Hyundai XG30transmission sensor XG 350ATF fluid Hyundai XGtorque converter XG
 High
NHTSA Owner Complaints
Above Average
3 complaints · 1999–2005
Body Structure
1
Engine & Cooling
1
Airbags
1
Brakes
1
Hydraulic
1

Top Reported Issues

⚠ Body Structure (1 complaints)
⚠ Engine & Cooling (1 complaints)
⚠ Airbags (1 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 10 weaknesses have been documented for the Hyundai XG XG (1999–2005) — 7 engine-related and 3 vehicle-related. Typical issues affect Gearbox, Rust, Electronics.

XG (G6BV-XG, 1999–2005) — Be Careful: Oil Leak Contaminates Timing Belt, Water Pump Bearing Fails — Overheating, Timing Belt Hardening. Power: 163–167 PS.

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

Frequently Asked Questions

What problems and weaknesses does the Hyundai XG XG have? +
The Hyundai XG XG has 7 known engine weaknesses and 3 vehicle weaknesses.
What should I look for when buying a used Hyundai XG XG? +
faq.watch_a_none
Which engine is recommended? +
Be careful: G6BV-XG (2.5L V6 (Delta)). No engine is rated 'Good Choice'. The most fun to drive is the G6BV-XG (2.5L V6 (Delta)).
Which Hyundai XG XG engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Hyundai XG XG — rated: "Decent". {description} The XG offers big-car comfort at small-car prices — a refined early-2000s highway cruiser.
Is the Hyundai XG XG worth buying used? +
The Hyundai XG XG requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Hyundai XG XG? +
The Hyundai XG XG is available with engine variants from 163 to 167 hp. Petrol: G6BV-XG (2.5L V6 (Delta)).

Last updated: February 2026 · All information without guarantee