Hyundai Sonata 1999-2005

During its fourth generation, spanning from 1999 to 2005, the Hyundai Sonata marked a significant turning point for the model, as Hyundai aimed to compete more aggressively in the midsize sedan market. With a sleeker and more refined design, the Sonata featured a spacious and comfortable interior, making it an attractive choice for families. The build quality improved noticeably, enhancing the car's durability and appeal.

In terms of technology and features, this generation of the Sonata saw significant upgrades, offering amenities like power windows, air conditioning, and an optional sunroof. Safety features such as anti-lock brakes and front airbags were standard or available as options. While the powertrain options varied, the Sonata was known for its efficient and reliable engines. Overall, the fourth-generation Hyundai Sonata from 1999 to 2005 was a pivotal model that helped Hyundai establish itself as a serious contender in the midsize sedan segment, thanks to its improved design, enhanced features, and better build quality.

Hyundai Sonata specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Engine 2.4 L 4-Cylinder DOHC

• Recommended oil viscosity: 10W-30
• Oil certification: API
• Drain Plug Torque: 26-32ft-lbs
• Oil capacity: 4.5 quarts

Spark Plug Gap

• 2.4L 4-Cylinder: 0.044”

Engine 2.7 L 6-Cylinder DOHC

• Recommended oil viscosity: 10W-30
• Oil certification: API
• Drain Plug Torque: 26-32ft-lbs
• Oil capacity: 4.5 quarts

Spark Plug Gap

• 2.7L 4-Cylinder: 0.044”

Fuel

• Capacity: 17.7us.gal (14.7 imp.gal, 67 liter)

Transaxle

• Type: 
  • Manual: HYUNDAI GENUINE PARTS MTF 75W/85 (API GL-4)
  • Automatic: HYUNDAI GENUINE ATF SP III, DIAMOND ATF SP III, SK ATF SP III, or other brands meeting the SP III specification approved by Hyundai Motor Co.
• Capacity: 
  • Manual: 2.4L: 8.24 qt (7.8 L)
  • Automatic: 3.3L: 11.52 qt  (10.9 L)

Power steering

• Type: PSF-3 TYPE FLUID
• Capacity: 0.95 qt (0.9 L)

Brake and clutch fluid

• Type: DOT 3, DOT 4 or equivalent.
• Capacity:  As required

Coolant

• Type: Ethylene glycol base for aluminum radiator
  • Manual: 2.4L: 6.87 qt (6.5 L)
  • Automatic:
  • 2.4L: 6.66 qt (6.3 L)
  • 3.3L: 8.66 qt (8.2 L)

Transfer Case

• Type: API GL-5, SAE 80W/90 (SHELL SPIRAX EQUIVALENT)
• Capacity : 0.85 qt (0.8 L)

Powertrain

Engine

• 2.0 L Theta I4
• 2.0 L Theta II I4
• 2.4 L Theta I4
• 2.4 L Theta II I4
• 3.3 L Lambda V6
• 2.0 L Theta LPi I4
• 2.0 L D CRDi I4

Transmission

• 4-speed automatic
• 5-speed manual
• 6-speed manual (2.0 CRDI)
• 5-speed automatic

Fuel Consumption

Safety Ratings

Front Lights

• Front Fog Light Bulb: 9006
• Front Sidemarker Light Bulb: 2357NA
• Front Turn Signal Light Bulb: 2357NA
• High Beam Headlight Bulb: H1-55W
• Low Beam Headlight Bulb: H7-55W

Rear Lights

• Back Up Light Bulb: 1156
• Brake Light Bulb: 1157
• Center High Mount Stop Light Bulb: LED
• License Plate Light Bulb: 168
• Parking Light Bulb: 2357NA
• Rear Sidemarker Light Bulb: 1157
• Rear Turn Signal Light Bulb: 1156A
• Tail Light Bulb: 1157

Interior Lights

• Courtesy Light Bulb: 168
• Dome Light Bulb: 47830
• Map Light Bulb: 47830
• Trunk Light Bulb: 6418