HyundaiSonata1997Overview/hyundai/sonata/1997/base/

1997 Hyundai Sonata

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1997 Sonata.

Body PASSENGER CAR

The 1997 Hyundai Sonata is a passenger car engineered with a 4.2-quart engine oil capacity that calls for 20W-40, 20W-50, or 10W-30 API viscosity grades. Within the model's extensive complaint history spanning from 1990 to 2026, this particular year occupies a relatively quiet tier with only 60 total owner complaints and 2 recalls, primarily focused on the gasoline fuel system. Sitting closer to the lowest recorded year of 2026, which saw just 2 complaints, than to the 2011 peak of 3,368 complaints, the 1997 edition's low complaint volume indicates a stable period in the vehicle's lineage that provides researchers a reliable baseline for examining the model's long-term reliability trends.

Model year202520242023202220212020201920181997

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.2 qtOEM · verified
Engine oil type20W-40 / 20W-50 / 10W-30 APIOEM · verified
Lug nut torque65-80 ft-lbsOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 25 · 420 CCA battery. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 25 · 420 CCAOEM · verified
Tire sizeP195-70R14OEM · verified
Wheel / rim5.5-JJ inOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length185 in
Overall width69.7 in
Overall height55.5 in
Wheelbase106.3 in
Curb weight2853 lb
Track (front / rear)59.1 / 59.1 in

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Sonata of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

9.3 sec0–60 mph (tested)quickest 9.30 sec — 1997 GL V-6
YearTrim / engine0–60¼ mileHPDrivetrain
1997GL V-6 3.0L V69.30 sec17.10 sec155 hpFWD
2000GLS V6 2.5L V610.30 sec17.50 sec170 hpFWD
2002GLS V6 2.7L V68.50 sec16.40 sec170 hpFWD
2002GLS V6 2.7L V68.80 sec16.70 sec170 hpFWD
2003GLS V6 2.7L V68.60 sec16.70 sec170 hpFWD
1990GLS V6 3.0L V69.90 sec17.20 sec143 hpFWD
1989GLS 2.4L I-410.50 sec17.30 secFWD
2006LX V6 3.3L V66.60 sec15.30 sec235 hpFWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.2 qt of 20W-40 / 20W-50 / 10W-30 API engine oil, DOT 3 brake fluid. Torque lug nuts to 65-80 ft-lbs. The firing order is 1-2-3-4-5-6. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine OilABOVE 32 degrees F
Engine Oil Capacity4.2 qt
Engine Oil10W-30 · API · 5W-30
Engine Oil Capacity3.5 qt
Power Steering FluidATF

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs14-15 ft-lbs
Connecting Rod (Large End) Bearings36-38 ft-lbs
Cylinder Head Steps3
Engine Flywheel Bolts94-101 ft-lbs
Intake Manifold to Engine Bolts13-18 ft-lbs
Exhaust Manifold to Cylinder Head Bolts22-30 ft-lbs
Intake Manifold to Engine Bolts11-14 ft-lbs
Exhaust Manifold to Cylinder Head Bolts11-14 ft-lbs

Chassis torques

Lug Nuts65-80 ft-lbs
Front Wheel Hub148-192 ft-lbs
Rear Wheel Hub167 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)800 rpm
Curb Idle Speed Variance (No Load)100 rpm
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)100 rpm
Ignition Coil Primary Resistance.77-.95 ohms
Ignition Coil Secondary Resistance10,300-13,900 ohms

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.55-1.67 lbs
Oil GroupPAG
Oil TypeFD46XG
Oil Capacity7.00-7.78 oz
Standard BCI Group Number25
Standard BCI Cranking Performance420 cca
Optional BCI Group Number24

Service checks

Pressure Test21 psi
Radiator Cap Pressure Relief12-16 psi
Thermostat Opening Temperature190 °F
Pressure Test21 psi
Radiator Cap Pressure Relief12-16 psi
Thermostat Opening Temperature190 °F
Regulated Fuel System Pressure (Without Vacuum)37.0 psi
Regulated Fuel System Pressure (With Vacuum)43.3 psi

Brakes

Torque to Knuckle16-23 ft-lbs / 65-80 ft-lbs
Torque Caliper to Bracket51-63 ft-lbs
Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Minimum Shoe Thickness0.039 in
Drum Runout Limit0.006 in
Drum Nominal Diameter9 in / 8.858 in
Drum Discard at-or-over9.079 / 8.936
Rotor Runout Limit0.0039 in

Multi-step torque procedures OEM · verified

Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
114-22 ft. lbs., step 2: 20-29, small ft. lbs., step 3: 80-94 ft. lbs., step 4: 110-130, large14–22 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
1108-116 ft. lbs., step 2: 147-157108–116 ft. lbs
Cylinder Head — tightening sequence 3 stages

Prep M10 bolts

122 ft. lbs.22 ft. lbs
260 degrees60 degrees
360 degrees; M12 bolts60 degrees
126 ft. lbs.26 ft. lbs
260 degrees60 degrees
360 degrees60 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 60,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 miAir Conditioning System (inspect) · Axle Shaft Oil Seal (inspect) · Brake Line (inspect) · CV Joint Boot (inspect) · Exhaust System (Complete) (inspect) · Steering System (inspect)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Brake System (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Fuel Evaporative Emission Control System Lines (inspect) · Fuel Line (inspect)
Every 37,500 miAccessory Drive Belt (inspect)
Every 52,500 miFuel Filter (replace) · PCV Hose (inspect) · Vacuum Line (inspect)
Every 60,000 miSpark Plugs (replace) · Timing Belt (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1997 Hyundai Sonata logged 60 federal complaints, 2 recalls, and 59 technical service bulletins (TSBs), with issues primarily concentrated in the fuel system (14 complaints), power train (10), and airbags (7). Within the broader generational arc, the early 1990s saw relatively moderate federal records, but 1997 represents a distinct spike compared to the preceding year (29 complaints in 1996) and acts as a precursor to the dramatic escalation of issues that plagued later models starting in 1999 (135 complaints). Although 1997's complaint volume is substantially lower than the massive figures seen in the 1999-2006 era, the sharp year-over-year increase in TSBs—from 10 in 1990 to 59 in 1997—indicates the platform was experiencing mounting technical complexities. The data does not specify the root causes for these failures, though the model year also recorded 6 crash and 1 fire complaint. Given its position on the upward trend of the generation's federal record and its elevated fuel system complaints, the 1997 Sonata is a risky purchase; buyers should demand thorough documentation of fuel and powertrain repairs before considering this specific used model.

2
Open recalls
NHTSA campaigns
59
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
60
Owner complaints
6 involved a crash · 1 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 60 complaints on record, top 8 components.

Fuel System, Gasoline14
Power Train10
Air Bags7
Engine & Engine Cooling6
Visibility3
Latches/Locks/Linkages2
Electrical System2
Exterior Lighting,Air Bags2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

00V314001Fuel System, Gasoline:Storage:Tank AssemblyReported 02/10/2000

VEHICLE DESCRIPTION: ACCENT GT MODEL VEHICLES EQUIPPED WITH DOHC ENGINES MANUFACTURED FROM DECEMBER 19, 1996 THROUGH JUNE 30, 1997; 1998 ACCENT MODEL VEHICLES MANUFACTURED FROM MAY 6, 1997 THROUGH JUNE 25, 1998; 1997… Remedy: DEALERS WILL PRESSURE CHECK THE VEHICLE'S FUEL TANK TO DETERMINE IF IT HAS CRACKED. IF IT IS CRACKED, A NEW FUEL TANK WILL BE INSTALLED. A NEW FUEL FILLER CAP THAT DECREASES THE…

97V026000Visibility:Windshield Wiper/Washer:MotorReported 26/02/1997

THE WINDSHIELD WIPER MOTOR CIRCUIT BREAKER ELECTRICAL CONTACTS WERE CONTAMINATED DURING ASSEMBLY. Remedy: DEALERS WILL REMOVE THE CONTAMINANTS FROM THE WINDSHIELD WIPER MOTOR CIRCUIT BREAKER CONTACTS.

Technical service bulletins NHTSA · verified

Showing 5 of 59 bulletins on record with NHTSA.

BulletinDateComponentSummary
23-BD-002H2023-01-30VisibilityThis bulletin provides information regarding condensation related to the accumulated…
21-AT-006H2021-05-21Power TrainHyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the…
21-EM-004H2021-03-30Engine And Engine CoolingThis bulletin provides the service procedure for engine connecting rod bearing clearance…
21-BR-002H2021-03-23Service BrakesThis bulletin provides best practice recommendations when performing brake service…
21-EM-003H2021-03-10Engine And Engine CoolingThis bulletin provides the inspection procedure and repair guidelines for certain…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Sonata. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1997 Sonata take?

4.2 qt of ABOVE 32 degrees F: 20W-40 OR 20W-50 API SM, ABOVE -10 degrees F: 10W-30, 10W-40 OR 10W-50 API SM, BELOW 100 degrees F: 5W-30 OR 5W-40 API SM, per the factory manual.

Does the 1997 Sonata have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.