Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 Elantra.
The 2003 Hyundai Elantra is a passenger car equipped with a 4-speed automatic transmission that achieves EPA fuel economy ratings of 22/30/25 mpg, while engine maintenance specifies 4.2 quarts of 20W-40, 20W-50, or 10W-30 API oil. Reliability data for this year shows 234 total owner complaints with suspension as the top complaint area, accompanied by 5 recalls. Contextualized against the model's history from 1992 to 2026, the 2003 Elantra's complaint count remains far below the 1325 reported in 2013 but exceeds the 21 complaints logged in 2025. This positioning defines the vehicle as an intermediate case in the model's reliability history, indicating a profile that avoids the lineage's peak dissatisfaction without reaching the lowest recorded thresholds.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 124R · 550 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.
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic 4-spd |
| Overall length | 177.2 in |
| Overall width | 67.7 in |
| Overall height | 56.3 in |
| Wheelbase | 102.8 in |
| Curb weight | 2683 lb |
| Track (front / rear) | 58.7 / 58.3 in |
| Weight distribution (front / rear) | 63/37 |
| EPA city / highway / combined | 22 / 30 / 25 mpg |
| Drivetrain | Front-Wheel Drive |
| Passenger volume | 95 cu ft |
| Cargo volume | 13 cu ft |
| Recommended fuel | Regular Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the Elantra of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 2002 | GT 5-door Hatchback 2.0L I-4 | 8.00 sec | 16.30 sec | 135 hp | FWD |
| 2002 | GLS Sedan 2.0L I-4 | 8.50 sec | 16.70 sec | 138 hp | FWD |
| 2001 | GLS Sedan 2.0L I-4 | 8.40 sec | 16.50 sec | 140 hp | FWD |
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 oil drain plug to 25.0-33.0 ft-lbs. The firing order is 1-3-4-2.
| Brake Fluid | DOT 3 |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | ABOVE 32 degrees F |
| Engine Oil Capacity | 4.2 qt |
| Camshaft Bearing/Carrier Cap Bolts or Studs | 10-11 ft-lbs |
| Connecting Rod (Large End) Bearings | 37-39 ft-lbs |
| Engine Flywheel Bolts | 90-96 ft-lbs |
| Engine Oil Pan Drain Plug | 25.0-33.0 ft-lbs |
| Lug Nuts | 65-80 ft-lbs |
| Front Wheel Hub | 159-192 ft-lbs |
| Rear Wheel Hub | 170 ft-lbs |
| Cylinder Firing Order | 1-3-4-2 |
| Curb Idle Speed (No Load) | 700 rpm |
| Curb Idle Speed Variance (No Load) | 100 rpm |
| Ignition Coil Primary Resistance | .45-.55 ohms |
| Ignition Coil Secondary Resistance | 10,300-13,900 ohms |
| Spark Plug Manufacturer | NGK |
| Spark Plug Gap | 0.039-0.0.043 in |
| Spark Plug Torque | 15.0-21.0 ft-lbs |
| Refrigerant | R134a |
| Refrigerant Capacity | 1.27-1.38 lbs |
| Oil Group | PAG |
| Oil Type | 46 |
| Oil Capacity | 4.73-5.40 oz |
| Standard BCI Group Number | 124R |
| Standard BCI Cranking Performance | 550 cca |
| Regulated Fuel System Pressure (With Vacuum) | 50.0 psi |
| Injector Primary Resistance | 13-16 @ 68 degreesF ohms |
| Engine Compression | 203-218. 14 maximum variation PSI. |
| Brake Application | WITH REAR DISC BRAKES |
| Torque to Knuckle | 16-24 ft-lbs / 67-82 ft-lbs |
| Torque Caliper to Bracket | 48-55 ft-lbs |
| Minimum Pad Thickness | Front: 0.079; Rear: 0.079 in |
| Minimum Shoe Thickness | 0.039 in |
| Brake Application | WITH REAR DISC BRAKES |
| Rotor Max Parallel Variation | 0.0004 in |
| Rotor Runout Limit | 0.003 in |
| 1 | 125-133 ft. lbs., step 2: 170-180 | 125–133 ft. lbs |
| 1 | 20-24 ft. lbs., Step 2: 60-65 | 20–24 ft. lbs |
Normal service, condensed from the factory interval matrix.
| Every 7,500 mi | Tire & Wheel Assembly (rotate) |
| Every 15,000 mi | Brake Line (inspect) · Brake Linings (inspect) · Brake Rotor (inspect) · Disc Brake Caliper (inspect) |
| Every 30,000 mi | Brake Drum Assembly (inspect) · Brake Hydraulic System (inspect fluid level) · Parking Brake System (inspect) |
| Every 60,000 mi | Engine Valves (inspect valve lash) |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2003 Hyundai Elantra sits at a transitional point in its generation, following the 2001–2002 peak in complaints (330–349) and recalls (6 each year), but before the gradual decline in reported issues from 2004 onward. While its 234 complaints and 5 recalls represent a slight improvement from the preceding two years, they remain elevated compared to the 182 complaints and 5 recalls of 2004, suggesting lingering quality-control or design maturation challenges. The data shows a clear trend of escalating complaints in the early 2000s, with the 2003 model year neither the worst nor the best in its cohort—its top issues (suspension, air bags, and engine cooling) mirror broader generation-wide concerns, though crash-related complaints (42) and a single fire report indicate persistent safety-related vulnerabilities. The recall count, while lower than 2001–2002, still reflects active corrective actions by Hyundai, implying unresolved systemic risks. Given this context, the 2003 Elantra is a **marginal buy**—better than its immediate predecessors but not yet benefiting from the refinements seen in later model years, warranting thorough pre-purchase inspection, especially of suspension and air bag systems.
All 234 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 5 campaigns on record for this vehicle.
HYUNDAI IS RECALLING 160,904 MY 2001-2003 ELANTRA AND MY 2003 TIBURON VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS… Remedy: DEALERS WILL INSPECT THE FRONT LOWER CONTROL ARMS FOR CORROSION DAMAGE. IF SPECIFIED LEVELS OF INTERNAL CORROSION DAMAGE ARE FOUND, THE FRONT LOWER CONTROL ARMS WILL BE REPLACED…
ON CERTAIN PASSENGER VEHICLES, THE REAR BRAKE TUBES PASS BEHIND THE FRONT SUSPENSION CROSSMEMBER. TWO STEERING GEARBOX MOUNTING BRACKETS ARE WELDED TO THE CROSSMEMBER. ON VEHICLES EQUIPPED WITH AN ANTILOCK BRAKE SYSTEM… Remedy: DEALERS WILL REPOSITION THE REAR BRAKE TUBES SO THEY DO NOT CONTACT THE MOUNTING BRACKETS, INSTALL BRAKE TUBE CLIPS TO CONTROL THE LOCATION OF THE REAR BRAKE TUBES, AND APPLY…
Showing 5 of 68 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| DTN DL | 2026-04-10 | Air Bags | The National Highway Traffic Safety Administration (NHTSA) has identified the presence of… |
| DTN DCS | 2026-04-10 | Air Bags | The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety… |
| 25-BD-012H TSB | 2025-11-05 | Exterior Lighting | This bulletin provides information regarding condensation related to the accumulated… |
| 24-BD-001H | 2024-02-14 | Visibility | This bulletin contains information about the proper removal of the windshield wiper blade… |
| 23-EM-005H | 2023-10-13 | Engine And Engine Cooling | This bulletin provides important checkpoint guidelines when performing engine oil and… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
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.
NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 22 city / 30 highway / 25 combined mpg.