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2003 Buick Regal Overview, Reviews, Ratings & Specs

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Jovan | March 31, 2025

The 2003 Buick Regal is a mid-size sedan that was part of Buick's long-running Regal line. Known for its comfortable ride and spacious interior, the Regal catered to buyers seeking a practical and refined family car. The 2003 model was available in LS and GS trims. New pricing ranged approximately from $23,000 to $26,000. It stood out for offering a blend of comfort and value, making it a popular choice for those prioritizing a smooth, quiet driving experience.

The Good

The 2003 Buick Regal offers a comfortable and quiet ride, appealing to those seeking relaxation. Its reliable engine and straightforward design attract practical buyers. The supercharged GS trim provides a surprising performance boost, creating an enjoyable driving experience, while the overall value proposition is attractive due to its competitive pricing.

The Bad

Known weaknesses of the 2003 Buick Regal include potential issues with the intake manifold gasket, leading to coolant leaks. Some owners have also reported problems with the automatic transmission and electrical components. Rust can be a concern in certain climates, so check the undercarriage and body panels for corrosion.

2003 Buick Regal: Quick Overview

  • Engine Options:
    • 3.8L V6 (LS): 200 horsepower
    • 3.8L Supercharged V6 (GS): 240 horsepower
  • Horsepower:
    • LS: 200 hp @ 5200 rpm
    • GS: 240 hp @ 5200 rpm
  • Fuel Economy (EPA Estimated):
    • LS: 19 mpg city / 29 mpg highway
    • GS: 18 mpg city / 27 mpg highway
  • 0-60 Times:
    • LS: Approximately 8.5 seconds
    • GS: Approximately 7.0 seconds
  • Towing Capacity: Not recommended for towing.
  • Trim-Level Features:
    • LS (Base): Cloth upholstery, power windows and locks, air conditioning, cruise control, AM/FM stereo with CD player, anti-lock brakes (ABS), and dual front airbags.
    • GS (Upgraded): Leather upholstery, upgraded sound system, alloy wheels, fog lights, traction control, and a supercharged engine. GS models often included features like automatic climate control and driver information center. Both trims included standard safety features for the time, such as front airbags. The GS also had sportier styling cues, like a rear spoiler and unique badging. Interior features were generally more luxurious on the GS, offering enhanced comfort and convenience for both driver and passengers. The ride and handling characteristics also differed slightly, with the GS tuned for a more engaging driving experience.

2003 Buick Regal Specifications

Vehicle Information
Year 2003
Make Buick
Model Regal
Trim -
Style -
Type Sedan
Category Compact Car
Manufacturing Details
Made In Canada
Manufacturing City STE. THERESE
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine L67
Engine Size 3.1L
Engine Cylinders 6
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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Analysis

What Problems Does the 2003 Buick Regal Have?

Frequently reported problems for the 2003 Buick Regal often revolve around the 3.8L V6 engine, particularly the intake manifold gasket. This gasket can fail, leading to coolant leaks and potential engine damage if not addressed promptly. Automatic transmission issues, such as slipping or rough shifting, have also been reported, especially as the vehicle ages and accumulates mileage. Electrical problems, including issues with the power windows, door locks, and instrument cluster, are not uncommon.
Rust can be a significant concern in regions with harsh winters or coastal areas. Inspecting the undercarriage, rocker panels, and wheel wells for rust is crucial.
While the 2003 model year itself didn't have any significant recalls, it's important to check the NHTSA (National Highway Traffic Safety Administration) website for any safety recalls related to specific VINs. Long-term reliability concerns generally stem from the aforementioned issues, combined with the wear and tear associated with an older vehicle. Regular maintenance, including timely fluid changes and inspections, can help mitigate some of these problems, but potential buyers should be aware of these common issues before making a purchase.

How long will the 2003 Buick Regal last?

With proper maintenance, a 2003 Buick Regal can easily reach 200,000 miles or more. Many owners report exceeding this mileage with regular servicing. However, long-term durability depends heavily on maintenance habits. Neglecting oil changes, coolant flushes, and other routine tasks can significantly shorten the vehicle's lifespan. The primary weaknesses over time are the aforementioned intake manifold gasket, transmission issues, and rust. Addressing these issues promptly is key to ensuring long-term reliability. The engine itself is generally robust, but its longevity is tied to proactive maintenance.

What Technology & Safety Features are Included?

The 2003 Buick Regal's built-in tech and entertainment features were fairly basic by modern standards. Standard features included an AM/FM stereo with a CD player. The GS trim offered an upgraded sound system. There were no advanced driver-assistance systems available in 2003 like lane departure warning or blind-spot monitoring.
Safety features included dual front airbags and anti-lock brakes (ABS). Traction control was available on the GS trim. Side airbags were not available. Power windows, locks, and mirrors were standard. Cruise control was also a standard feature.
Crash-test ratings from the NHTSA (National Highway Traffic Safety Administration) were generally favorable for frontal impact protection. The Regal typically earned four or five stars for driver and passenger protection in frontal crashes. However, side-impact protection ratings were lower, usually around three stars. The IIHS (Insurance Institute for Highway Safety) ratings for the 2003 Regal were also available, providing further insights into its crashworthiness. Considering its age, the Regal's safety features are limited compared to modern vehicles. However, it offered adequate protection for its time, especially in frontal collisions.

What Colors Options are Available?

Exterior Colors
Crimson Red Tintcoat
Dark Bronzemist Metallic
Medium Teal Metallic
Sandrift Metallic
White
Black
Interior Colors
Light Neutral
Graphite

2003 Buick Regal Prices and Market Value

When new, the 2003 Buick Regal ranged in price from approximately $23,000 to $26,000, depending on the trim and options. As a used vehicle, prices vary widely based on condition, mileage, and location. Expect to find them priced between $2,000 and $6,000, potentially even lower for models with high mileage or mechanical issues. Depreciation has been significant, as is typical for vehicles of this age. Factors affecting resale value include the overall condition of the vehicle, the presence of rust, the functionality of key components (engine, transmission), and the demand for older, fuel-efficient sedans.

2003 Buick Regal Cost of Ownership

The 2003 Buick Regal is generally considered economical to own, but age-related repairs can increase costs. Insurance is typically affordable. Fuel economy is reasonable for its class, but not exceptional. Maintenance costs are average, but repairs related to the intake manifold gasket, transmission, or rust can be costly. Parts are generally readily available and relatively inexpensive. Long-term ownership costs will depend heavily on the vehicle's condition and maintenance history.

2003 Buick Regal Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2003 Buick Regal Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Side Barrier Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2003 Buick Regal Recalls & Defects

Steering
Recall date 2008-10-17
Recall no. 08e063000
Source NHTSA
Summary Dorman Products IS Recalling 3,900 Intermediate Steering Shafts Dorman Part Nos. 425-151, 425-152, and 425-153, (Sold Under Dorman's "OE Solutions" Brand Name), Balkamp #'S 7-3057, 7-3058, 7-3059 (Sold Under THE "napa" Brand Name), and Platinum Parts #'S 2425151, 2425152, and 2425153 Manufactured During THE Month OF September 2007. These Replacement Steering Shafts CAN BE Used ON THE Vehicles Listed Above. THE Weld Connecting THE Inner Tube TO THE Outer Tube MAY BE Defective.
Consequence IF THE Weld Fails, Loss OF Steering Could Result, Possibly Resulting IN A Vehicle Crash.
Remedy Dorman Will Notify Owners and Replace THE Steering Shafts Free OF Charge. THE Recall Began ON October 16, 2008. Owners MAY Contact Dorman Toll Free AT 1-800-523-2492.
Notes This Recall Only Pertains TO Dorman's OE Solutions Brand Name, Balkamp's Napa Brand, and THE Platinum Brand Steering Shafts and HAS NO Relation TO ANY Original Equipment Installed ON Vehicles Manufactured BY General Motors Corporation.customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.
Engine and Engine Cooling
Recall date 2009-04-08
Recall no. 09v116000
Source NHTSA
Summary General Motors IS Recalling 1,497,516 MY 1997-2003 Buick Regal, MY 1998-2003 Chevrolet Lumina, Monte Carlo and Impala, MY 1998-1999 Oldsmobile Intrigue, MY 1997-2003 Pontiac Grand Prix Vehicles Equipped With A 3.8l V6 Naturally Aspirated Engine. Some OF These Vehicles Have A Condition IN Which Drops OF Engine OIL MAY BE Deposited ON THE Exhaust Manifold Through Hard Braking.
Consequence IF THE Manifold IS HOT Enough and THE OIL Runs Below THE Heat Shield, IT MAY Ignite Into A Small Flame and MAY Spread TO THE Plastic Spark Plug Wire Channel and Beyond Increasing THE Risk OF AN Engine Compartment Fire.
Remedy Dealers Will Replace THE Engine?s Front Valve Cover and Front-Valve-Cover Gasket With NEW Parts OF AN Improved Design and Remove THE Engine?s Plastic Cover and Plastic Oil-fill-tube Extension, Free OF Charge. THE Recall IS Expected TO Begin During MAY 2016. Owners MAY Contact Chevrolet AT 1-800-630-2438, Oldsmobile AT 1-800-630-6537, and Pontiac AT 1-800-620-7668 or Http://Www.pontiac.com or Http:www.gmownercenter.com.
Notes GM Recall NO. 09047.owners MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO <A Href=http://Www.safercar.gov>http://www.safercar.gov</a> .
Steering
Recall date 2009-02-17
Recall no. 09e005000
Source NHTSA
Summary Dorman IS Recalling 979 Steering Knuckles, Dorman P/Nos. 697-902 and 697-903, Sold Under Dorman's "OE Solutions<sup>tm</Sup>" Brand Name, and Napa P/nos. 7-8502 and 7-8503 Which Were Sold FOR Replacement USE ON THE Various Vehicles Listed Above. A Potential Material or Design Defect Could Result IN THE Steering Knuckle Breaking IN THE HUB Area.
Consequence A Broken Steering Knuckle Could Result IN Loss OF Steering Control and A Possible Crash Without Warning.
Remedy Dorman Will Notify Owners and Replace THE Defective Steering Knuckles Free OF Charge and Reimburse THE Repair Facility or Owner FOR Labor. THE Recall Began ON February 23, 2009. Owners MAY Contact Dorman's Toll-Free Hotline AT 1-800-523-2492 and Press 5.
Notes This Recall Only Pertains TO Aftermarket Dorman Steering Knuckles and HAS NO Relation TO ANY Original Equipment Installed ON Vehicles Manufactured BY General Motors Corporation.owners MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO <A Href=http://Www.safercar.gov>http://www.safercar.gov</a> .
Engine and Engine Cooling
Recall date 2008-03-12
Recall no. 08v118000
Source NHTSA
Summary GM IS Recalling 207,542 MY 1997-2003 Buick Regal and Pontiac Grand Prix Vehicles Equipped With A 3.8l Supercharged V-6 Engine. These Vehicles Have Higher Front Rocker Cover Gasket Temperatures, Creating THE Potential FOR Earlier Degradation OF THE Front Rocker Cover Gasket and Eventual OIL Seepage.
Consequence Certain Underhood Fires MAY BE Caused BY Drops OF Engine Oil, From Seepage or Spillage, Being Deposited ON THE Exhaust Manifold Through Hard Braking. IF THE Manifold IS HOT Enough and THE OIL Runs Below THE Heat Shield, IT MAY Ignite Into A Small Flame And, IN Some Instances, THE Fire MAY Spread TO THE Plastic Spark Plug Wire Channel and Beyond.
Remedy Dealers Will Replace THE Engine?s Front Valve Cover and Front-Valve-Cover Gasket With NEW Parts OF AN Improved Design and Remove THE Engine?s Plastic Cover and Plastic Oil-fill-tube Extension, Along With THE 1-3-5 Spark Plug Wire Retainers, Free OF Charge. THE Recall IS Expected TO Begin During MAY 2016. , Free OF Charge. THE Recall IS Expected TO Begin During MAY 2016. Until THE Remedy IS Completed, GM Strongly Recommends That Owners Observe THE Following Important Precautions (1) That Owners DO NOT Park Their Vehicle IN A Garage, Car Port, or Other Structure; (2) IF Owners Notice A Burning Odor, They Should Have Their Dealer Inspect THE Vehicle. THE Dealer Will Inspect THE Vehicle Without Charge; (3) USE Premium Fuel (91 Octane or Higher) IN THE Vehicle AS Recommended IN THE Vehicle's Owner Manual. Owners MAY Contact Buick AT 1-866-608-8080 or Pontiac AT 1-800-620-7668, or Through Their Website AT <A Href=http://Www.gmownercenter.com>http://www.gmownercenter.com</a> .
Notes GM Recall NO. 07035. Customers MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO <A Href=http://Www.safercar.gov>http://www.safercar.gov</a> .
Engine and Engine Cooling:engine
Recall date 2015-10-26
Recall no. 15v701000
Source NHTSA
Summary General Motors LLC (Gm) IS Recalling Certain Model Year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo Vehicles. THE Affected Vehicles Were Previously Repaired Under Recalls 08v-118, 09v-116, and 15v-201 TO Address THE Possibility That Engine OIL MAY Drip Onto THE HOT Exhaust Manifold.
Consequence Engine OIL That Drips Onto THE HOT Surface OF THE Exhaust Manifold MAY Result IN A Fire.
Remedy THE Remedy Applied Under Recalls 08v-118, 09v-116, and 15v-201 DID NOT Adequately Remove THE Safety Risk. Under THE Improved Remedy, Dealers Will Replace THE Engine?s Front Valve Cover and Gasket. Vehicles That ARE Covered BY Recalls 08v-118, 09v-116, or 15v-201 That Have NOT YET Received THE Original Remedy Will Instead Receive THE Improved Remedy Under THE Original Recall Number. THE Recall Began ON February 19, 2016. Owners MAY Contact Chevrolet Customer Service AT 1-800-222-1020, Buick Customer Service AT 1-800-521-7300, Oldsmobile Customer Service AT 1-800-442-6537 and Pontiac Customer Service AT 1-800-458-8006. Gm's Number FOR This Recall IS 15757. Note: Until THE Improved Remedy HAS Been Applied, Owners ARE Advised TO Park Their Vehicle Outside Since THE Fire Risk Exists Even When THE Vehicle IS Unattended.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Engine and Engine Cooling:exhaust System:manifold/Header/Muffler/tail Pipe
Recall date 2015-10-26
Recall no. 15v701000
Source NHTSA
Summary General Motors LLC (Gm) IS Recalling Certain Model Year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo Vehicles. THE Affected Vehicles Were Previously Repaired Under Recalls 08v-118, 09v-116, and 15v-201 TO Address THE Possibility That Engine OIL MAY Drip Onto THE HOT Exhaust Manifold.
Consequence Engine OIL That Drips Onto THE HOT Surface OF THE Exhaust Manifold MAY Result IN A Fire.
Remedy THE Remedy Applied Under Recalls 08v-118, 09v-116, and 15v-201 DID NOT Adequately Remove THE Safety Risk. Under THE Improved Remedy, Dealers Will Replace THE Engine?s Front Valve Cover and Gasket. Vehicles That ARE Covered BY Recalls 08v-118, 09v-116, or 15v-201 That Have NOT YET Received THE Original Remedy Will Instead Receive THE Improved Remedy Under THE Original Recall Number. THE Recall Began ON February 19, 2016. Owners MAY Contact Chevrolet Customer Service AT 1-800-222-1020, Buick Customer Service AT 1-800-521-7300, Oldsmobile Customer Service AT 1-800-442-6537 and Pontiac Customer Service AT 1-800-458-8006. Gm's Number FOR This Recall IS 15757. Note: Until THE Improved Remedy HAS Been Applied, Owners ARE Advised TO Park Their Vehicle Outside Since THE Fire Risk Exists Even When THE Vehicle IS Unattended.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.

2003 Buick Regal Insurance

Insurance for a 2003 Buick Regal is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2003 Buick Regal Compare to Other Sedan?

The 2003 Buick Regal competed with mid-size sedans like the Toyota Camry, Honda Accord, Ford Taurus, and Chevrolet Impala. Compared to the Camry and Accord, the Regal offered a lower price point but generally lagged behind in terms of long-term reliability and resale value. The Taurus offered similar levels of comfort and space but lacked the Regal's available supercharged engine. The Impala, sharing a platform with the Regal, provided a similar driving experience at a comparable price, but with slightly different styling.
In terms of performance, the GS trim offered more power than many of its competitors' base models. However, the Camry and Accord were known for their fuel efficiency and smooth operation. Feature-wise, the Regal was adequately equipped for its time, but it didn't offer the same level of advanced technology as some rivals.
If reliability and resale value are top priorities, the Toyota Camry or Honda Accord would be better alternatives. If budget is a primary concern and a comfortable ride is desired, the Buick Regal or Chevrolet Impala are decent options. Consider a well-maintained example of any of these vehicles, with a thorough inspection before purchase.

Ranks #2006 Sedan

1 2023 Toyota Camry (5.0★)
2 2023 Honda Accord (0.0★)
3 2023 Lexus ES (0.0★)
4 2024 Subaru Legacy (5.0★)
5 2022 Mazda MX-30 (4.0★)
6 2024 BMW M3 (0.0★)
7 2023 Ford Mustang (5.0★)
8 2023 Mercedes-Benz AMG GT (0.0★)
9 2023 Audi A3 (0.0★)
10 2023 Chevrolet Camaro (5.0★)
11 2023 Hyundai Elantra Hybrid (0.0★)
12 2023 Nissan Altima (4.0★)
2006 2003 Buick Regal (0.0★)

Final Verdict: Is the 2003 Buick Regal a Good Sedan?

The 2003 Buick Regal is ideal for budget-conscious buyers seeking a comfortable and spacious sedan. It's worth buying used if you find a well-maintained example with a thorough inspection. The GS trim offers a more engaging driving experience, but the LS trim is sufficient for most buyers. Be prepared for potential age-related repairs, particularly concerning the intake manifold gasket and transmission. It's a good option for someone who prioritizes comfort and value over advanced technology or exceptional fuel efficiency and is comfortable with the potential for repairs.

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.