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2005 Buick Century Overview, Reviews, Ratings & Specs

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Simon A | March 31, 2025
The 2005 Buick Century is a mid-size sedan known for its comfortable ride and affordability. Part of the Century's long run (1982-2005), the 2005 model represents the end of an era. Key trims included the base and Custom. It was popular due to its reputation for reliability and simple, straightforward design, appealing to budget-conscious buyers seeking dependable transportation. New, it ranged from approximately $17,000 to $20,000.
The Good

The 2005 Buick Century offers a comfortable ride, appealing to those prioritizing smoothness. Its proven reliability provides peace of mind, a practical benefit. While not a performance vehicle, its adequate power is sufficient for daily driving. The Century presents excellent value, offering a dependable and comfortable car at an affordable price.

The Bad

The 2005 Buick Century's weaknesses include its dated design and relatively low fuel economy compared to newer cars. Suspension components and intake manifold gaskets are potential problem areas. The interior materials can feel cheap. Rust can be an issue in areas with road salt. Check for coolant leaks and transmission issues.

2005 Buick Century: Quick Overview

  • Engine: 3.1L V6
  • Horsepower: 175 hp @ 5200 rpm
  • Torque: 195 lb-ft @ 4000 rpm
  • Fuel Economy: EPA estimated 20 mpg city / 29 mpg highway
  • 0-60 mph: Approximately 9.5 seconds
  • Towing Capacity: Not recommended for towing

Trim-Level Features:
  • Base:
    • Cloth upholstery
    • Air conditioning
    • AM/FM radio with cassette player
    • Power windows and locks
    • Cruise control
  • Custom: (Adds to Base)
    • Upgraded cloth upholstery
    • CD player
    • Alloy wheels
    • Remote keyless entry

Both trims featured a 4-speed automatic transmission. Optional features included a sunroof, upgraded sound systems, and anti-lock brakes (ABS). The Century was designed for comfortable cruising rather than performance, so its specs reflect this focus. The 3.1L V6 offered adequate power for everyday driving, while the fuel economy was reasonable for its class and time.

2005 Buick Century Specifications

Vehicle Information
Year 2005
Make Buick
Model Century
Trim -
Style Sedan
Type Sedan
Category Mid-Size Car
Manufacturing Details
Made In Canada
Manufacturing City OSHAWA #2
Dimensions
Doors 4-Door
Curb Weight 3342 pounds
Gross Vehicle Weight Rating -
Overall Height 56.60 inches
Overall Length 194.60 inches
Overall Width 72.70 inches
Wheelbase Length 109.00 inches
Standard Seating 6
Engine & Performance
Engine 3.1-L V-6 OHV 12V
Engine Size 3.1L
Engine Cylinders 6
Transmission 4-Speed Automatic
Transmission Type Automatic
Transmission Speeds 4-Speed
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System Non-ABS 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $22,040
Invoice Price $20,167
Delivery Charges $660

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What Problems Does the 2005 Buick Century Have?

Frequently reported problems for the 2005 Buick Century often revolve around the 3.1L V6 engine. Intake manifold gasket leaks are a common issue, leading to coolant loss and potential engine damage if left unattended. Transmission problems, such as slipping or rough shifting, can also occur, particularly in higher-mileage vehicles. Suspension components, including struts and ball joints, may wear out over time, affecting ride quality and handling.

Other common issues include power window regulator failures and issues with the air conditioning system. Rust, especially in areas with road salt, can affect the undercarriage and body panels. Electrical problems, though less frequent, can sometimes arise.

While specific recalls for the 2005 model year might exist, it's crucial to check with the National Highway Traffic Safety Administration (NHTSA) website for the most up-to-date information. Long-term reliability generally depends on regular maintenance and addressing issues promptly. The Century is known to be a fairly reliable car, but these potential problems should be considered when evaluating a used model.

How long will the 2005 Buick Century last?

With good maintenance, a 2005 Buick Century can easily reach 200,000 miles or more. Many owners report years of reliable service exceeding 15 years. Key to longevity is regular oil changes, coolant flushes (due to intake gasket issues), and transmission servicing.

Long-term durability concerns often center around rust, particularly in colder climates. The intake manifold gasket and transmission are the most significant mechanical weaknesses. Properly addressing these issues as they arise is crucial for extending the vehicle's lifespan. Neglecting maintenance will significantly shorten its life expectancy.

What Technology & Safety Features are Included?

The 2005 Buick Century features relatively basic technology compared to modern vehicles. Standard entertainment included an AM/FM radio with a cassette player. The Custom trim added a CD player. There were no advanced driver-assistance systems available. Safety features included standard front airbags and optional anti-lock brakes (ABS).

Optional features included a sunroof and upgraded sound systems. There were no navigation or infotainment systems available. The technology focused on basic comfort and convenience.

Crash-test ratings from the National Highway Traffic Safety Administration (NHTSA) generally show the Century performing adequately in frontal and side-impact tests. However, it's important to remember that safety standards have improved significantly since 2005, and modern vehicles offer a higher level of protection. Vehicle Dynamic Control, lane departure warnings, and other contemporary features were not available.

The Century prioritized simplicity and ease of use over cutting-edge technology. It offered what was considered standard fare for its time, but it lags significantly behind current automotive technology.

What Colors Options are Available?

Exterior Colors
White
Light Driftwood Metallic
Gold Metallic
Dark Bronzemist Metallic
Dark Teal Metallic
Indigo Blue Metallic
Black
Red
Interior Colors
Neutral
Gray

2005 Buick Century Prices and Market Value

When new, the 2005 Buick Century had an MSRP ranging from approximately $17,000 to $20,000, depending on the trim level and options. Current used market prices typically range from $2,000 to $6,000, depending on condition, mileage, and location.

The Century has depreciated significantly due to its age. Factors affecting resale value include mileage, overall condition (especially rust), maintenance records, and the demand for older, fuel-inefficient vehicles. Low mileage examples in excellent condition command a premium, but generally, it's a very affordable used car option.

2005 Buick Century Cost of Ownership

The 2005 Buick Century is generally economical to own. Insurance costs are typically low due to its age and value. Fuel costs are moderate. Maintenance is relatively inexpensive as parts are readily available and repairs are straightforward. The biggest potential expense is addressing the intake manifold gasket and transmission issues. Overall, it's a budget-friendly option, especially for those seeking basic transportation.

2005 Buick Century Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 17.00 gallons
City Mileage 20 miles/gallon
Highway Mileage 30 miles/gallon

2005 Buick Century Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Rear Crash Protection/Head Restraint Ratings Poor
Moderate Overlap Front Test Results Acceptable
Side Impact Test Results Not Tested

2005 Buick Century Recalls & Defects

Fuel System, Other:storage:tank Assembly:pressure Relief Devices
Recall date 2007-03-12
Recall no. 07e021000
Source NHTSA
Summary Certain Delphi Fuel Pressure Regulators, P/Nos. Fp10020-11b1, Fp10026-11b1, and Fp10027-11b1, Sold After January 9, 2007, AS Aftermarket Equipment FOR Various Passenger Vehicles Listed Above. THE Universal Pressure Regulators (Upr) Were Produced Without AN O'ring and Retainer.
Consequence Fuel MAY Leak, Possibly Resulting IN A Fire.
Remedy Delphi Will Notify Owners and Replace THE UPR Free OF Charge. THE Recall Began ON April 23, 2007. Owners CAN Contact Delphi AT 877-411-8770.
Notes This Recall Only Pertains TO Aftermarket Delphi Fuel Pressure Regulators and HAS NO Relation TO ANY Original Equipment Installed BY General Motors.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.
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> .

2005 Buick Century Warranty

Basic
Original warranty 36 months / 36,000 miles
Estimated remaining Expired
Powertrain
Original warranty 36 months / 36,000 miles
Estimated remaining Expired
Rust
Original warranty 72 months / 100,000 miles
Estimated remaining Expired

2005 Buick Century Insurance

Insurance for a 2005 Buick Century is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2005 Buick Century Compare to Other Sedan?

The 2005 Buick Century competed with mid-size sedans like the Toyota Camry, Honda Accord, and Ford Taurus. In terms of performance, the Camry and Accord offered slightly better handling and engine refinement. The Century's features were basic compared to its rivals, lacking advanced technology options.

Reliability-wise, the Camry and Accord are generally considered more reliable, although the Century is still reasonably dependable. The Ford Taurus offered similar levels of reliability and features but with a different styling approach.

Price is where the Century stood out. It was often more affordable than the Camry or Accord, both new and used. However, a used Camry or Accord from the same era might be a better choice due to their superior reputation for reliability and potentially better fuel economy. The Mercury Grand Marquis provides similar ride comfort and is similarly priced. The Pontiac Grand Prix is another option with more sporty styling but with comparable reliability.

Ranks #1936 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★)
1936 2005 Buick Century (0.0★)

Final Verdict: Is the 2005 Buick Century a Good Sedan?

The 2005 Buick Century is ideal for budget-conscious buyers seeking reliable, comfortable, and straightforward transportation. It's best suited for those who prioritize affordability over modern features and performance. It is definitely not available 'new' anymore. It's worth buying as a used car if it's in good condition, has been well-maintained, and is priced accordingly.

Specifically, look for examples with documented maintenance records and address any potential intake manifold gasket or transmission issues promptly. It's a good option for students, commuters, or anyone needing a dependable, inexpensive car. However, be prepared for its age and lack of modern amenities.

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.