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2003 Lexus GS 300 Overview, Reviews, Ratings & Specs

Rating: 4.70
Based on 14 Owner Reviews â–¶
Simon A | March 31, 2025
The 2003 Lexus GS 300 is a mid-size luxury sedan, part of the second generation (1998-2005) of the GS line. Known for its reliability and comfortable ride, the GS 300 offered a blend of performance and luxury at a competitive price. Key trims included the base GS 300. The original MSRP ranged from the high $30,000s to low $40,000s. It's popularity stems from its reputation for dependability, smooth ride, and elegant design.
The Good

The 2003 Lexus GS 300 boasts exceptional reliability, ensuring peace of mind. Its smooth ride and luxurious interior provide unparalleled comfort. While not a sports car, its performance is adequate for daily driving. The elegant design remains timeless. For practical buyers, it offers good value and reasonable fuel efficiency. Emotionally, owners appreciate the Lexus reputation and prestige.

The Bad

Potential weaknesses of the 2003 Lexus GS 300 include age-related issues such as failing suspension components and potential oil leaks. The navigation system, if equipped, can feel outdated. The rear seat space is somewhat limited compared to some rivals. Also, be aware of potential maintenance costs associated with a luxury vehicle, even one as reliable as the GS 300.

2003 Lexus GS 300: Quick Overview

Here's a summary of the 2003 Lexus GS 300 specifications:

  • Engine Options: A single engine option was available: a 3.0-liter inline-6 (2JZ-GE).
  • Horsepower: 220 hp @ 5,800 rpm
  • Torque: 220 lb-ft @ 3,800 rpm
  • Fuel Economy (EPA Estimated): 18 mpg city / 25 mpg highway
  • 0-60 mph: Approximately 7.8 seconds
  • Towing Capacity: Not recommended or rated for towing.
  • Trim Level Features (Base GS 300):
    • Leather upholstery
    • Power-adjustable front seats
    • Automatic climate control
    • Premium sound system with cassette and CD player
    • Power windows, locks, and mirrors
    • Anti-lock brakes (ABS)
    • Vehicle Skid Control (VSC)
    • Traction Control (TRAC)
    • Alloy wheels
    • Wood trim
    • Automatic transmission
  • Optional Features:
    • Navigation system
    • Heated front seats
    • Mark Levinson premium sound system
    • Moonroof
    • Rear spoiler

2003 Lexus GS 300 Specifications

Vehicle Information
Year 2003
Make Lexus
Model GS 300
Trim -
Style -
Type Passenger Sedan
Category Compact Car
Manufacturing Details
Made In Japan
Manufacturing City TAHARA
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 2JZ-GE
Engine Size 3L
Engine Cylinders 6
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2003 Lexus GS 300 Have?

The 2003 Lexus GS 300 generally enjoys a strong reputation for reliability, but like any vehicle of its age, it's susceptible to certain issues. Frequently reported problems often stem from aging components. These include oil leaks (valve cover gaskets, oil pan gaskets), worn suspension parts (struts, ball joints, bushings), and potential issues with the electronic throttle control system. Some owners have reported problems with the air conditioning system, particularly the compressor.

While specific recalls for the 2003 model year might be found on the NHTSA website, common areas of concern, across the GS 300's production run, have sometimes involved potential fuel leaks.

Long-term reliability concerns often revolve around the longevity of the automatic transmission, although proper maintenance can mitigate these risks. Rust can become an issue in regions with harsh winters, particularly on the undercarriage. The navigation system, if equipped, is outdated by modern standards and may experience functionality issues. Routine maintenance, such as timely oil changes and fluid flushes, is crucial to maximizing the GS 300's lifespan. Checking for any error codes using an OBD-II scanner is advisable before purchasing a used model.

How long will the 2003 Lexus GS 300 last?

Given proper maintenance, a 2003 Lexus GS 300 can easily exceed 250,000 miles or even 300,000 miles. Years of service can extend well beyond 20 years with diligent care. Owner data indicates that the engine and transmission are generally very durable. However, long-term weaknesses often manifest in the form of wear and tear on suspension components, rubber seals drying out causing leaks, and potential electronic issues arising from age. Regular fluid changes (oil, transmission, coolant) are essential for longevity. Preventive maintenance is key to avoiding major repairs and maximizing the lifespan of this vehicle. Neglecting maintenance will drastically reduce its lifespan.

What Technology & Safety Features are Included?

The 2003 Lexus GS 300 offered a suite of technology and safety features for its time. Standard features included automatic climate control, a premium sound system with cassette and CD player, power-adjustable front seats, power windows and locks, and anti-lock brakes (ABS). Driver-assistance features included Vehicle Skid Control (VSC) and Traction Control (TRAC).

Optional features included a navigation system, heated front seats, a Mark Levinson premium sound system (which significantly improved audio quality), and a moonroof. The navigation system, while advanced for its time, is quite dated compared to modern systems.

Safety features were comprehensive for the era, with standard front airbags, side airbags, and ABS. The GS 300 also featured daytime running lights.

Crash-test ratings from the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) should be consulted for specific scores. While specific scores may vary, the GS 300 generally performed well in crash tests, reflecting Lexus's commitment to safety. It's important to remember that safety technology has advanced considerably since 2003.

What Colors Options are Available?

Exterior Colors
Black Onyx
Millennium Silver Metallic
Mystic Sea Opalescent
Antique Bronze Metallic
Crystal White
Diamond White Pearl
Graphite Gray Pearl
Interior Colors
Ivory
Black
Ecru

2003 Lexus GS 300 Prices and Market Value

The 2003 Lexus GS 300 had an original MSRP in the high $30,000s to low $40,000s range. Current used market prices typically range from $3,000 to $8,000, depending on condition, mileage, and location. Depreciation has been significant, as expected for a vehicle of this age. Factors affecting resale value include mileage, overall condition (mechanical and cosmetic), service history, and the presence of optional features like the navigation system or Mark Levinson sound system. Low-mileage examples in excellent condition command a premium. Rust-free examples are especially desirable.

2003 Lexus GS 300 Cost of Ownership

Insurance costs for a 2003 Lexus GS 300 are generally moderate, reflecting its age and value. Fuel costs are average for a mid-size sedan with a six-cylinder engine. Maintenance costs can be higher than average due to the luxury brand and potential for age-related repairs. Long-term ownership costs depend heavily on maintenance habits; neglecting maintenance can lead to expensive repairs. While not the most economical choice, a well-maintained GS 300 can offer reasonable long-term ownership costs compared to other luxury vehicles.

2003 Lexus GS 300 Fuel Efficiency

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

2003 Lexus GS 300 Insurance

Insurance for a 2003 Lexus GS 300 is moderately priced, reflecting its status as a Passenger Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2003 Lexus GS 300 Compare to Other Passenger Sedan?

The 2003 Lexus GS 300 competed against the BMW 5 Series (E39), Mercedes-Benz E-Class (W211), Acura TL, and Infiniti I35. In terms of reliability, the GS 300 typically outperformed the BMW and Mercedes-Benz, which were known for higher maintenance costs. Performance-wise, the BMW 5 Series offered a more engaging driving experience. The Acura TL provided a similar level of reliability and features at a slightly lower price point. The Infiniti I35 offered comparable comfort and features with a focus on value.

In terms of features, the GS 300 was competitive, offering a similar level of luxury and technology as its rivals. However, the German competitors often had more advanced options available, albeit at a higher price.

Alternatives to the GS 300 include the Acura TL, which offers a good balance of reliability, features, and price. The Infiniti I35 is another value-oriented option. If performance is a priority, the BMW 5 Series is a strong contender, but be prepared for higher maintenance costs. Overall, the GS 300 stands out for its blend of luxury, reliability, and reasonable price, making it a compelling choice for buyers seeking a dependable luxury sedan.

Ranks #377 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★)
377 2003 Lexus GS 300 (5.0★)

Final Verdict: Is the 2003 Lexus GS 300 a Good Passenger Sedan?

The 2003 Lexus GS 300 is ideal for buyers seeking a reliable and comfortable luxury sedan at an affordable price. It's a good choice for those who prioritize dependability over outright performance. It's certainly worth buying *used*, as new is not an option. Look for well-maintained examples with a comprehensive service history. Avoid models with excessive rust or signs of neglect. The trim level isn't as critical as the overall condition and maintenance record. A GS 300 that has been consistently maintained is a worthwhile purchase, offering a luxurious and dependable driving experience for years to come. Consider a pre-purchase inspection by a qualified mechanic.

2003 Lexus GS 300 Owner Reviews

4.70
Consumer Rating, Based on 14 Consumer Reviews
Overall rating
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Pat on October 25, 2023

Experience Amazing.

I inherited my 2003 Lexus GS 300. My mothers husband bought it new in 2003. It was kept in the garage, so the paint cured and never faded. Both retired, they didn't drive either car very much. He passed in 2010 and my mom kept her Nissan but preferred driving the Lexus. We listed her Nissan for sale. Later when mom passed in 2017 I kept the car. Today at 58,000 miles in 2023, the engine is still clean (no oil blowby) and there are no problems. I do long for newer upgraded technology, like back up camera, GPS screen, USB ports. But remembering my first 1966 car, do I really need to spend $60,000 for a new one? Maybe one day. The only issue is the cupholders are in a cramped place, and it makes it easy to bump the seat warmers. Hardly a problem though. 'Experience Amazing' has been a true marketing slogan, as it really is amazing. Although I prefer a Lexus RX ( SUV) this car is so great, I cannot see giving it up.

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Lou on December 13, 2020

Most reliable car

Met all of my needs very good car .... this car was mad before it's time .... very amazing car it's safety features are great as well ...

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Joey on June 24, 2020

Good car. The only design fault front cup holders.

Excellent ride quality, Excellent leather seats, Great sound from radio, VERY good visibility. Engine has silky feel very smooth. Front cup holders must be redesigned.

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Marcus_M on January 6, 2020

Smoothest, Most Comfortable Car I've Ever Owned

Awesome Car, incredible Lexus build quality that has held up for years. Seats are super comfortable, very quiet car on the interstate. Silky smooth inline-6 engine (they literally don't build them like this any more!) Automatic transmission is bulletproof. RWD makes for a sporty feel (yes even in a Lexus!) Build quality is great. No dash cracks, great leather, very solid feeling car.

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GiantAngus on August 26, 2019

My First Lexus.

I bought this car used and I was immediately impressed with the quality and craftsmanship. I work on my own vehicles and can, without a doubt, support that claim. We used this car primarily for long treks across the US to visit family. It was a very comfortable ride and the stress of a long trip was greatly reduced knowing we were in a reliable, well built car. Once you go Toyota/Lexus, you never go back.

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Dreday on May 30, 2017

Awesomely Great BUY!!!!

Its Awesome!!! Wicked Gs300 Ready to hit the road!! Blacked out exterior Interior Race Car motor Nice Street wheels Cold A\C what more can you ask for Two thumbs up

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Lexus 1st class on June 16, 2011

Impressive car

I bought a used 03 gs300 as an extra vehicle and I have been completely impressed. Great ride, handling, performance. Wife has a gs 330 and this puppy blows it away hands down..

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Always Lexus Customer on January 16, 2011

Very Smooth Ride!

I bought a 2003 Lexus GS300 and nothing but great things to say about this vehicle. VERY Smooth ride and sporty! I will remain a lexus customer

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Conscientious Buyer on September 10, 2010

Great Value

I recently bought a Lexus GS 300 because ive heard nothing but great things about the Lexus brand and this Specific Vehicle. The Vehicle has met or exceeded my expectations in all catagories but I just wish the car were a little more sporty. All in all I'm very please with my purchase and if things stay the way they are will probably stay a loyal Lexus Customer!!!

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Lexus owner on July 16, 2010

It never gets old

This car at first seemed plain in comparision to my previosu Mercedes and BMW. But as I have owned it for a couple of years now it has showed it is more reliable and more comfortable then either of the european models. I have zero complaints and will buy another when I am done with this one. If it ever seems to start wearing out that is.

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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.