What is the mileage on a 2003 Blazer?
Fuel mileage on a 2003 Blazer varies by model and drivetrain; the compact S-10 Blazer typically returns around 16–18 mpg in city driving and 21–23 mpg on the highway, while TrailBlazer variants generally run about 15–17 mpg city and 21–23 mpg highway, with V8 configurations lower.
The question also touches on odometer mileage (total miles) which depends on usage and maintenance. The 2003 Blazer lineup included two main configurations: the smaller S-10 Blazer and the larger TrailBlazer, each with several engine options. The following sections provide typical ranges, and guidance on how to determine your specific vehicle’s mileage.
Model lineup and typical mileage ranges
S-10 Blazer (compact) mpg ranges
The S-10 Blazer used a 4.3-liter V6 with both 2WD and 4WD configurations. Mileage varies slightly with drivetrain.
- 2WD, 4.3L V6: approximately 16–18 mpg city / 21–23 mpg highway
- 4WD, 4.3L V6: approximately 15–17 mpg city / 20–22 mpg highway
Real-world mileage can differ due to maintenance, driving conditions, and tire/weight changes.
TrailBlazer (full-size) mpg ranges
The TrailBlazer offered a 4.2L I6 and a 5.3L V8, with mpg varying by drivetrain.
- 4.2L I6: approximately 15–17 mpg city / 21–23 mpg highway
- 5.3L V8: approximately 14–16 mpg city / 19–21 mpg highway
Note that the larger V8 tends to be lower in city mileage and slightly lower on the highway than the inline-six option.
Odometer mileage vs. fuel economy
Understanding mileage for a 2003 Blazer involves both odometer readings and fuel economy. The numbers below summarise common expectations, but individual results depend on use and care.
- Odometer mileage: Many 2003 Blazers have been driven many miles; well-maintained examples frequently reach 150,000–200,000 miles (240,000–320,000 km) or more. Higher-mileage vehicles are not uncommon in this age range.
- Fuel economy: See the ranges above; actual MPG depends on engine, drivetrain, maintenance, driving style, and conditions.
Concluding paragraph: Mileage figures vary by configuration and history. For a used 2003 Blazer, check the specific model’s engine/drivetrain and consult EPA figures or the window sticker for the most accurate baseline.
How to determine the mileage on your specific vehicle
To determine the exact mileage of a particular 2003 Blazer you own or are considering, follow these steps:
- Read the odometer on the dashboard to see the current total miles.
- Review the vehicle history report and maintenance records for mileage accuracy and consistency.
- Use the fuel-fill method to calculate your actual MPG: record miles driven since the last fill and gallons used, then divide miles by gallons.
- If buying used, have a trusted mechanic inspect the engine, transmission, cooling system, and rust to assess remaining life and potential impact on mileage and reliability.
Concluding paragraph: Verifying mileage accurately requires direct measurement and a review of service history; this helps project future maintenance costs and reliability.
Summary
The 2003 Chevrolet Blazer lineup offered both compact S-10 Blazer and larger TrailBlazer configurations, with fuel economy typically in the mid-teens to low 20s MPG depending on engine and drivetrain. The 4.3L V6 in the S-10 Blazer generally yields higher highway mileage than city driving, while TrailBlazer models show similar ranges with the 4.2L I6 and slightly lower MPG for the 5.3L V8. Real-world mileage depends on maintenance, driving style, and conditions. For precise figures, consult the EPA ratings for the specific configuration or the vehicle’s window sticker, and verify mileage through maintenance records when evaluating a used example.
What year Blazer to stay away from?
Years to avoid for the Chevy Blazer include 1994, 2000, and 2001 due to widespread engine and fuel system problems. Additionally, the 2021, 2022, and 2023 models should be approached with caution because of various electrical, engine, and electronic issues.
Classic Blazer (1983–2005)
- 1994: Considered by some to be the worst year due to numerous engine problems, with high complaint and recall numbers.
- 2000: Logged a high number of complaints and recalls, with issues including fuel gauge problems, transmission failures, and powertrain issues.
- 2001: Experienced engine and ignition problems caused by a faulty distributor.
- 2002: Prone to coolant leaks and intake manifold gasket failures, which could lead to long-term engine damage if unaddressed.
Modern Blazer (2019–present)
- 2021: Has been flagged by sources like Consumer Reports as an SUV to avoid, though specific issues are less detailed in the provided snippets.
- 2022: Common problems reported by owners include electrical system failures (dashboard/display issues, power loss), and issues with the service brakes.
- 2023: Recalls and owner-reported problems include engine issues (cylinder head, head gasket) and problems with the in-car electronics, like the display freezing.
- 2024: Is predicted by some sources to be less reliable than the average new car.
How much is a 2003 Chevrolet Blazer worth?
The value of a used 2003 Chevrolet Blazer ranges from $701 to $2,848, based on vehicle condition, mileage, and options. Get a free appraisal here.
How many miles can a 2003 Chevy Blazer last?
According to Motor and Wheels, well-taken care of Chevy Blazers can be expected to last 200,000 miles. For many drivers, that's nearly 20 years of use! If you average 15,000 miles per year, you can expect the Chevy Blazer to serve you for 13 years or more before the vehicle requires major repairs.
What are common problems with the 2003 Blazer?
Models from 1994-1998, 2000-2002, and 2004-2005 experienced ABS control module issues, but 2003 Blazer saw this issue the most. The ABS light would randomly come on due to a failed control module, which could affect the proper commands to the brakes.
