The Good
The 2003 Impala offers practical advantages like a roomy interior, comfortable ride quality, and generally robust powertrains, making it a strong value proposition for budget-conscious buyers. Its classic American sedan styling and reputation for dependability can also appeal emotionally to those seeking a no-nonsense, reliable vehicle for everyday use. Maintenance costs are typically low.
The Bad
Common weaknesses for the 2003 Impala include potential issues with intake manifold gaskets, premature wear of front wheel bearings, and some electrical gremlins, particularly related to HVAC controls or gauges. The interior materials, while durable, can feel somewhat utilitarian, and braking performance is often described as merely adequate. Rust can also be a concern in some regions.
2003 Chevrolet Impala: Quick Overview
The 2003 Chevrolet Impala offered a straightforward yet capable set of specifications:
- Engine Options:
- 3.4L (3400) OHV V6 (standard on base and LS trims)
- 3.8L (3800 Series II) OHV V6 (optional on LS, standard on LS Sport, and SS trims)
- Horsepower:
- 3.4L V6: 180 hp @ 5200 rpm
- 3.8L V6: 200 hp @ 5200 rpm (LS and SS)
- Torque:
- 3.4L V6: 205 lb-ft @ 4000 rpm
- 3.8L V6: 225 lb-ft @ 4000 rpm
- Fuel Economy (EPA estimates):
- 3.4L V6: Approximately 19 MPG city / 29 MPG highway
- 3.8L V6: Approximately 18 MPG city / 28 MPG highway
- 0-60 MPH Times:
- 3.4L V6: Around 9.0-9.5 seconds
- 3.8L V6: Around 8.0-8.5 seconds
- Towing Capacity:
- Typically rated for up to 1,000 lbs, not designed for heavy towing.
- Trim-Level Features:
- Base: Standard features included air conditioning, power windows/locks/mirrors, remote keyless entry, a tilt steering wheel, and an AM/FM stereo with CD player. Steel wheels with wheel covers were common.
- LS: Added amenities like upgraded cloth upholstery, cruise control, aluminum wheels, anti-lock brakes (ABS), a rear spoiler, and additional power adjustments for the driver's seat. The 3.8L V6 was optional.
- LS Sport: Included most LS features, plus specific 16-inch aluminum wheels, sport-tuned suspension, and the 3.8L V6 engine as standard.
- SS: The top-tier sporty trim, featuring the 3.8L V6, a more aggressive sport suspension, unique 17-inch alloy wheels, dual exhaust, and interior enhancements like SS badging, full instrumentation, and bolstered sport seats.
2003 Chevrolet Impala Specifications
Vehicle Information
Year | 2003 |
Make | Chevrolet |
Model | Impala |
Trim | - |
Style | - |
Type | Sedan |
Category | Compact Car |
Manufacturing Details
Made In | Mexico |
Manufacturing City | OSHAWA #1 |
Dimensions
Doors | 4-Door |
Curb Weight | - |
Gross Vehicle Weight Rating | - |
Overall Height | - |
Overall Length | - |
Overall Width | - |
Wheelbase Length | - |
Standard Seating | - |
Engine & Performance
Engine | LY8 |
Engine Size | 3.4L |
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 | - |
Vehicle History Report
Specifications
History
Events
History Check
Check
Check
Check
Check
Listings
Recalls
Check
Analysis
What Problems Does the 2003 Chevrolet Impala Have?
Another common complaint involves front wheel bearings, which tend to wear out prematurely, resulting in a noticeable hum or grinding noise, especially at highway speeds. Replacing these can be a routine maintenance item for higher-mileage vehicles.
Electrical issues are also relatively common. Problems may include faulty fuel gauges, malfunctioning HVAC controls (especially the blend door actuators), and issues with the power window regulators. These can be frustrating but are often repairable. Brake system components, like calipers and rotors, may experience accelerated wear or sticking issues.
Regarding recalls for the 2003 model year, one notable recall (NHTSA Campaign Number 05V045000) involved the rear lower control arm mounting bracket. This issue could cause the control arm to separate from the vehicle frame, potentially leading to a loss of vehicle control. Owners were advised to have this inspected and repaired. Another recall (NHTSA Campaign Number 04V283000) addressed potential cracking in the fuel tank support straps, which could lead to a fuel leak.
Long-term reliability is generally good, provided these known issues are addressed. The 3.8L V6 is often praised as a "bulletproof" engine if maintained, though the intake manifold gasket issue applies to it as well. Rust on body panels, subframes, and brake lines can become a concern in regions with harsh winters or road salt.
How long will the 2003 Chevrolet Impala last?
What Technology & Safety Features are Included?
Built-in Tech & Entertainment: Standard on most trims was an AM/FM stereo with a CD player. Higher trims or optional packages could include a premium audio system with a cassette player (a sign of the times) and possibly a trunk-mounted CD changer. Steering wheel-mounted audio controls were an available convenience feature. OnStar telematics system was an optional feature, providing services like automatic crash notification, roadside assistance, and remote diagnostics, though its functionality depended on an active subscription.
Driver-Assistance: Driver-assistance features were minimal by today's standards. Cruise control was standard on LS and SS trims and optional on the base model. Rear parking sensors or advanced collision warning systems were not available. The primary driver aid was the anti-lock braking system (ABS), which was standard on LS and SS, and optional on the base model.
Safety Features: Standard safety equipment included dual front airbags. Side-impact airbags were not offered for this model year. Anti-lock brakes (ABS) were a significant safety feature, providing better stopping control. Traction control was also available, particularly with the 3.8L engine, to help prevent wheel spin on slippery surfaces.
Crash-Test Ratings:
- NHTSA (National Highway Traffic Safety Administration):
- Frontal Driver: 5 Stars
- Frontal Passenger: 5 Stars
- Side Front Seat: 3 Stars (without side airbags, as none were offered)
- Side Rear Seat: 3 Stars (without side airbags)
- Rollover: 3 Stars
- IIHS (Insurance Institute for Highway Safety): The 2003 Impala received a "Good" rating in the moderate overlap frontal crash test, which was a strong showing for its time. However, it received a "Poor" rating for side-impact protection, primarily due to the lack of side airbags.
What Colors Options are Available?
2003 Chevrolet Impala Prices and Market Value
The Impala experienced typical mass-market sedan depreciation, losing most of its value within the first five to ten years. Factors affecting its current resale value include the overall mechanical condition, presence of rust, working air conditioning, and a clean title. Models with the more durable 3.8L V6 tend to hold slightly more value due to their reputation for longevity. The base 3.4L models, while still functional, are often less sought after. Its ubiquity and age contribute to its low current market value, making it an affordable entry-level vehicle.
2003 Chevrolet Impala Cost of Ownership
Maintenance and repair costs are usually quite affordable. Many common issues, like intake manifold gaskets or wheel bearings, are well-known to mechanics, and replacement parts are inexpensive and readily available. Long-term ownership costs are kept down by its robust design and the ability of many owners to perform basic repairs themselves. While older cars require more frequent attention, the Impala's straightforward nature makes it a budget-friendly option.
2003 Chevrolet Impala Fuel Efficiency
2003 Chevrolet Impala Safety Rating
NHTSA
2003 Chevrolet Impala Recalls & Defects
AIR Bags:frontal
Fuel System, Other:storage:tank Assembly:pressure Relief Devices
AIR Bags:frontal:driver Side:inflator Module
Steering
Engine and Engine Cooling
Steering
Electrical System:ignition
Engine and Engine Cooling:engine
Engine and Engine Cooling:exhaust System:manifold/Header/Muffler/tail Pipe
2003 Chevrolet Impala Insurance
reasonable repair costs.
How Does the 2003 Chevrolet Impala Compare to Other Sedan?
In terms of performance, the Impala's 3.8L V6 offered decent acceleration (0-60 in ~8 seconds) and adequate power for daily driving, comparable to the V6 Taurus or Grand Prix. The Camry and Accord V6 often felt a bit more refined and slightly quicker.
Features were where the Impala was often perceived as more utilitarian. While it offered power accessories, AC, and a CD player, its interior quality and available amenities generally lagged behind Japanese rivals. The Taurus offered similar features, while the Grand Prix often presented a sportier interior.
Reliability is a mixed bag. The Impala's 3.8L V6, despite intake manifold gasket issues, is legendary for its long-term durability, often considered more robust than the Taurus's engines. However, the Impala's electrical issues and suspension wear points could be more frequent than those on a Toyota Camry or Honda Accord, which were often seen as paragons of reliability. The Buick LeSabre, sharing a platform and engines, offered similar reliability but with a more luxury-oriented focus.
From a price perspective, the Impala was very competitive, often undercutting similarly equipped domestic rivals and significantly cheaper than its Japanese counterparts both new and on the used market.
Alternatives:
- Better Alternatives (if budget allows for potentially higher repair costs but better refinement/reliability): A 2003 Toyota Camry V6 or Honda Accord V6 would offer superior interior refinement, better build quality, and typically higher long-term reliability for many components, though they might cost more upfront on the used market.
- Similar Alternatives (for similar budget and ownership experience): A 2003 Pontiac Grand Prix offers a sportier take on the same platform and engines, while a 2003 Buick LeSabre provides a more comfortable, quieter ride with the same proven 3.8L V6 powertrain. The Ford Taurus is also a direct competitor, but generally regarded as having slightly lower overall long-term reliability.
Final Verdict: Is the 2003 Chevrolet Impala a Good Sedan?
The most recommended condition for purchase would be a well-maintained example with the 3.8L V6 engine (LS or SS trims), as this engine is known for its longevity. A pre-purchase inspection is critical to check for common issues like intake manifold leaks, rust, and worn suspension components. If these issues have been addressed or are minimal, the 2003 Impala offers exceptional value, providing dependable transportation for years to come. Avoid neglected examples, as their low price might mask significant repair bills. It's a workhorse, not a show pony, and excels in its role as an economical point A to B vehicle.