
The question of whether GM paint code 170 is different from code 28 is a common one among car enthusiasts and owners looking to match or repaint their vehicles. These codes, assigned by General Motors, represent specific paint colors used on their vehicles, and understanding the differences between them is crucial for accurate color matching. While both codes may appear similar at first glance, they actually correspond to distinct shades, with code 170 typically associated with a particular hue and code 28 representing a different variation. Recognizing these differences is essential for anyone seeking to restore or repair their GM vehicle's paint job to its original factory finish.
| Characteristics | Values |
|---|---|
| Paint Code | GM Paint Code 170 vs GM Paint Code 28 |
| Color Name | Code 170: Often associated with "Olympic White" or similar shades |
| Code 28: Typically "Waimea Blue" or variations | |
| Color Type | Both are solid colors, but shades differ significantly |
| Year Range | Code 170: Commonly used in the 1960s-1970s |
| Code 28: Used in the 1970s-1980s | |
| Vehicle Models | Both codes were used across various GM models (e.g., Chevrolet, Pontiac) |
| Finish | Both are single-stage finishes (no clear coat) |
| Availability | Code 170: Less common today, often requires custom mixing |
| Code 28: Also less common, custom mixing may be needed | |
| Visual Difference | Code 170: White or off-white shade |
| Code 28: Blue shade, often darker or brighter depending on formulation | |
| Compatibility | Not interchangeable; each code is specific to its original color |
| Restoration Use | Both codes are sought after for classic car restorations |
| Modern Equivalents | No direct modern equivalents; custom matching required |
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What You'll Learn
- Color Differences: GM paint code 170 vs 28, distinct shades, application variations
- Compatibility: Interchangeability of 170 and 28, matching issues, repair considerations
- Year and Model: Specific vehicles using 170 or 28, historical usage, production years
- Finish Types: Gloss, matte, or metallic finishes for 170 and 28, visual effects
- Availability: Market availability of 170 vs 28, sourcing challenges, cost differences

Color Differences: GM paint code 170 vs 28, distinct shades, application variations
GM paint codes 170 and 28 are often mistaken for one another due to their similar names, but a closer examination reveals distinct differences in shade and application. Paint code 170, commonly known as "Waimea Blue Metallic," leans toward a deep, rich blue with subtle metallic flakes that catch light dynamically. In contrast, paint code 28, or "Olympic White," is a crisp, pure white with minimal sheen, designed to reflect light evenly without added texture. These differences are not merely aesthetic; they impact how the colors age, maintain their vibrancy, and respond to environmental factors like sunlight and moisture.
Understanding the application variations between these two codes is crucial for achieving the desired finish. Paint code 170 requires a meticulous application process due to its metallic composition, which demands precise layering to ensure uniform flake distribution. Professionals often recommend using a high-quality spray gun and multiple thin coats to avoid clumping. On the other hand, paint code 28 is more forgiving, as its solid color allows for easier touch-ups and blending. However, achieving a flawless white finish requires careful surface preparation to eliminate imperfections, as white paint tends to highlight even minor flaws.
The distinct shades of these codes also dictate their suitability for different vehicle types and environments. Waimea Blue Metallic (170) is often chosen for luxury or sports vehicles, where its depth and luster enhance the car’s premium appearance. It performs well in moderate climates but may show wear more visibly in harsh conditions due to its darker tone. Olympic White (28), meanwhile, is a versatile choice for commercial fleets, classic restorations, or vehicles in hotter regions, as white reflects heat and minimizes fading. Its simplicity also makes it a cost-effective option for large-scale applications.
For DIY enthusiasts or professionals, distinguishing between these codes is essential to avoid costly mistakes. Always verify the paint code on the vehicle’s identification plate or consult the manufacturer’s documentation before purchasing. When working with code 170, invest in a clear coat specifically formulated for metallic finishes to preserve its shine. For code 28, use a primer designed for white paints to ensure opacity and longevity. Both codes benefit from regular washing and waxing, but code 170 may require more frequent maintenance to retain its metallic brilliance.
In summary, while GM paint codes 170 and 28 may appear similar at first glance, their differences in shade, application, and maintenance requirements make them distinct choices. Whether you’re restoring a classic or customizing a modern vehicle, understanding these nuances ensures a professional finish that stands the test of time. Always prioritize precision and the right materials to bring out the best in each color.
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Compatibility: Interchangeability of 170 and 28, matching issues, repair considerations
GM paint codes 170 and 28, both associated with the color "Olympic White," are often mistaken as interchangeable due to their similar appearance. However, they are not the same. Code 170 is typically found on older GM vehicles, particularly those from the 1960s and 1970s, while code 28 is used on more modern models. The slight variations in pigment and formulation mean that directly substituting one for the other can result in noticeable color mismatches, especially under different lighting conditions. For precise repairs or restorations, using the correct code is essential to maintain the vehicle’s authenticity and aesthetic integrity.
When addressing paint repairs, compatibility between codes 170 and 28 becomes a critical consideration. While both codes are Olympic White, the differences in their chemical composition can lead to issues like uneven sheen, slight hue variations, or poor adhesion when layered together. If you’re repairing a small area, blending the new paint with the existing finish is crucial. For larger repairs or repaints, it’s safer to stick with the original code to avoid visible discrepancies. Professional painters often recommend color-matching tests on a hidden area of the vehicle before proceeding with the full repair.
For DIY enthusiasts, understanding the limitations of interchangeability is key. While it might be tempting to use whichever code is more readily available, the risk of an unsatisfactory finish outweighs the convenience. If you’re unsure of your vehicle’s exact paint code, consult the manufacturer’s documentation or look for the code on the vehicle’s service tag, usually located on the driver’s side door jamb or under the hood. Online databases and paint suppliers can also assist in verifying the correct code for your specific make, model, and year.
In cases where the exact paint code is unavailable, blending techniques and modern color-matching technology can help bridge the gap between codes 170 and 28. However, this approach requires skill and precision, often necessitating professional intervention. For restoration projects aiming for historical accuracy, sourcing the correct paint code is non-negotiable. While minor touch-ups might tolerate a close approximation, full panels or entire vehicle repaints demand adherence to the original specifications to preserve value and appearance.
Ultimately, the interchangeability of GM paint codes 170 and 28 is limited by their distinct formulations and intended applications. While they may appear similar, their differences can become glaringly obvious in practical use. Whether you’re a professional painter or a DIY enthusiast, prioritizing accuracy in paint code selection ensures a seamless finish and maintains the vehicle’s original charm. When in doubt, consult experts or invest in proper color-matching tools to avoid costly mistakes and unsatisfactory results.
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Year and Model: Specific vehicles using 170 or 28, historical usage, production years
General Motors' paint codes 170 and 28 represent distinct colors with unique histories and applications across various models and years. Code 170, often associated with a shade of white, has been a staple in GM's palette, adorning vehicles from the 1960s through the 1990s. Notably, the 1967 Chevrolet Camaro and the 1970 Chevrolet Chevelle SS are iconic examples where this color was prominently featured, reflecting the era's preference for bold, clean aesthetics. In contrast, code 28, typically a shade of red, has been less prevalent but equally significant, appearing on select models like the 1969 Pontiac GTO Judge, a muscle car legend that used this hue to enhance its aggressive styling.
To identify whether a vehicle uses code 170 or 28, enthusiasts and restorers should consult the Service Parts Identification (SPID) label, usually found in the glove compartment or on the driver’s side door jamb. For instance, a 1972 Chevrolet Nova with code 170 would have been factory-painted in a classic white, while a 1968 Oldsmobile 442 with code 28 would sport a vibrant red. Production years for these codes often align with specific model refreshes or limited editions, making them valuable for historical accuracy in restorations.
Analyzing the historical usage of these codes reveals GM’s strategic color choices to appeal to different consumer tastes. Code 170’s longevity can be attributed to its versatility, suitable for both luxury and performance vehicles. Meanwhile, code 28’s sporadic appearances suggest it was reserved for high-impact models designed to stand out. For example, the 1971 Buick GSX, painted in code 28, used its bold red finish to emphasize its high-performance credentials.
When restoring a vehicle, it’s crucial to match the original paint code precisely. Modern reproductions of these colors may vary slightly due to advancements in paint technology, so sourcing period-correct materials is essential. For instance, a 1966 Chevrolet Impala SS in code 170 requires a specific formulation to replicate its original luster. Similarly, a 1970 Pontiac Firebird Trans Am in code 28 demands a precise red tone to maintain its iconic appearance.
In conclusion, understanding the specific vehicles, historical usage, and production years associated with GM paint codes 170 and 28 is vital for accurate restoration and appreciation of automotive history. From the white elegance of a 1967 Camaro to the fiery red of a 1969 GTO Judge, these codes tell stories of design trends and cultural preferences. By meticulously researching and applying these details, enthusiasts can preserve the legacy of these iconic vehicles for future generations.
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Finish Types: Gloss, matte, or metallic finishes for 170 and 28, visual effects
The choice between gloss, matte, or metallic finishes for GM paint codes 170 and 28 significantly impacts the visual appeal and maintenance of your vehicle. Gloss finishes, known for their high reflectivity, amplify the depth and richness of both colors, making them ideal for show cars or enthusiasts seeking a classic, polished look. However, gloss finishes are more prone to showing imperfections like scratches and swirl marks, requiring regular upkeep to maintain their luster.
Matte finishes, on the other hand, offer a modern, understated aesthetic that minimizes reflections and hides minor flaws. For GM paint code 170, a matte finish can soften its boldness, creating a more subdued yet sophisticated appearance. For code 28, matte can enhance its subtlety, giving it a stealthy, almost industrial vibe. Caution: matte finishes are notoriously difficult to clean and repair, as traditional waxing or polishing can alter their texture. Specialized cleaners and touch-up techniques are essential for preservation.
Metallic finishes introduce a dynamic element to both paint codes, incorporating fine metal flakes that shift under different lighting conditions. For 170, a metallic finish can add complexity, making its vibrant tone appear to change from red to burgundy depending on the angle. For 28, metallic accents can elevate its neutral tone, introducing a subtle shimmer that catches the eye without overwhelming. Note: metallic finishes often require more precise application to ensure even flake distribution, increasing labor costs during repainting.
When deciding between these finishes, consider your vehicle’s usage and environment. Gloss and metallic finishes are better suited for controlled environments or occasional drivers, while matte may fare better in urban settings where minor dings are inevitable. Always consult a professional for application, as each finish demands specific techniques and materials. For instance, matte finishes often require a clear coat designed to maintain their flat appearance, while gloss and metallic finishes benefit from high-quality sealants to enhance durability.
Ultimately, the finish you choose for GM paint codes 170 or 28 should align with your aesthetic goals and lifestyle. Gloss and metallic finishes offer timeless elegance and visual depth, but demand meticulous care. Matte finishes provide a contemporary edge and flaw-forgiving surface, yet require specialized maintenance. By understanding these nuances, you can make an informed decision that maximizes both the beauty and longevity of your vehicle’s paint.
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Availability: Market availability of 170 vs 28, sourcing challenges, cost differences
The market availability of GM paint codes 170 and 28 varies significantly, influenced by factors such as production era, vehicle popularity, and regional demand. Paint code 170, often associated with older GM models like the 1960s Chevrolet Impala, is less commonly found in modern auto body shops or retail stores. Its availability is primarily limited to specialty suppliers or custom mixing services, which require precise color formulas to recreate the original shade. In contrast, paint code 28, linked to more recent models like the 2000s Chevrolet Silverado, is more readily available through mainstream auto parts retailers and dealerships. This disparity highlights how the age and popularity of a vehicle directly impact the accessibility of its paint code.
Sourcing challenges for these paint codes further underscore their differences. For paint code 170, enthusiasts often face difficulties due to discontinued production and the lack of pre-mixed options. Custom mixing, while possible, requires accurate color codes and skilled technicians, adding time and complexity to the process. Paint code 28, however, benefits from its association with newer, widely owned vehicles, making it easier to locate in pre-mixed forms or through OEM suppliers. Online platforms like eBay or specialty forums may offer solutions for both codes, but the effort required for 170 is notably greater, often involving international suppliers or vintage car restoration networks.
Cost differences between the two paint codes reflect their availability and sourcing challenges. Paint code 170 typically commands a higher price due to its rarity and the labor-intensive process of custom mixing. Prices can range from $100 to $300 per gallon, depending on the supplier and the complexity of the formula. In contrast, paint code 28 is more affordable, with pre-mixed options available for $50 to $150 per gallon. Additionally, the cost of application services may be higher for 170 due to the need for specialized expertise in matching vintage colors. Budget-conscious consumers should factor in these expenses when planning repairs or restorations.
Practical tips for sourcing these paint codes include verifying the exact color code through vehicle documentation or professional inspection, as variations may exist. For paint code 170, contacting restoration specialists or joining vintage car forums can yield valuable leads. When dealing with paint code 28, leveraging OEM dealerships or reputable online retailers ensures authenticity and quality. Both cases benefit from comparing prices and reading reviews to avoid counterfeit products. Ultimately, understanding the availability, sourcing challenges, and cost differences between GM paint codes 170 and 28 empowers consumers to make informed decisions tailored to their specific needs.
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Frequently asked questions
No, GM paint code 170 and GM paint code 28 are different colors. They represent distinct shades and finishes.
It is not recommended to substitute one for the other, as they are different colors and will not match.
GM paint code 170 typically represents a specific color, such as a shade of white, black, or another hue, depending on the year and model of the vehicle.
GM paint code 28 represents a different color, such as a specific shade of red, blue, or another hue, depending on the vehicle’s make, model, and year.
You can find the correct GM paint code on the vehicle’s service tag, usually located on the driver’s side door jamb, glove box, or under the hood. Always double-check for accuracy.







































