1975 Corvette VIN Decoder & Specs
Unlock the secrets of your classic 1975 Corvette with our detailed VIN and trim tag decoder. Verify your car's originality and production history. The trim tag analysis will reveal the factory-applied interior and exterior colors, plus the exact build date, essential for accurate restoration. Decoders for other components can be found here.
In 1975, a total of 38,465 Corvettes were manufactured, comprising 31,972 Coupes and 6,493 Convertibles.
Table of Contents
How to Decode Your 1975 Corvette VIN – Full Breakdown & Guide
Uncover the detailed specifications of your 1975 Corvette with our VIN and trim tag decoder. Input your VIN to learn about the engine, body, and transmission options. This tool helps confirm your car's authenticity and production details. The trim tag analysis provides original color codes and build date, crucial for historical preservation.
| VIN |
|
|---|---|
| Trim tag 1968–1981 |
|
| 1975 VIN range | 1Z37J5S400001 – 1Z37J5S438465 |
|---|
1975 Corvette VIN Breakdown
| Position | Description | Possible Values |
|---|---|---|
| 1 | Make | 1 = Chevrolet |
| 2 | Series | Z = Corvette |
| 3–4 | Body Style | 37 = Coupe |
| 5 | Engine | J = L48 T = L82 |
| 6 | Model Year | 5 = 1975 |
| 7 | Assembly Plant | S = St. Louis |
| 8–13 | Unit Number | 400001 – 438465 |
All specifications and VIN decoding details on this page are sourced from the official 1975 Chevrolet Corvette Vehicle Information Kit (PDF) published by General Motors.
You can use the Corvette C3 Decoder to decode other Corvette 1975 codes and view Corvette 1975 charts on the Corvette C3 chart article. All specifications and VIN decoding details are based on official Chevrolet data from GM’s 1975 Corvette Vehicle Information Kit .
1975 Corvette Specifications
Verify the factory colors of your 1975 Corvette using this guide. Below is a comprehensive list of available exterior and interior colors, complete with color codes and visual examples. This resource helps ensure accuracy in confirming your 1975 Corvette’s original finish.
Exterior Colors
| Code | Color sample | Quantity |
|---|---|---|
| 10 | Classic White | 8,007 (20.82%) |
| 13 | Silver | 4,710 (12.24%) |
| 22 | Bright Blue | 2,869 (7.46%) |
| 27 | Steel Blue | 1,268 (3.30%) |
| 42 | Bright Green | 1,664 (4.33%) |
| 56 | Bright Yellow | 2,883 (7.50%) |
| 67 | Medium Saddle | 3,403 (8.85%) |
| 70 | Orange Flame | 3,030 (7.88%) |
| 74 | Dark Red | 3,342 (8.69%) |
| 76 | Mille Miglia Red | 3,355 (8.72%) |
Interior Colors
The 1975 Corvette offered buyers a choice of either leather or vinyl interior upholstery. Color options varied slightly depending on the chosen material.
| Code | Color |
|---|---|
| 19V | Black Vinyl |
| 192 | Black Leather |
| 73V | Dark Red Vinyl |
| 732 | Dark Red Leather |
| 26V | Dark Blue Vinyl |
| 262 | Dark Blue Vinyl |
| 65V | Medium Saddle Vinyl |
| 652 | Medium Saddle Leather |
| 14V | Silver Vinyl |
| 142 | Silver Leather |
| 60V | Neutral Vinyl |
Color combinations
For the 1975 Corvette, Chevrolet offered a selection of interior color options. Buyers could create custom combinations by choosing from leather and vinyl materials, allowing them to match their interior to their chosen exterior.
| Exterior Colors | Interior Colors | |||||
|---|---|---|---|---|---|---|
| Silver | Black | Blue | Neutral | Saddle | Red | |
| Classic White | X | X | X | X | X | X |
| Silver Metallic | X | X | — | X | X | X |
| Bright Blue Metallic | X | X | X | — | — | — |
| Steel Blue Metallic | X | X | X | — | — | — |
| Bright Green Metallic | X | X | — | X | X | — |
| Bright Yellow | — | X | — | X | X | — |
| Medium Saddle Metallic | — | X | — | X | X | — |
| Orange Flame | X | X | — | X | X | X |
| Dark Red Metallic | X | X | — | X | X | X |
Chassis
| Wheelbase | Length | Width | Weight |
|---|---|---|---|
| 98 in | 185.2 in | 69.0 in | Coupe: Curb: 3,529 lb; Shipping: 3,433 lb Convertible: Curb: 3,542 lb; Shipping: 3,446 lb |
Curb weight: Weight of the empty vehicle ready to drive. Shipping weight plus the weight of gasoline and water.
Shipping weight: Weight of the basic vehicle with regular equipment, grease, and oil. Weight of gasoline and water not included.
1975 Corvettes were outfitted with GR70-15 radial tires. Learn more about the tires used on Corvettes in the article Corvette C3 RPM Calculator.
1975 Corvette Engine Options
| Engine Code |
Order Code |
CI | HP | Equipment |
|---|---|---|---|---|
| CHA | L48/Federal | 350 | 165 | 4-Speed |
| CHB | L48(Federal) | 350 | 165 | TH400 |
| CHC | L82(Federal) | 350 | 205 | 4-Speed |
| CHR | L82(Federal) & California | 350 | 205 | TH400 |
| CHU | L48(Federal) | 350 | 165 | 4-Speed |
| CHZ | L48(California) | 350 | 165 | TH400 |
| CKC | L82(Federal) | 350 | 205 | TH400 |
| CRJ | L48(Federal) | 350 | 165 | 4-Speed |
| CRK | L48(Federal) | 350 | 165 | TH400 |
| CRL | L82(Federal) | 350 | 205 | 4-Speed |
| CRM | L82(Federal) | 350 | 205 | TH400 |
| CUA | L48(Federal) | 350 | 165 | 4-Speed |
| CUB | L48(Federal) | 350 | 165 | 4-Speed |
| CUD | L82(Federal) | 350 | 205 | 4-Speed |
| CUT | L82(Federal) | 350 | 205 | 4-Speed |
You can read more from the Corvette C3 Engines article.
1975 Corvette Transmission Options
| Code | Type | Transmission |
|---|---|---|
| W | Manual | Warner 4-Speed |
| CK | Automatic | Turbo Hydra-Matic 400 with L48 350 engine |
| CZ | Automatic | Turbo Hydra-Matic 400 with L82 350 engine |
You can read more from the Corvette C3 Transmissions article.
1975 Corvette Performance Data
| Engine Code | Engine | Displacement | Power | 0–60 mph | 1/4 Mile | Top Speed | Source |
|---|---|---|---|---|---|---|---|
| Base (L48) | 350 ci | 350 ci | 165 hp | 8.5 s | 16.4 s | 120 mph | Road & Track 1975 |
| L82 | 350 ci | 350 ci | 205 hp | 7.8 s | 15.7 s | 126 mph | Car and Driver 1975 |
Note: These figures are from period road tests when the cars were new. Modern examples vary due to age, condition, modifications, and different transmission/rear axle ratios available. Horsepower ratings switched from gross to net in 1972, affecting comparability across years.
1975 Corvette RPO Codes and Options
Chevrolet offered a number of options to allow buyers to customize their Corvette to their exact specifications.
| Code | Option | Total |
|---|---|---|
| 1YZ37 | Corvette sport coupe | 33,836 |
| 1YZ67 | Corvette convertible | 4,629 |
| Base | Vinyl trim | - |
| - | Leather trim | - |
| A31 | Power windows | 28,745 |
| A85 | Deluxe shoulder harness | 646 |
| C07 | Auxiliary hardtop | 2,407 |
| C08 | Auxiliary hardtop vinyl | 279 |
| C50 | Rear window defroster | 13,760 |
| C60 | Air conditioning | 31,914 |
| FE7 | Gymkhana suspension | 3,194 |
| J50 | Power brakes | 35,842 |
| L48 | 350 165 hp engine | 36,093 |
| L82 | 350 205 hp engine | 2,372 |
| M20 | 4-speed standard manual transmission | 8,935 |
| M21 | 4-speed close-ratio manual transmission | 1,057 |
| M40 | Turbo Hydra-Matic transmission | 28,473 |
| N37 | Tilt and telescopic steering column | 31,830 |
| N40 | Power steering | 37,591 |
| QRM | GR70 x 15 white stripe radial tires | 5,233 |
| QRN | GR70 x 15 blackwall radial tires | 2,825 |
| QRZ | GR70 x 15 white lettered radial tires | 30,407 |
| U05 | Dual horns | 22,011 |
| U58 | AM-FM stereo radio | 24,701 |
| U69 | AM-FM radio | 12,902 |
| UA1 | Heavy-duty battery | 16,778 |
| UF1 | Map light | 21,676 |
| UL5 | Radio delete | 862 |
| YF5 | California emissions | 3,037 |
| Z07 | Off-road suspension and brakes | 144 |
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Page last updated: December 2025