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2018 Corvette Grand Sport Convertible Specifications, Options and Production Numbers
Explore comprehensive Corvette specifications, production numbers, options, and color codes by model year. Your complete reference for authentic restoration and research.
Available Body Styles:
Production & Specifications
Total Production
512
Wheelbase
106.70"
Length
176.90"
Width
74.90"
Height
48.60"
Curb Weight
3,487.00 lbs.
Track Front/Rear
63.50" / 61.80"
Tire Size
P285/30ZR-19
Plant Built
Bowling Green
Base Engine
6.2L LT1 V8
Serial Range
1G1YY3D02J5100001 - 1G1YY3D02J5109670
| Total Production | 512 |
| Wheelbase | 106.70" |
| Length | 176.90" |
| Width | 74.90" |
| Height | 48.60" |
| Curb Weight | 3,487.00 lbs. |
| Track F/R | 63.50" / 61.80" |
| Tire Size | P285/30ZR-19 |
| Plant Built | Bowling Green |
| Base Engine | 6.2L LT1 V8 |
| Serial Range | 1G1YY3D02J5100001 - 1G1YY3D02J5109670 |
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Options for Model Year 2018, Grand Sport Convertible
* = Option price during model year
** = Option price adjusted for inflation, in 2025 dollars
** = Option price adjusted for inflation, in 2025 dollars
| Code | Description | Quantity | 2018* | 2025** |
|---|---|---|---|---|
| 1YW67 | Grand Sport Convertible | 512 | $70,490 | $90,341 |
| 36S | Yellow Custom Stitching | 6 | $395 | $506 |
| 38S | Red Custom Stitching | 16 | $395 | $506 |
| AE4 | Competition Sport Bucket Seats | 137 | $1,995 | $2,557 |
| ERI | Battery Protection Package | 260 | $100 | $128 |
| J6D | Gray Brake Calipers | 28 | $595 | $763 |
| J6E | Yellow Brake Calipers | 25 | $595 | $763 |
| J6F | Red Brake Calipers | 248 | $595 | $763 |
| M5U | 8-Speed Paddle Shift Automatic Transmission | 417 | $1,725 | $2,211 |
| MEK | 7-Speed Manual Transmission | 95 | $0 | $ |
| NPP | Performance Exhaust | 512 | $1,195 | $1,532 |
| TU7 | Two-Tone Seats | 12 | $395 | $506 |
| Z07 | Z07 Performance Package | 110 | $7,995 | $10,247 |
| Z15 | Grand Sport Heritage Package | 238 | $795 | $1,019 |
Paint Colors for Model Year 2018, Grand Sport Convertible
| Code | Description | Quantity | Additional Charge |
|---|---|---|---|
| G1E | Long Beach Red | 47 | $995.00 |
| G26 | Sebring Orange | 6 | $995.00 |
| G7Q | Watkins Glen Gray | 56 | $0.00 |
| G8G | Arctic White | 104 | $0.00 |
| G9F | Ceramic Matrix Gray | 56 | $0.00 |
| GAN | Blade Silver | 21 | $0.00 |
| GBA | Black | 73 | $0.00 |
| GC6 | Corvette Racing Yellow | 16 | $995.00 |
| GGA | Black Rose | 25 | $495.00 |
| GKZ | Torch Red | 78 | $0.00 |
| GTR | Admiral Blue | 30 | $0.00 |
Explore Corvette Production Stats, Options, and Colors by Model Year
From horsepower specs to factory paint codes, get the complete picture of every Corvette model year—all in one place. Our easy-to-use lookup tool offers detailed production statistics, available options, and exterior/interior color choices from 1968 to 1982. Whether you're restoring a vintage Stingray or researching rare build combinations, this resource helps you decode factory data and make informed decisions. Dive into the legacy of the Corvette with precision and passion.
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