2010 Chevrolet Corvette — Grand Sport Convertible
The 2010 Chevrolet Corvette Grand Sport Convertible shipped with 2 different factory tire sizes, depending on the wheel package it left the factory with (this can also reflect a staggered front/rear setup). Check your tire sidewall or door placard to confirm which one applies to your vehicle.
This trim shipped with more than one tire size (staggered fitment, front/rear, or optional wheel package). Confirm which one matches your vehicle by checking your tire sidewall or door placard.
275/35R18 (Front)
| Section width | 275 mm |
|---|---|
| Aspect ratio (sidewall height) | 35% (96.3 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~25.6" |
| Revolutions per mile | ~788 |
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325/30R19 (Rear)
| Section width | 325 mm |
|---|---|
| Aspect ratio (sidewall height) | 30% (97.5 mm) |
| Rim diameter | 19" |
| Overall tire diameter | ~26.7" |
| Revolutions per mile | ~756 |
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What this size means for your Chevrolet Corvette
On the 2010 Chevrolet Corvette Grand Sport Convertible, the factory 275/35R18 measures about 25.6″ in overall diameter with a 96.3 mm (3.8″) sidewall, and completes roughly 788 revolutions per mile. Its 35-series aspect ratio gives an ultra-low-profile, performance-oriented sidewall that favors steering precision over ride cushioning. In tire terms it is a passenger (P-metric / Euro-metric) size.
This is a staggered setup: the front axle runs 275/35R18 and the rear runs 325/30R19. The two sizes are not interchangeable, so order each for its correct axle and don't rotate front-to-rear.
On a vehicle of this age, the Chevrolet Corvette may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 2010 Chevrolet Corvette trims
- C6 Convertible Performance Handling Package 245/40R18 (Front) / 285/35R19 (Rear)
- C6 Convertible Standard Model 245/40R18 (Front) / 285/35R19 (Rear)
- C6 Coupe Performance Handling Package 245/40R18 (Front) / 285/35R19 (Rear)
- C6 Coupe Standard Model 245/40R18 (Front) / 285/35R19 (Rear)
- Grand Sport Coupe 275/35R18 (Front) / 325/30R19 (Rear)
- Z06 275/35R18 (Front) / 325/30R19 (Rear)
- ZR1 285/30R19 (Front) / 335/25R20 (Rear)
Chevrolet Corvette tire sizes by year
- 2026 Chevrolet Corvette 275/30R20 (Front) / 345/25R21 (Rear)
- 2025 Chevrolet Corvette 275/30R20 (Front) / 345/25R21 (Rear)
- 2024 Chevrolet Corvette 275/30R20 (Front) / 345/25R21 (Rear)
- 2023 Chevrolet Corvette 245/35R19 (Front) / 305/30R20 (Rear)
- 2022 Chevrolet Corvette 245/35R19 (Front) / 305/30R20 (Rear)
- 2021 Chevrolet Corvette 245/35R19 (Front) / 305/30R20 (Rear)
- 2020 Chevrolet Corvette 245/35R19 (Front) / 305/30R20 (Rear)
- 2019 Chevrolet Corvette 285/30R19 (Front) / 335/25R20 (Rear)
- 2018 Chevrolet Corvette 285/30R19 (Front) / 335/25R20 (Rear)
- 2017 Chevrolet Corvette 245/40R18 (Front) / 285/35R19 (Rear)
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.