DecodedCars2018 Chevrolet Corvette
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2018 models.
- Class
- Two Seaters
- Body styles
- Convertible Stingray/Z51, Convertible Z06, Coupe Stingray/Z51, Coupe Z06
- Engines
- 6.2L 8-cyl
- Transmission
- automatic, manual
- Drivetrain
- Rear-Wheel Drive
- Seats
- 2
- Fuel
- Premium Gasoline
- MPG (best)
- 19 combined · 16 city / 25 hwy
- Length
- 176.8 in
- Curb weight
- 3,300–3,580 lb
- NHTSA rating
- Not rated
- Recalls
- 1 campaign
Pros & cons
What's good
Nothing stands out against similar models in the data.
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 3 similar 2018 models — not a review. How we calculate this →
Overview
The 2018 Chevrolet Corvette is a two seaters offered with a 6.2L 8-cyl engine and rear-wheel drive.
It measures about 177 inches long and 74 inches wide on a 107-inch wheelbase, with a curb weight of roughly 3,362 lb (Convertible Stingray/Z51).
EPA rates its most efficient version at 19 MPG combined (16 city / 25 highway), 3% worse than the 2018 two seaters average of 19.6 MPG, for an estimated $4,350 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 1 recall campaign on file and owners have filed 51 complaints with NHTSA since 2015, most often about the wheels.
What changed for 2018
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2017 Corvette — a carry-over year in the data.
Compared with 2017; trim, feature and price changes aren't covered. See the 2017 Corvette →
Trims, performance & features
Trims
Safety & driver-assist features
Built in: Bowling Green, Kentucky
NHTSA vPIC, as reported by the manufacturer for 5 2018 Corvette configurations; may not list every trim. How we calculate this →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| Convertible Stingray/Z51 | 176.8 in | 74 in | 48.8 in | 106.7 in | 63 / 61.8 in | 3,362 lb | 49/51 |
| Convertible Z06 | 176.8 in | 77.2 in | 48.8 in | 106.7 in | 63 / 61.8 in | 3,580 lb | 50/50 |
| Coupe Stingray/Z51 | 176.8 in | 74 in | 48.8 in | 106.7 in | 63 / 61.8 in | 3,300 lb | 49/51 |
| Coupe Z06 | 176.8 in | 77.2 in | 48.8 in | 106.7 in | 63 / 61.8 in | 3,525 lb | 50/50 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Corvette | 6.2L 8-cyl | Manual 7-spd | Rear-Wheel Drive | 16 / 25 / 19 | -3% | $4,350 | 466 |
| Corvette | 6.2L 8-cyl | Automatic (S8) | Rear-Wheel Drive | 15 / 25 / 18 | -8% | $4,550 | 487 |
| Corvette | 6.2L 8-cyl | Manual 7-spd | Rear-Wheel Drive | 15 / 22 / 18 | -8% | $4,550 | 503 |
| Corvette | 6.2L 8-cyl | Automatic (S8) | Rear-Wheel Drive | 13 / 23 / 16 | -18% | $5,150 | 541 |
EPA estimates; "vs. class" is combined MPG against the 2018 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2018 Chevrolet Corvette.
Similar 2018 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2018 Chevrolet Corvette (this car) | 19 MPG | Not rated | 1 |
| 2018 Nissan 370z | 22 MPG | Not rated | 1 |
| 2018 Koenigsegg Agera RS | 13 MPG | Not rated | 0 |
| 2018 RUF Automobile RUF TURBO 12/CTR3 | 18 MPG | Not rated | 0 |
Recalls (1)
Steering › Electric Power Assist System · Mar 20, 2025
NHTSA campaign 25V175000 · 934 vehicles
- Problem
- General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, 2017-2018 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist may fail.
- Risk
- A loss of power steering assist can require greater steering effort, especially at low speeds, increasing the risk of a crash.
- Fix
- Dealers will replace the power steering gear assembly, free of charge. Owner notification letters were mailed April 15, 2025. Owners may contact Cadilac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252497020.
Not every 2018 Chevrolet Corvette is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2018 Chevrolet Corvette buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 1 recall this year — ask for proof of repairs.
- Wheels — 44 owner reports. Ask the seller and mechanic specifically about this system.
- Service Brakes — 2 owner reports. Brake firmly from speed; check for pulling, pulsing pedal or ABS warning light.
- Structure › Body — 1 owner reports. Open and close every door, the hood and tailgate; look for rust or misaligned panels.
- Mileage to watch. Owners typically reported problems around 10,000 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2018 Chevrolet Corvette. Not a substitute for a professional inspection.
Other Corvette years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2027 Corvette | 18 | – | Not rated | 0 | 1 |
| 2026 Corvette | 19 | 184.3 in | Not rated | 3 | 3 |
| 2025 Corvette | 19 | 184.3 in | Not rated | 3 | 11 |
| 2024 Corvette | 19 | 184.3 in | Not rated | 2 | 21 |
| 2023 Corvette | 19 | 182.3 in | Not rated | 1 | 27 |
| 2022 Corvette | 19 | 182.3 in | Not rated | 1 | 21 |
| 2021 Corvette | 19 | 182.3 in | Not rated | 2 | 13 |
| 2020 Corvette | 19 | 182.3 in | Not rated | 4 | 34 |
| 2019 Corvette | 19 | 176.8 in | Not rated | 1 | 148 |
| 2017 Corvette | 19 | 176.8 in | Not rated | 4 | 257 |
| 2016 Corvette | 21 | 176.8 in | Not rated | 2 | 104 |
| 2015 Corvette | 21 | 176.8 in | Not rated | 5 | 64 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Chevrolet. How we calculate this →