Chevrolet CorvetteTwin Turbo · 350 V8 GUZZLER FFS,TRBO · 5.7 L · manual 6-speed

C4 US configuration with 5.7 L, manual 6-speed, and source-linked EPA data.

01 / Key facts

Displacement347.8 cu inVerified

TransmissionManual 6-speedVerified

Driven wheelsRWDVerified

EPA combined15 mpg (US)Verified

Tailpipe CO₂592 g/miVerified

Technical specifications

Facts are grouped by system. Expand any row to inspect evidence and its exact source locator.

Identity

Model year: 1991
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field modelYear
Market: United States
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field market
Body style: Sports coupe or convertible
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field body
EPA vehicle class: Two Seaters
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field sourceClass
FuelEconomy.gov record: 7451
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field epaId

Powertrain

Cylinders: 8
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field cylinders
Displacement: 347.8 cu in
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field displacement
Engine description: (350 V8) (GUZZLER) (FFS,TRBO)
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field engineDescription
Induction: Turbocharged
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field induction
Fuel: Premium Gasoline
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field fuel

Transmission

Transmission: Manual 6-speed
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field transmission
Driven wheels: RWD
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field drive

Efficiency

EPA city: 13 mpg (US)
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field city
EPA highway: 20 mpg (US)
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field highway
EPA combined: 15 mpg (US)
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field combined

Emissions

Tailpipe CO₂: 592 g/mi
Verified
FuelEconomy.gov 1990–1999 vehicle records
Vehicle record 7451, field emissions

Sources used

Configuration identity and efficiency values come directly from the FuelEconomy.gov record. Marketing-trim names are not inferred where the government record does not state them.

government

FuelEconomy.gov 1990–1999 vehicle records

Official configuration, engine, transmission, drivetrain, fuel-economy, volume, and emissions records.

Applies to: United States, model years 1990–1999
Retrieved: 2026-08-26

Source ↗