1991 C4 Corvette

• Not a year of great change after the launch of the ZR-1 the previous year.
• Standard Corvettes were restyled at the rear to more closely resemble the ZR-1 with a convex rear fascia and two rectangular tail lamps on either side of the car.
• A new front end with wrap-around parking lamps was used on both models, along with new side-panel louvers and wider body-color body side moldings.
• Although more alike the standard Corvette in a visual sense, the ZR-1 again had difterent doors and a wider rear to accommodate its 11-inch wide rear wheels.
• Also the high-mounted stop lamp went on the roof of the ZR-1, instead of on the rear fascia, as on the YY Corvette.
• All models were again equipped with ABS Il-S anti-lock braking and driver's side airbag as well as an anti-theft system.
• The ZR-1 was again powered by the 32-valve DOHC 5.7-liter V-8 matched with a six-speed transaxle.
• Corvette models used the 5.7-liter TPI V-8 fitted with the four-speed overdrive automatic or optional six-speed manual transmission.
• Corvette colors were
  • White
  • Steel Blue Metallic
  • Yellow
  • Black
  • Turquoise Metallic
  • Dark Red Metallic
  • Quasar Blue Metallic
  • Bright Red
  • Polo Green Metallic
  • Charcoal Metallic
• Interiors came in Blue; Black; Gray; Red; Saddle; and White.
• Standard features included a removable body-color roof panel for hatchbacks or a convertible top.
• Black, Saddle, Red, White, and (late in the year) Blue top colors were available, but the choices were determined by body paint color.
• Cloth upholstery was also standard.

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