GRAND PRIX HARDTOP COUPE (26657) (k-3)

1968 Pontiac Sales Album

Standard Equipment
•	Circ-L-Aire Heater and Defroster
•	Energy Absorbing Steering Column
•	Padded Instrument Panel, Sun Visors and Windshield Corner Posts
•	Energy Absorbing Instrument Panel with Smooth, Contoured Knobs and Levers
•	Anti-theft Ignition Key Warning Buzzer
•	Labeled Instrument Panel Control Switches
•	Instrument Panel Map and Courtesy Lamp
•	Glove Compartment Lock
•	Cigar Lighter
•	Glove Box, Ashtray and Cigar Lighter Lamps
•	Ball Bearing Ashtray
•	Parking Brake Warning Light
•	Reduced-glare Instrument Panel, Windshield Wiper Arms and Blades
•	Inside Day-Night Mirror with Deflecting Base
•	Safety Front Armrests
•	Rear Armrests with Integral Ashtrays
•	Nylon-blend Loop-pile Carpeting
•	Padded Vinyl Trim on Upper Door and Rear Quarter Panels
•	Seat Belts with Pushbutton Buckles for all Passenger Positions
•	Outer Front Seat Belt Retractors
•	Folding Front Seat-back Latches
•	Full Padding on Rear Upper Panel of Front Seat Back
•	Soft, Low-profile Window Control Knobs and Coat Hooks
•	Passenger-guard Door Locks—All Doors
•	Safety Door and Window Regulator Handles
•	Safety Door Latches and Hinges
•	Theft-deterrent Door Locks and Keys
•	Center Dome Lamp
•	Trunk Lamp
•	Dual Master Cylinder Brake System with Warning Light
•	Self-adjusting Brake with Corrosion-resistant Brake Lines
•	Four-way Hazard Warning Flasher
•	Lane-change Feature in Direction Signal Control
•	Backup Lights

•	Body Side Marker Lights at Front and Rear
•	Concealed, Dual-speed Electric Windshield Wipers with Washer
•	Outside Rearview Mirror
•	Thick Laminate Windshield
•	Self-adjusting Hood Latch
•	Bright Metal Wheel Opening Moldings
•	Delco Eye Energizer Battery
•	Full-flow Oil Filter
•	26.5 Gallon Fuel Tank
•	Safety Rim Wheels
•	8.55 x 14 Tires

Distinctive Grand Prix Hardtop Coupe Equipment
•	Choice of Strato-bucket Front Seats or Strato-bench Front Seat with Contoured Backs and Free-standing Center Armrest
•	Choice of All-expanded Morrokide or Combination Cloth and Expanded Morrokide Interior
•	Floor Console with Locking Compartment (Bucket Seats Only)
•	Upper-level Ventilation System
•	Carpeted Lower Door Trim
•	Carpathian Elm Burl Grain Appearance on Instrument Panel and Door Inserts
•	Wide, Paddle-type Door Release Handles Integral with Armrests
•	Taffeta Perforated Headlining
•	Rear-seat Radio Speaker Grille
•	Foam-padded Rear-seat Cushion
•	Deluxe Steering Wheel
•	Electric Clock
•	Woven Fiber Package Shelf
•	Concealed Headlamps
•	Distinctive Rear-end Appearance
•	Bright Metal Rocker Panel Moldings
•	Decor Group Moldings
•	Deluxe Wheel Discs
•	Fender Skirts
•	Dual Exhaust System
•	Delcotron Alternator-Regulator

Standard Engine
400 Cu. In. V-8, 350 HP, 4-BBL Carb.—Prem. Fuel

Available Engines
400 Cu. In. V-8, 265 HP, 2-BBL Carb.—Reg. Fuel (with Turbo Hydra-Matic only)
428 Cu. In. V-8, 375 HP, 4-BBL Carb.—Prem. Fuel
428 Cu. In. High Output V-8, 390 HP, 4-BBL Carb.—Prem. Fuel

Standard Transmission
3-speed Manual—Floor Shift (console standard)

Available Transmissions
4-speed Manual—Floor Shift (with 428 Cu. In. engines only)
3-speed Manual—Column Shift (with Front Bench Seat)
Turbo Hydra-Matic—Column Shift (with Front Bench Seat)
Turbo Hydra-Matic—Floor Shift (console standard)

Exterior Dimensions (inches)
Overall Length	216.3
Wheelbase	121
Height	53.0
Overall Width	79.8
Front Tread (Wide-Track)	63
Rear Tread (Wide-Track)	64

Interior Dimensions (inches)	Front
Hip Room	63.8
Shoulder Room	62.4
Head Room (effective)	37.9
Leg Room (maximum effective)	42.3

	Rear
Hip Room	55.3
Shoulder Room	61.0
Head Room (effective)	37.2
Leg Room (minimum effective)	35.2
Trunk Capacity (usable luggage, cu. ft.)	N.A.
Note: See page Q-14 for additional specifications.

K-3

Sections: Series Availability · Selling Features · Sales Information

Content last modified: July 9, 2026 at 2:41 am