4-Speed Automatic.

　　1999 Buick Park Avenue 28/19 Highway/City MPG

　　Options:

　　55/45 Split Bench Seat|Cloth Seat Trim|4-Wheel Disc Brakes|Air Conditioning|Cassette|Tachometer|Abs Brakes|Am/Fm Radio|Alloy Wheels|Auto-Leveling Suspension|Automatic Temperature Control|Bodyside Moldings|Bumpers: Body-Color|Delay-Off Headlights|Driver Door Bin|Driver Vanity Mirror|Dual Front Impact Airbags|Four Wheel Independent Suspension|Front Anti-Roll Bar|Front Dual Zone A/C|Front Reading Lights|Fully Automatic Headlights|Illuminated Entry|Outside Temperature Display|Overhead Console|Panic Alarm|Passenger Door Bin|Passenger Vanity Mirror|Power Adjustable Front Head Restraints|Power Door Mirrors|Power Driver Seat|Power Passenger Seat|Power Steering|Power Windows|Rear Anti-Roll Bar|Rear Reading Lights|Rear Seat Center Armrest|Rear Window Defroster|Remote Keyless Entry|Security System|Speed Control|Tilt Steering Wheel|Variably Intermittent Wipers|Front Center Armrest W/Storage