Research 2005 Buick Century specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Custom 4dr Sedan Custom


Disc - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Front Brake Rotor Diam x Thickness (in) 10.8 x 1.3
Brake Type Pwr
Brake ABS System 4-Wheel
Brake ABS System
Rear Brake Rotor Diam x Thickness (in) 10.8 x 1.3

Cargo Area Dimensions

Trunk Volume (ft³) 16.7

Cooling System

Total Cooling System Capacity (qts) 11.6


Cold Cranking Amps @ 0° F (Primary) - TBD -
Maximum Alternator Capacity (amps) - TBD -


Engine Type Gas V6
Engine Order Code LG8
Displacement 3.1L/191
Fuel System SFI
SAE Net Horsepower @ RPM 175 @ 5200
SAE Net Torque @ RPM 195 @ 4000

Exterior Dimensions

Length, Overall (in) 194.6
Wheelbase (in) 109.0
Track Width, Rear (in) 61.1
Width, Max w/o mirrors (in) 72.7
Height, Overall (in) 56.6
Track Width, Front (in) 62.0
Liftover Height (in) - TBD -
Min Ground Clearance (in) - TBD -

Fuel Tank

Fuel Tank Capacity, Approx (gal) 17

Interior Dimensions

Front Leg Room (in) 42.4
Second Hip Room (in) 53.3
Second Shoulder Room (in) 57.1
Second Leg Room (in) 36.9
Second Head Room (in) 37.4
Front Hip Room (in) 54.4
Front Shoulder Room (in) 58.0
Front Head Room (in) 39.4
Passenger Capacity 6
Passenger Volume (ft³) 101.8


EPA Fuel Economy Est - Hwy (MPG) 30
EPA Fuel Economy Est - City (MPG) 20


Turning Diameter - Curb to Curb (ft) 37.5
Steering Type Pwr rack & pinion
Steering Ratio (:1), Overall 15.2
Turning Diameter - Wall to Wall (ft) - TBD -
Lock to Lock Turns (Steering) 2.74


Vehicle Name Buick Century
Body Style 4dr Sdn Custom


Suspension Type - Front (Cont.) Independent
Shock Absorber Diameter - Front (mm) - TBD -
Shock Absorber Diameter - Rear (mm) - TBD -
Stabilizer Bar Diameter - Front (in) - TBD -
Stabilizer Bar Diameter - Rear (in) - TBD -
Suspension Type - Front 4-wheel
Suspension Type - Rear 4-wheel
Suspension Type - Rear (Cont.) Independent


Front Tire Size P225/60R16
Front Tire Order Code QNX
Front Tire Order Code QGY
Rear Tire Order Code QNX
Rear Tire Order Code QGY
Spare Tire Order Code
Front Tire Size P205/70R15
Rear Tire Size P225/60R16
Rear Tire Size P205/70R15
Spare Tire Size - TBD -


Wt Distributing Hitch - Max Tongue Wt. (lbs) - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs) 1000
Dead Weight Hitch - Max Tongue Wt. (lbs) 100
Wt Distributing Hitch - Max Trailer Wt. (lbs) - TBD -


Seventh Gear Ratio (:1)
Reverse Ratio (:1) 2.385
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.705
Third Gear Ratio (:1) 1.000
Second Gear Ratio (:1) 1.568
First Gear Ratio (:1) 2.921
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 4
Trans Order Code MX0
Drivetrain Front Wheel Drive
Final Drive Axle Ratio (:1) 3.05
Clutch Size (in)


EPA Classification Mid-Size

Weight Information

Base Curb Weight (lbs) 3342


Rear Wheel Size (in) 16 x 6
Front Wheel Size (in) 15 x 6
Front Wheel Size (in) 16 x 6
Front Wheel Material Steel
Rear Wheel Material Aluminum
Rear Wheel Material Steel
Spare Wheel Material Steel
Spare Wheel Size (in) - TBD -
Front Wheel Material Aluminum
Rear Wheel Size (in) 15 x 6