Research 1999 Cadillac DeVille specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

4dr Sedan


Brake Type Power
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Brake ABS System Yes
Front Brake Rotor Diam x Thickness (in) 11.9 x 1.3
Rear Brake Rotor Diam x Thickness (in) 11.1 x 0.4

Cargo Area Dimensions

Trunk Volume (ft³) 20.0

Cooling System

Total Cooling System Capacity (qts) 12.5


Cold Cranking Amps @ 0° F (Primary) 770
Maximum Alternator Capacity (amps) 140


Displacement 4.6L/279
SAE Net Horsepower @ RPM 300 @ 6000
SAE Net Torque @ RPM 295 @ 4400
Engine Order Code
Engine Type Gas V8
Fuel System SFI

Exterior Dimensions

Width, Max w/o mirrors (in) 76.5
Min Ground Clearance (in) 5.8
Track Width, Rear (in) 60.9
Track Width, Front (in) 60.9
Height, Overall (in) 56.0
Length, Overall (in) 209.8
Wheelbase (in) 113.8
Liftover Height (in) 26.7

Fuel Tank

Fuel Tank Capacity, Approx (gal) 20.0

Interior Dimensions

Front Leg Room (in) 42.6
Front Head Room (in) 38.5
Second Head Room (in) 38.4
Second Leg Room (in) 43.3
Second Shoulder Room (in) 60.8
Second Hip Room (in) 57.3
Front Shoulder Room (in) 60.9
Passenger Capacity 5
Passenger Volume (ft³) 116.8
Front Hip Room (in) 58.1


EPA Fuel Economy Est - Hwy (MPG) 26
EPA Fuel Economy Est - City (MPG) 17


Turning Diameter - Wall to Wall (ft) 44.0
Steering Ratio (:1), Overall 15.3
Turning Diameter - Curb to Curb (ft) 40.7
Lock to Lock Turns (Steering) 2.65
Steering Type Power Rack & Pinion


Vehicle Name Cadillac Concours
Body Style 4 Door Sedan


Suspension Type - Rear Short/Long Arm
Stabilizer Bar Diameter - Rear (in) 0.55
Stabilizer Bar Diameter - Front (in) 0.75
Shock Absorber Diameter - Rear (mm) 35
Shock Absorber Diameter - Front (mm) 35
Suspension Type - Rear (Cont.) w/Coil Spring
Suspension Type - Front (Cont.) w/Coil Spring
Suspension Type - Front MacPherson Strut


Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P225/60R16
Rear Tire Size P225/60R16
Spare Tire Size T125/70R15


Wt Distributing Hitch - Max Tongue Wt. (lbs)
Dead Weight Hitch - Max Trailer Wt. (lbs) 1000
Dead Weight Hitch - Max Tongue Wt. (lbs) 100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 3000
Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs) 300


Drivetrain Front Wheel Drive
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.68
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.63
First Gear Ratio (:1) 2.96
Trans Description Cont. Again Electronic
Trans Description Cont. Automatic w/OD,
Trans Type 4
Trans Order Code
Final Drive Axle Ratio (:1) 3.71
Clutch Size (in)
Reverse Ratio (:1) 2.13


EPA Classification Full Size

Weight Information

Base Curb Weight (lbs) 4063


Spare Wheel Material Aluminum
Rear Wheel Size (in) 16 x 7.0
Spare Wheel Size (in) 15 x 4.0
Front Wheel Material Chrome
Front Wheel Material Aluminum
Front Wheel Size (in) 16 x 7.0
Rear Wheel Material Chrome
Rear Wheel Material Aluminum