Buick Riviera vs. Cadillac STS
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Highlights
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$33,820
Starting MSRP
|
$47,280
Starting MSRP
|
-
Starting MSRP
|
|
|
Supercharged Gas V6
Engine Type
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Gas V6
Engine Type
|
-
Engine Type
|
|
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18 City / 27 Hwy
MPG
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18 City / 27 Hwy
MPG
|
-
MPG
|
|
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240 hp
Horsepower
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302 hp
Horsepower
|
-
Horsepower
|
|
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Front Wheel Drive
Drive Type
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Rear Wheel Drive
Drive Type
|
-
Drive Type
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|
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5
Seating Capacity
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5
Seating Capacity
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-
Seating Capacity
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|
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3 yr / 36,000 mi
Basic Warranty
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4 yr / 50,000 mi
Basic Warranty
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-
Basic Warranty
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Engine
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Supercharged Gas V6
Engine Type
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Gas V6
Engine Type
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-
Engine Type
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|
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3.8L/231
Displacement
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3.6L/220
Displacement
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-
Displacement
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|
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240 @ 5200
SAE Net Horsepower @ RPM
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302 @ 6300
SAE Net Horsepower @ RPM
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-
SAE Net Horsepower @ RPM
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|
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280 @ 3600
SAE Net Torque @ RPM
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272 @ 5200
SAE Net Torque @ RPM
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-
SAE Net Torque @ RPM
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|
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A/T
4-Speed A/T Transmission Options
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6-Speed A/T
A/T Transmission w/Dual Shift Mode Transmission Options
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-
Transmission Options
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|
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18 City / 27 Hwy
MPG
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18 City / 27 Hwy
MPG
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-
MPG
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|
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13.2 qts
Total Cooling System Capacity
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10.9 qts
Total Cooling System Capacity
|
-
Total Cooling System Capacity
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Tires & Wheels
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P225/60R16
Front Tire Size
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P235/50VR17
Front Tire Size
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-
Front Tire Size
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|
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P225/60R16
Rear Tire Size
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P235/50VR17
Rear Tire Size
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-
Rear Tire Size
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T125/70R16
Spare Tire Size
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Not Available
Spare Tire Size
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-
Spare Tire Size
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|
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16 x 6.5 in
Front Wheel Size
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17 x 7.5 in
Front Wheel Size
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-
Front Wheel Size
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|
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16 x 6.5 in
Rear Wheel Size
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17 x 7.5 in
Rear Wheel Size
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-
Rear Wheel Size
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16 x 4 in
Spare Wheel Size
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Not Available in
Spare Wheel Size
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-
Spare Wheel Size
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|
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Aluminum
Front Wheel Material
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Aluminum
Front Wheel Material
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-
Front Wheel Material
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|
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Aluminum
Rear Wheel Material
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Aluminum
Rear Wheel Material
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-
Rear Wheel Material
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|
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Aluminum
Spare Wheel Material
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Not Available
Spare Wheel Material
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-
Spare Wheel Material
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Suspension
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MacPherson Strut
Suspension Type - Front
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Independent
Suspension Type - Front
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-
Suspension Type - Front
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|
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Semi Trailing Arm
Suspension Type - Rear
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Independent
Suspension Type - Rear
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-
Suspension Type - Rear
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|
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w/Coil Springs
Suspension Type - Front (Cont.)
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Not Available
Suspension Type - Front (Cont.)
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-
Suspension Type - Front (Cont.)
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|
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w/Coil Springs
Suspension Type - Rear (Cont.)
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Not Available
Suspension Type - Rear (Cont.)
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-
Suspension Type - Rear (Cont.)
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Steering
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Power
Steering Type
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Pwr rack & pinion
Steering Type
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-
Steering Type
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|
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16
Steering Ratio (:1), Overall
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18
Steering Ratio (:1), Overall
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-
Steering Ratio (:1), Overall
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|
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3
Lock to Lock Turns (Steering)
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3
Lock to Lock Turns (Steering)
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-
Lock to Lock Turns (Steering)
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|
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39 ft
Turning Diameter - Curb to Curb
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37 ft
Turning Diameter - Curb to Curb
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-
Turning Diameter - Curb to Curb
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|
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41 ft
Turning Diameter - Wall to Wall
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N/A
Turning Diameter - Wall to Wall
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-
Turning Diameter - Wall to Wall
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Measurements
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5
Passenger Capacity
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5
Passenger Capacity
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-
Passenger Capacity
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|
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100 ft³
Passenger Volume
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103 ft³
Passenger Volume
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-
Passenger Volume
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38 in
Front Head Room
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39 in
Front Head Room
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-
Front Head Room
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|
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43 in
Front Leg Room
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43 in
Front Leg Room
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-
Front Leg Room
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58 in
Front Shoulder Room
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59 in
Front Shoulder Room
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-
Front Shoulder Room
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|
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55 in
Front Hip Room
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55 in
Front Hip Room
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-
Front Hip Room
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36 in
Second Head Room
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38 in
Second Head Room
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-
Second Head Room
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|
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37 in
Second Leg Room
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38 in
Second Leg Room
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-
Second Leg Room
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|
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58 in
Second Shoulder Room
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57 in
Second Shoulder Room
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-
Second Shoulder Room
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|
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53 in
Second Hip Room
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56 in
Second Hip Room
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-
Second Hip Room
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|
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114 in
Wheelbase
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116 in
Wheelbase
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-
Wheelbase
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|
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207 in
Length, Overall
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197 in
Length, Overall
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-
Length, Overall
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|
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75 in
Width, Max w/o mirrors
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73 in
Width, Max w/o mirrors
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-
Width, Max w/o mirrors
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|
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55 in
Height, Overall
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58 in
Height, Overall
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-
Height, Overall
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|
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63 in
Track Width, Front
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62 in
Track Width, Front
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-
Track Width, Front
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|
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63 in
Track Width, Rear
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62 in
Track Width, Rear
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-
Track Width, Rear
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|
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5 in
Min Ground Clearance
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N/A
Min Ground Clearance
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-
Min Ground Clearance
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|
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32 in
Liftover Height
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N/A
Liftover Height
|
-
Liftover Height
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|
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17 ft³
Trunk Volume
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14 ft³
Trunk Volume
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-
Trunk Volume
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Weight & Capacity
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3,699 lbs
Base Curb Weight
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3,973 lbs
Base Curb Weight
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-
Base Curb Weight
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|
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1,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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1,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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-
Dead Weight Hitch - Max Trailer Wt.
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|
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100 lbs
Dead Weight Hitch - Max Tongue Wt.
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100 lbs
Dead Weight Hitch - Max Tongue Wt.
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-
Dead Weight Hitch - Max Tongue Wt.
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|
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Not Available lbs
Wt Distributing Hitch - Max Trailer Wt.
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Not Available lbs
Wt Distributing Hitch - Max Trailer Wt.
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-
Wt Distributing Hitch - Max Trailer Wt.
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|
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Not Available lbs
Wt Distributing Hitch - Max Tongue Wt.
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Not Available lbs
Wt Distributing Hitch - Max Tongue Wt.
|
-
Wt Distributing Hitch - Max Tongue Wt.
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|
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19 gal
Fuel Tank Capacity, Approx
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17 gal
Fuel Tank Capacity, Approx
|
-
Fuel Tank Capacity, Approx
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|
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N/A
Aux Fuel Tank Capacity, Approx
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N/A
Aux Fuel Tank Capacity, Approx
|
-
Aux Fuel Tank Capacity, Approx
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Safety
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-
Brake Assist
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Standard
Brake Assist
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-
Brake Assist
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-
Stability Control
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Standard
Stability Control
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-
Stability Control
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|
|
-
Navigation System
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Standard
Navigation System
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-
Navigation System
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Electrical
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970
Cold Cranking Amps @ 0° F (Primary)
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N/A
Cold Cranking Amps @ 0° F (Primary)
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-
Cold Cranking Amps @ 0° F (Primary)
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|
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140
Maximum Alternator Capacity (amps)
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N/A
Maximum Alternator Capacity (amps)
|
-
Maximum Alternator Capacity (amps)
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Brakes
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Power
Brake Type
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Pwr
Brake Type
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-
Brake Type
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|
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4 Wheel
Brake ABS System
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4-wheel
Brake ABS System
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-
Brake ABS System
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|
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N/A
Brake ABS System (Second Line)
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N/A
Brake ABS System (Second Line)
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-
Brake ABS System (Second Line)
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|
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Yes
Disc - Front (Yes or )
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Yes
Disc - Front (Yes or )
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-
Disc - Front (Yes or )
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Yes
Disc - Rear (Yes or )
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Yes
Disc - Rear (Yes or )
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-
Disc - Rear (Yes or )
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11.85 x 1.26 in
Front Brake Rotor Diam x Thickness
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11.9 x 1.3 in
Front Brake Rotor Diam x Thickness
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-
Front Brake Rotor Diam x Thickness
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|
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10.94 x 0.43 in
Rear Brake Rotor Diam x Thickness
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11.7 x 1.0 in
Rear Brake Rotor Diam x Thickness
|
-
Rear Brake Rotor Diam x Thickness
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|
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Not Available
Drum - Rear (Yes or )
|
Not Available
Drum - Rear (Yes or )
|
-
Drum - Rear (Yes or )
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FAQ
Which is more reliable, the 1999 Buick Riviera or the 2011 Cadillac STS?
The 1999 Buick Riviera is more reliable than the 2011 Cadillac STS according to Cars.com consumers, with a reliability rating of 5.0 for the 1999 Riviera versus a reliability rating of 4.3 for the 2011 STS.
Which is more fuel efficient, the 1999 Buick Riviera or the 2011 Cadillac STS?
The 2011 Cadillac STS is more fuel efficient than the 1999 Buick Riviera with 21 MPG combined versus 0 MPG combined.
Which car is cheaper, the 1999 Buick Riviera or the 2011 Cadillac STS?
The 1999 Buick Riviera is cheaper than the 2011 Cadillac STS with a $33,820 starting MSRP versus a $47,280 starting MSRP.
Compare the Cadillac STS
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