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Compare 1999 Buick Riviera vs 1999 Pontiac Grand Prix

1999 Buick Riviera Change
1999 Pontiac Grand Prix Change
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Selected Style 2-Door Coupe 4-Door Sedan SE
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Body Style

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe GT 19 30 $19,343 $21,140
4-Door Sedan SE 20 29 $17,897 $19,560
4-Door Sedan GT 19 30 $19,480 $21,290
2-Door Coupe GTP 18 28 $21,873 $23,905
4-Door Sedan GTP 18 28 $22,010 $24,055
Pricing
Invoice Price
$30,607
$17,897
Manufacturer Suggested Retail Price
$33,820
$19,560
Monthly Payment Estimate
$564 / month
$326 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating Read Our Full Review
Fuel Economy
Fuel Economy - City 18 mpg 20 mpg
Fuel Economy - Highway 27 mpg 29 mpg
Vehicle
EPA Classification Mid-Size Mid-Size
Interior Dimensions
Second Hip Room (in) 52.7 54.3
Front Shoulder Room (in) 57.8 58.5
Second Head Room (in) 36.2 36.7
Passenger Capacity 5 5
Second Shoulder Room (in) 57.8 57.2
Front Leg Room (in) 42.6 42.4
Front Hip Room (in) 54.5 55.7
Second Leg Room (in) 37.1 35.8
Front Head Room (in) 38.2 38.3
Passenger Volume (ft³) 99.5 99.5
Exterior Dimensions
Track Width, Front (in) 62.5 61.7
Min Ground Clearance (in) 5.4 5.5
Length, Overall (in) 207.2 196.5
Height, Overall (in) 54.6 54.7
Track Width, Rear (in) 62.6 61.1
Wheelbase (in) 113.8 110.5
Liftover Height (in) 31.7 30.9
Width, Max w/o mirrors (in) 75.0 72.7
Cargo Area Dimensions
Trunk Volume (ft³) 17.4 16.0
Brakes
Drum - Rear (Yes or ) NA NA
Brake ABS System 4 Wheel 4-Wheel
Disc - Rear (Yes or ) Yes Yes
Rear Brake Rotor Diam x Thickness (in) 10.94 x 0.43 10.9 x 0.43
Brake Type Power Power
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Front Brake Rotor Diam x Thickness (in) 11.85 x 1.26 10.8 x 1.26
Fuel Tank
Fuel Tank Capacity, Approx (gal) 18.5 18.0
Steering
Steering Ratio (:1), Overall 15.5 17.6
Turning Diameter - Curb to Curb (ft) 39.1 36.9
Steering Type Power Power Rack & Pinion
Lock to Lock Turns (Steering) 3.15 2.3
Turning Diameter - Wall to Wall (ft) 40.9 - TBD -
Tires
Rear Tire Order Code NA QIN
Front Tire Size P225/60R16 P205/70R15
Spare Tire Size T125/70R16 T125/70D15
Front Tire Order Code NA QIN
Spare Tire Order Code NA NA
Rear Tire Size P225/60R16 P205/70R15
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs) 1000 1000
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA NA
Dead Weight Hitch - Max Tongue Wt. (lbs) 100 100
Weight Information
Base Curb Weight (lbs) 3699 3346
Wheels
Spare Wheel Material Aluminum Steel
Front Wheel Size (in) 16 x 6.5 15 x 6
Spare Wheel Size (in) 16 x 4 15 x 4
Rear Wheel Material Aluminum Steel
Rear Wheel Size (in) 16 x 6.5 15 x 6
Front Wheel Material Aluminum Steel
Cooling System
Total Cooling System Capacity (qts) 13.2 11.6
Electrical
Maximum Alternator Capacity (amps) 140 105
Cold Cranking Amps @ 0° F (Primary) 970 600
Engine
SAE Net Horsepower @ RPM 240 @ 5200 160 @ 5200
Engine Type Supercharged Gas V6 Gas V6
Fuel System SFI SFI
SAE Net Torque @ RPM 280 @ 3600 185 @ 4000
Engine Order Code L67 L82
Displacement 3.8L/231 3.1L/191
Mileage
EPA Fuel Economy Est - City (MPG) 18 20
EPA Fuel Economy Est - Hwy (MPG) 27 29
Transmission
Seventh Gear Ratio (:1) NA NA
Trans Description Cont. Again Electronic Electronic
Drivetrain Front Wheel Drive Front Wheel Drive
Reverse Ratio (:1) 2.39 2.39
Second Gear Ratio (:1) 1.57 1.57
Trans Order Code NA NA
Final Drive Axle Ratio (:1) 2.93 3.29
Fourth Gear Ratio (:1) 0.71 0.71
Trans Description Cont. Automatic w/OD, Automatic w/OD,
Sixth Gear Ratio (:1) NA NA
First Gear Ratio (:1) 2.92 2.92
Clutch Size (in) NA NA
Third Gear Ratio (:1) 1.00 1.00
Trans Type 4 4
Fifth Gear Ratio (:1) NA NA
Summary
Body Style 2 Door Coupe 4 Door Sedan
Vehicle Name Buick Riviera Pontiac Grand Prix
Suspension
Shock Absorber Diameter - Front (mm) 35 32
Stabilizer Bar Diameter - Front (in) 1.1 1.18
Suspension Type - Rear Semi Trailing Arm Tri-Link
Suspension Type - Rear (Cont.) w/Coil Springs w/Coil Springs
Shock Absorber Diameter - Rear (mm) 25 32
Suspension Type - Front MacPherson Strut MacPherson Strut
Stabilizer Bar Diameter - Rear (in) 0.67 0.71
Suspension Type - Front (Cont.) w/Coil Springs w/Coil Springs
 
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