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Top : Buick Resource : Production Information : 1990's :
1998 Park Avenue

1998 Buick Park Avenue Specifications

3800 Series II Supercharged V-6
3800 Series II V-6
(Std.) (Park Avenue)
Series II Supercharged 3800 V-6 (Std.) (Ultra)
Type90o V-690 o V-6
Bore and Stroke (in.)3.80 x 3.403.80 x 3.40
Piston Displacement (cu. in.)231231
Cylinder Head and Block MaterialCast Iron/Cast IronCast Iron/Cast Iron
Compression Ratio9.4:18.5:1
Net Horsepower @ Engine rpm205 @ 5200240 @ 5200
Net Torque (lbs-ft) @ Engine rpm230 @ 4000280 @ 3600
Recommended FuelUnleaded RegularUnleaded Premium
Fuel ManagementSequential-Port Fuel InjectionSupercharged Sequential-Port Fuel Injection
Oil Capacity (qts)4 (5 w/filter)4 (5 w/filter)
EPA Fuel Economy Rating, City/Hwy (Projected)19/2818/27
Steering Gear Type (Park Avenue)Power Rack and Pinion
Steering Gear Type (Ultra)Magnetic Variable Effort
Overall Ratio17.0:1
Number of Wheel Turns (stop to stop)2.93/3.15**
Turning Diameter (ft) (curb to curb) (L/R)39.4/40.0
Tie Rods, Number2
**Ultra and Y56 package
Automatic Transmission with Overdrive
TypeFour-Speed with Electronically Controlled Capacity Clutch
Selector PatternPRNDD21
Gear Ratio (each times converter ratio)
Final Drive Ratio
Capacity - Dry (pts)14.8
Power Brake TypePower Front Disc/Rear Disc Anti-Lock System
Self-Adjusting FeatureStandard
Hydraulic System TypeProportioning
Effective Area Total (sq. in.)40.9
Gross Lining Area Total (sq. in.)52.7
Swept Area Total (sq. in.)397.9
Rotor Diameter/Thickness (in.)Front:11.85/1.26
Rear: 10.94/.43
Rotor Material and Type (F/R)Cast Iron - Vented
Cast Iron - Solid
Brake Lining Material, Front and RearSemi-Metallic
Front Lining
Outboard (in.)
Inboard (in.)
4.96 x 1.85 x .50
4.96 x 1.85 x .50
Rear Lining
Outboard (in.)
Inboard (in.)
3.57 x 1.33 x .35
3.57 x 1.33 x .35
Front Suspension TypeMacPherson Strut
Shock Absorbers, Front
Deflected Disc Strut
Stabilizer (mm)
30 mm - Solid Bar
Rear Suspension TypeSemi-Trailing w/Lateral Link
Shock Absorbers
Twin Tube with Electronic Level Control
Major Changes for 1998
Powertrain/Chassis/Suspension:Fuel tank capacity revised to 18.5 gallons
Exterior:Four new exterior colors: Twilight Blue Metallic (27), Midnight Blue Pearl (28), Emerald Green Pearl (38), Slate Green Pearl (61), Diamond White (78) mid-year
One new stripe color: Beige (46A)
Folding outside rearview mirrors - left and right
Interior:One new interior color: Medium Blue replaces Adriatic Blue
Light Autumn Green cloth canceled (Park Avenue)
Revised shirred cloth door trim (Park Avenue)
Next Generation Air Bags
New instrument panel trim plates (Ultra) (midyear 1997)
Passenger window lockout feature is now "programmable" to allow front passenger to control capability regardless of rear-window lockout setting
Dual sun visor map pockets added to driver side (std)
New Standard Equipment:Automatic parallel park assist added to passenger outside mirror - included with memory seat and mirror package (std on Ultra) (opt on Park Avenue)
Air Filtration system now standard on Park Avenue (carryover standard on Ultra) and rear-seat pass-through
New Optional Equipment:New OnStar service is an available dealer installed option (OnStar readiness - standard)
Product Improvements:
OBD II (engine emission diagnostics) enhancements
- Tethered fuel cap
- Onboard refueling vapor recovery system
- Enhanced evaporative emissions
Parking Brake
ControlFoot Pedal
Operated OnRear Brakes
Release LocationLeft-Hand Side Under Instrument Panel
Chassis/BodyIntegral Frame Body

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