Research 1998 Porsche Boxster specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

2dr Roadster Manual


Rear Drum Diam x Width (in)
Front Brake Rotor Diam x Thickness (in) 11.74 x 0.95
Disc - Front (Yes or ) Yes
Brake ABS System Four-Wheel
Brake Type Pwr
Disc - Rear (Yes or ) Yes
Rear Brake Rotor Diam x Thickness (in) 11.5 x 0.80
Drum - Rear (Yes or )

Cargo Area Dimensions

Trunk Volume (ft³) 9.1

Cooling System

Total Cooling System Capacity (qts) -TBD-


Maximum Alternator Capacity (amps) 120
Cold Cranking Amps @ 0° F (Primary) -TBD-


SAE Net Horsepower @ RPM 201 @ 6000
SAE Net Torque @ RPM 181 @ 4500
Engine Order Code
Engine Type Gas Flat 6-cyl
Displacement 2.5L/151
Fuel System EFI

Exterior Dimensions

Wheelbase (in) 95.2
Track Width, Rear (in) 60.2
Track Width, Front (in) 57.7
Track Width, Front (in) 57.3
Height, Overall (in) 50.8
Width, Max w/o mirrors (in) 70.1
Length, Overall (in) 171.0
Liftover Height (in) -TBD-
Min Ground Clearance (in) 4.1
Track Width, Rear (in) 59.4

Fuel Tank

Fuel Tank Capacity, Approx (gal) 15.3

Interior Dimensions

Passenger Volume (ft³) -TBD-
Front Head Room (in) 38.1
Front Hip Room (in) -TBD-
Front Shoulder Room (in) 51.7
Front Leg Room (in) 41.6
Passenger Capacity 2


EPA Fuel Economy Est - City (MPG) 19
EPA Fuel Economy Est - Hwy (MPG) 26


Steering Type Pwr Rack & Pinion
Turning Diameter - Wall to Wall (ft) -TBD-
Turning Diameter - Curb to Curb (ft) 35.8
Lock to Lock Turns (Steering) 2.98
Steering Ratio (:1), Overall 16.9


Vehicle Name Porsche Boxster
Vehicle Name Porsche Boxster
Body Style 2 Door Roadster


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


Front Tire Size P205/50R17
Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P225/40ZR18
Front Tire Size P205/55R16
Rear Tire Size P255/40R17
Rear Tire Size P265/35ZR18
Rear Tire Size P225/50R16
Spare Tire Size Compact


Wt Distributing Hitch - Max Tongue Wt. (lbs) N/A
Dead Weight Hitch - Max Trailer Wt. (lbs) N/A
Dead Weight Hitch - Max Tongue Wt. (lbs) N/A
Wt Distributing Hitch - Max Trailer Wt. (lbs) N/A


Seventh Gear Ratio (:1)
Clutch Size (in) -TBD-
Reverse Ratio (:1) 3.44
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.79
Fourth Gear Ratio (:1) 1.03
Third Gear Ratio (:1) 1.43
Second Gear Ratio (:1) 2.12
Trans Description Cont. Again
Trans Description Cont. Manual
Trans Type 5
Trans Order Code
Drivetrain Rear-Wheel Drive
First Gear Ratio (:1) 3.50
Final Drive Axle Ratio (:1) 3.89


EPA Classification Two-Seater

Weight Information

Base Curb Weight (lbs) 2822


Front Wheel Size (in) 16 x 6
Front Wheel Size (in) 18 x 8
Front Wheel Size (in) 17 x 7
Spare Wheel Size (in) -TBD-
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material -TBD-
Rear Wheel Size (in) 18 x 10
Rear Wheel Size (in) 16 x 7
Rear Wheel Size (in) 17 x 8.5