BOXSTER S2004 13 Engine •Six-cylinders, orizontally opposed •Liquid cooled •Modular aluminum crankcase and cylinder heads •Forged steel crankshaft and connecting rods •Cast aluminum pistons Bore 3.66 in. / 93.0 mm Stroke 3.07 in. / 78.0 mm Displacement 194 cu. in. / 3,179 cc Compression Ratio 11.0:1 Valvetrain •Dual overhead camshafts •Four valves per cylinder •VarioCam® Plus system varies valve overlap from 1,250-5,120 rpm Engine Management ME 7.8 with hot film mass airflow sensors and E-Gas electronic throttle Lubrication System •Integrated dry sump •Centrifugal oil de-foamers •Engine oil cooler Induction Porsche dual-resonance air intake Fuel Injection Sequential, ith separate fuel mixture for each cylinder bank Ignition Direct ("distributorless") coil-on-plug, ndividual coil for each cylinder Fuel Requirement Premium unleaded, 1 octane minimum Horsepower 258 (SAE) @ 6,250 rpm Maximum torque 229 lb. Ft. 4,500 rpm Max. Engine speed 7,200 rpm Drivetrain Rear wheel drive Transmission Standard five-speed manual transmission Optional six-speed Tiptronic® S automatic transmission Gear ratios 6-Speed Manual Tiptronic S Automatic 1 3.82 3.66 2 2.20 2.00 3 1.52 1.41 4 1.22 1.00 5 1.02 0.74 6 0.84 – R 3.55 4.10 Final Drive 3.44:1 3.73:1 Body •Stamped steel unit body • Mid-Engine •Integrated safety bars with soft-touch covering •Power convertible roof with cloth headliner •Two seats •Front and rear luggage compartments Coefficient of drag (Cd) 0.32 Suspension Sport-tuned Front Independent, orsche-optimized MacPherson strut with aluminum lower control arms, oil springs, 3.6-mm stabilizer bar, as-charged dual-tube shock absorbers, egative steering roll radius. Rear Independent, orsche-optimized MacPherson strut with aluminum lower control arms, oil springs, 9.0-mm stabilizer bar, as-charged dual-tube shock absorbers, elf-stabilizing toe characteristics.Brakes •Power-assisted, ual circuit 4-wheel disc •One-piece (“monoblock”) fixed aluminum calipers •Anti-lock braking system (ABS 5.3) Front discs 12.53 in. diameter x 1.10-inch thick (318 mm x 28 mm) Rear discs 11.78 in. diameter x 0.95-inch thick (299 mm x 24 mm) 2004 Porsche® Boxster® S Technical Specifications 14 BOXSTER & BOXSTER S 2004 Wheels Pressure-cast aluminum alloy Standard Optional Front (diameter x width) 17 x 7 in. 18 x 7.5 in. Rear 17 x 8.5 in. 18.9 in. Tires Standard Optional Front 205/50 ZR17 225/40 ZR18 Rear 255/40 ZR17 265/35 ZR18 Steering Rack and pinion, ydraulic power assist Ratio 1:16.9 Turns lock-to-lock 2.98 Turning circle 35.8 ft. / 10.9m Exterior Dimensions Wheelbase 95.1 in. /2,415 mm Length 170.1 in. / 4,320 mm Height 50.8 in./ 1,290 mm Width 70.1 in. / 1,780 mm Track Standard 17-inch Optional 18-inch Front 57.3 in. (1,455 mm) 57.7 in. (1,465 mm) Rear 59.6 in. (1,514 mm) 59.2 in. (1,504 mm) Ground Clearance (laden) 4.1 in. / 105 mm Curb Weight 6-Speed Manual Tiptronic S 2,911 lb. (1,329 kg) 2,999 lb. (1,360 kg) Weight Distribution 46% front / 54% rear Interior Dimensions Leg room 41.6 in. / 1,057 mm Shoulder Room 51.7 in. / 1,313 mm Elbow room 53.4 in. / 1,356 mm Head room 38.4 in. / 975 mm Trunk Space 9.1 cu. Ft. / 260 liters (front and rear trunks combined) Capacities Engine oil 8.72 qt. / 8.25 l Fuel 16.9 gal. / 64 liters Performance 6-Speed Tiptronic S 0-62 mph (0-100 km/h) 5.7 sec. 6.4 sec. 0-99 mph (0-160 km/h) 13.2 sec. 14.9 sec. Top track speed 164 mph (264 km/h) 160 mph (258 km/h) Standing Kilometer 25.3 sec. 26.3 sec. Fuel Efficiency EPA-rated miles-per-gallon City/Highway 18/26 17/26 Canada (liters/100km) City/Highway 12.8/8.2 13.6/8.2