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Vehicle Identification, Technical Data
275
Tire pressure plateThe tire pressure plate is attached to the left-hand 
door aperture.
Engine number The engine number is stamped on the underside 
of the crankcase. 
     
        
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276
Technical Data
Technical DataEngine data 
BoxsterBoxster S 
Type MA 120 MA 121
Horizontally opposed engine, liquid cooled Horizontally opposed engine, liquid cooled
Number of cylinders 6 6
Bore 3.5 in./89 mm 3.8 in./97 mm
Stroke 3.1 in./77.5 mm 3.1 in./77.5 mm
Cubic capacity 176.5 cu. in./2893 cm
3 209.7 cu. in./3436 cm
3
Net-horsepower 255 hp/188 kW 310 hp/228 kW
at crankshaft speed 6400 rpm 6400 rpm
Net torque 214 ft. lb./290 Nm 266 ft. lb./360 Nm
at crankshaft speed 4400 - 6000 rpm 4400 - 5500 rpm
Engine oil consumption up to 1.6 quarts/622 miles (1.5 liters/1000  km) up to 1.6 quarts/622 m iles (1.5 liters/1000 km) 
     
        
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Technical Data
277
Tire Pressure for Cold Tires (68 °F/20 °C)fThese tire pressures apply only to the ti re makes and types approved by Porsche. 
Please see the chapter “ WHEEL BOLTS” on Page 236.
f Please see the chapter “TPM TIRE PRESSURE MONITORING” on Page 147.
Summer and snow tires 
 
17 inch wheels front30 psi (2.0 bar)
rear 31 psi (2.1 bar)
18 inch wheels front30 psi (2.0 bar)
rear 31 psi (2.1 bar)
19 inch wheels front  32 psi (2.2 bar)
rear 34 psi (2.3 bar) 
     
        
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Technical Data
Tires, Rims, Tracks BoxsterTiresRim Rim offset Track 
Summer tires front205/55 ZR 17 91Y 7 J x 17 H2 55 mm 58.7 in./1490 mm
rear  235/50 ZR 17 96Y 8.5 J x 17 H2 40 mm 60.4 in./1534 mm
or front 235/40 ZR 18 91Y 8 J x 18 H2 57 mm 58.5 in./1486 mm
rear 265/40 ZR 18 101Y XL 9 J x 18 H2 43 mm 60.2 in./1528 mm
or front 235/35 ZR 19 87Y 8 J x 19 H2 57 mm 58.5 in./1486 mm
rear 265/35 ZR 19 94Y 9.5 J x 19 H2 46 mm 59.9 in./1522 mm 
or front 235/35 ZR 19 87Y 8.5 J x 19 H2 55 mm 58.7 in./1490 mm
rear 265/35 ZR 19 94Y 10 J x 19 H2 42 mm 60.2 in./1530 mm
Snow tires front205/55 R 17 91V M+S 7 J x 17 H2 55 mm 58.7 in./1490 mm
rear  * 235/50 R 17 96V M+S 8.5 J x 17 H2 40 mm 60.4 in./1534 mm
or front 235/40 R 18 91V M+S 8 J x 18 H2 57 mm 58.5 in./1486 mm
rear  * 255/40 R 18 95V M+S 9 J x 18 H2 43 mm 60.2 in./1528 mm
The load capacity coefficient (e.g. ”91“) and maximum speed code letter (e.g. ”V“) are minimum requirements.  
     
        
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Technical Data
279
fWhen changing tires or fitting new ones:  Please see the chapter “WHEEL BOLTS” on Page 236.
 Danger!
Installation of sizes not authorized by
Porsche may have a dangerous effect on 
the driving stability and could result in 
serious personal injury or death.
f Before mounting new tires, check with yourPorsche dealer about the current release status. 
Boxster S Tires Rim Rim offset Track 
Summer tires
front 235/40 ZR 18 91Y 8 J x 18 H2 57 mm 58.5 in./1486 mm
rear 265/40 ZR 18 101Y XL 9 J x 18 H2 43 mm 60.2 in./1528 mm
or front 235/35 ZR 19 87Y 8 J x 19 H2 57 mm 58.5 in./1486 mm
rear 265/35 ZR 19 94Y 9.5 J x 19 H2 46 mm 59.9 in./1522 mm
or front 235/35 ZR 19 87Y 8.5 J x 19 H2 55 mm 58.7 in./1490 mm
rear 265/35 ZR 19 94Y 10 J x 19 H2 42 mm 60.2 in./1530 mm
Snow tires front235/40 R 18 91V M+S 8 J x 18 H2 57 mm 58.5 in./1486 mm
rear  * 255/40 R 18 95V M+S 9 J x 18 H2 43 mm 60.2 in./1528 mm
The load capacity coefficient (e.g. ”91“) and maximum sp eed code letter (e.g. ”Y“) are minimum requirements. 
Tire and rim sizes Extensive tests are performed before specific tires and wheels  are approved by Porsche. Your Porsche dealer has information 
about approved tires and wheels and is happy to assist you. If  aftermarket tires and/or wheels are installed which are not 
approved by Porsche, the vehicle’s roadability and handling characteristics might be  impaired. Since Porsche has no data on 
such combinations, Porsche cannot st and behind the safety or durability of these aftermarket combinations. 
Snow chains  Can be mounted only on the rear wheels;  maximum speed 30 mph/50 km/h. Use only Porsche authorized fine-link 
cross-type or edge chains.  Snow chain clearance can be guaranteed only  with the tire + rim combination marked*
without spacers.  Please see the chapter “SPACERS” on Page 243. 
     
        
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Technical Data
Driving Performance* * At DIN empty weight and half load, without performance-inhibiting extra equipment.
Boxster Manual transmission Porsche Doppelkupplung
Top track speed
6-speed transmission 164 mph/263 km/h 162 mph/261 km/h
Acceleration 0 – 60 mph 5.6 seconds
5.5 seconds
Acceleration 0 – 60 mph with Sport+ 5.3 seconds
Acceleration 0 – 100 km/h (6 2 mph) 5.9 seconds5.8 seconds
Acceleration 0 – 100 km/h (62 mph)  with Sport+ 5.6 seconds
Boxster S Manual transmission Porsche Doppelkupplung
Top track speed 170 mph/274 km/h 169 mph/272 km/h
Acceleration 0 – 60 mph 5.0 seconds4.9 seconds
Acceleration 0 – 60 mph with Sport+ 4.7 seconds
Acceleration 0 – 100 km/h (6 2 mph) 5.3 seconds5.2 seconds
Acceleration 0 – 100 km/h (62 mph)  with Sport+ 5.0 seconds 
     
        
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281
Capacities Use only fluids and fuels authorized by Porsche. Your authorized Porsche dealer will gladly advise you.
Your Porsche has been designed so that it is not  necessary to mix any additives with oils or fuels. 
Engine Oil change quantity with oil filter approx. 1.98 U.S.gallons/7.5 liters 
Please see the chapter “ENGINE OIL RECOMMENDATION” on Page 200.
Coolant Boxster: approx. 6.05 - 6.18 U.S. gallons/22.9 - 23.4 liters 
Boxster S : approx. 6.13 - 6.61  U.S. gallons/23.3 - 25 liters 
Manual transmission and differential Boxster: approx. 0.79 U.S. gallons/3 liters
Boxster S: approx. 0.85 U.S. gallons/3.2 liters
Porsche Doppelkupplung
Gear set approx. 0.78 U.S. gallons/2.95 liters 
Porsche Doppelkupplung
Clutch/Hydraulic fluid approx. 1.37 U.S. gallons/5.2 liters
Power steering approx. 1.1 quarts/1 liter hydraulic fluid Pentosin CHF 11 S
® or CHF 202 S
®
Brake fluidapprox. 0.4 quarts/0.39 liters; use 
only Original Porsche brake fluid 
Windshield washer approx. 0.66 U.S. gallons/2.5 liters without headlight washer 
approx. 1.58 U.S. gallons/6 liters with headlight washer 
Fuel tank Refill volume approx. 16.9 U.S. gallons/64 liters,  including approx. 2.6 U.S.gallons/10 liters reserve.
Fuel quality Your engine is designed to provide optimum performance and fuel economy using  unleaded premium fuel with 
an octane rating of 98 RON (93 CLC or AKI).  
Porsche therefore recommends the use  of these fuels in your vehicle. 
Porsche also recognizes that these fuels may not always be available. Be assured tha t your vehicle will operate 
properly on unleaded premium fuels with octane numbers of at least  95 RON (90 CLC or AKI), since the engine’s 
”Electronic Octane™ knock control“ will adapt the ignition timing, if necessary. 
     
        
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282
Technical Data
Weights 
Dimensions BoxsterManual transmissionPorsche Doppelkupplung
Empty weight (depending on equipment) 2943 lbs. to 3153 lbs. 3009 lbs. to 3230 lbs.
1335 kg to 1430 kg 1365 kg to 1465 kg
Maximum gross weight 3605 lbs./1635 kg 3682 lbs./1670 kg
Maximum axle load, front* 1731 lbs./785 kg1731 lbs./785 kg
Maximum axle load, rear* 2017 lbs./915 kg 2017 lbs./915 kg
Boxster S Manual transmissionPorsche Doppelkupplung
Empty weight (depending on equipment) 2987 lbs. to 3175 lbs. 3042 lbs. to 3241 lbs.
1355 kg to 1440 kg 1380 kg to 1470 kg
Maximum gross weight 3627 lbs./1645 kg 3693 lbs./1675 kg
Maximum axle load, front* 1731 lbs./785 kg1731 lbs./785 kg
Maximum axle load, rear* 2072 lbs./940 kg 2072 lbs./940 kg
*The maximum gross weight must not be exceeded. Note:  If additional accessories are installed, the useful load will be correspondingly less.
BoxsterBoxster S
Length 172.1 in./4372 mm
172.1 in./4372 mm
Width 70.9 in./1801 mm
70.9 in./1801 mm
Width with door mirrors 76.9 in./1952 mm
76.9 in./1952 mm
Height 50.9 in./1292 mm, with PASM 50.5 in./1282 mm
50.9 in./1294 mm, with PASM 50.6 in./1284 mm
Wheelbase 95.1 in./2415 mm
95.1 in./2415 mm
Ground clearance 4.4 in./112 mm, with PASM 4.1 in./105 mm
4.3 in./109 mm, with PASM 4.0 in./101 mm
Tu r n i n g  c i rc l e 36.4 ft./11.1 m
36.4 ft./11.1 m