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2011 Porsche Boxster

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2011 Boxster.

Body PASSENGER CARTransmission Automatic 7-spd

The 2011 Porsche Boxster is a passenger car featuring a 7-speed automatic transmission and an EPA-rated fuel economy of 20/29/23 mpg. This model year recorded one recall and two total owner complaints, with the power train cited as the primary area of concern. Within the model's broader 1997-2024 history, these figures place the 2011 iteration near the lowest point of owner dissatisfaction, which peaked at 34 complaints in 1998 and bottomed at one in 2008.

Model year2016 2015 2014 2013 2012 2011 2010 2009 2008

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque96 ft-lbsOEM · verified

EPA fuel economy20/29/23 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 0PB115499A. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter	0PB115499A alt 0PB115466A
Engine air filter	98711013301
Spark plug	99917013090
Battery	9A7915105 alt 99761102001
Front wiper blades	99662890111
Serpentine belt	9A110221601
Thermostat	9A110622503 alt PAF008955A
Cabin air filter	99757121902

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 7-spd

Dimensions & weight NHTSA vPIC

Overall length	170.9 in
Overall width	70.9 in
Overall height	50.8 in
Wheelbase	94.9 in
Curb weight	2987 lb
Track (front / rear)	58.3 / 59.1 in
Weight distribution (front / rear)	46/54

Ratings & economy EPA / vPIC

EPA city / highway / combined	20 / 29 / 23 mpg
Drivetrain	Rear-Wheel Drive
Recommended fuel	Premium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Boxster of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.3–5.1 sec0–60 mph (tested)quickest 4.30 sec — 2011 Spyder Convertible

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2011	Spyder Convertible 3.4L F-6	4.30 sec	12.90 sec	320 hp	RWD
2011	Spyder Convertible 3.4L F-6	4.30 sec	12.70 sec	320 hp	RWD
2011	Spyder Convertible 3.4L F-6	4.40 sec	12.90 sec	320 hp	RWD
2011	Spyder Convertible 3.4L F-6	4.40 sec	12.80 sec	320 hp	RWD
2011	Spyder Convertible 3.4L F-6	4.40 sec	12.80 sec	320 hp	RWD
2011	Spyder Convertible 3.4L F-6	5.10 sec	13.50 sec	320 hp	RWD
2009	S Convertible 3.4L F-6	4.30 sec	12.90 sec	310 hp	RWD
2009	S Convertible 3.4L F-6	4.50 sec	13.00 sec	310 hp	RWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine 75W-90 · GL-5 in the differential. Torque lug nuts to 96 ft-lbs. The firing order is 1-5-3-6-2-4.

Lubricants & capacities

Differential Gear Oil	75W-90 · GL-5
Differential Gear Oil Capacity	1.7 Pints
Engine Coolant	FILLED WITH PORSCHE LIFTIME COOLANT

Engine torques

Intake Manifold to Engine Bolts	9.5 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	17.0 ft-lbs
Intake Manifold to Engine Bolts	9.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	17.0 ft-lbs

Chassis torques

Lug Nuts	96 ft-lbs
Front Wheel Hub	Install a new nut and torque to 340.0 ft-lbs
Rear Wheel Hub	Install a new nut and torque to 340.0 ft-lbs

Ignition

Cylinder Firing Order	1-6-2-4-3-5
Cylinder Firing Order	1-5-3-6-2-4

Brakes

Minimum Pad Thickness	Front: 0.079; Rear: 0.079 in
Minimum Shoe Thickness	0.079 in

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 10,000 mi.

Every 10,000 mi	Engine Oil (drain & refill) · Engine Oil Filter (replace)
Every 20,000 mi	Air Intake System (inspect) · Body Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake System (inspect) · Cabin Air Filter (replace) · Driveshaft (inspect)
At 40,000 mi	Accessory Drive Belt (inspect)
Every 40,000 mi	CV Joint Boot (inspect) · Clutch Pedal Assembly (inspect) · Engine Air Filter Element (replace) · Exhaust System (Complete) (inspect) · Fuel Line (inspect) · Parking Brake System (inspect)
Every 60,000 mi	Accessory Drive Belt (inspect) · Drive Belt (replace)
At 120,000 mi	Drive Axle Assembly (drain & refill) · Transmission Assembly (drain & refill) · Transmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2011 Porsche Boxster sits near the low point of the complaints curve for this generation, with only 2 complaints and 1 recall—matching the pattern established from 2007 onward, when annual complaints dropped to single digits after the notably higher complaint years of 1997-2003 (which saw 11-34 complaints annually). The 2011 model's single recall is consistent with the 0-1 recalls recorded from 2005-2013, indicating no exceptional safety issues. The two complaint categories—power train and service brakes/hydraulic/electrical system—each had just one incident, and there were zero crash or fire complaints, which is notable given the earlier generation's higher complaint volumes. The 364 TSBs (technical service bulletins) is typical for the period and reflects routine manufacturer guidance rather than defects. Compared to the trend line, 2011 represents a stable, reliable year within this generation's lifecycle. A concrete takeaway: the 2011 Boxster benefits from the model's quality improvements over the earlier years while predating the slight uptick in complaints seen in 2013, making it a sound used-car choice within this generation.

Open recalls

NHTSA campaigns

364

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

0 involved a crash · 0 a fire

NHTSA crash-test rating federal NCAP · out of 5 stars

Rollover★★★★★

Owner complaints by model year NHTSA · this generation & adjacent

’97 ’98 ’99 ’00 ’01 ’02 ’03 ’04 ’05 ’06 ’07 ’08 ’09 ’10’11’12 ’13 ’14 ’15 ’16 ’17 ’24

Owner complaints filed with NHTSA, by component

All 2 complaints on record, top 2 components.

Power Train1

Service Brakes, Hydraulic,Electrical System1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 364 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
40/26 4407	2026-06-30	Wheels	Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to…
TSTR2636	2026-06-29	Unknown Or Other	Porsche Tester Software Update Information Software Version: 44.200.031
TSTR2635	2026-06-29	Unknown Or Other	Porsche Tester Software Update Information Software Version: 44.200.030
20/26	2026-06-25	Engine	Overview of Approved Porsche C20 Engine Oils (20/26)
19/26 1701	2026-06-25	Engine	Overview of Approved Porsche C30 Engine Oils (19/26)

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Boxster. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Engine oil filter 0PB115499A Engine air filter 98711013301 Spark plug 99917013090 Battery 9A7915105

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

Does the 2011 Boxster have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Boxster get?

EPA figures are 20 city / 29 highway / 23 combined mpg.