2012 Porsche Boxster S — Full Specifications

Reviewed by the 247VehicleCheck Data Team — automotive data reviewers

As an Amazon Associate and CJ Affiliate and AWIN publisher we earn from qualifying purchases. Links below are affiliate links.

28Combined MPG (UK)

3.4L 6-cylEngine

Premium GasolineFuel Type

N/AInsurance Group UK

N/ANHTSA Safety

263CO₂ g/km

Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.

The 2012 Porsche Boxster S is a coupe powered by a 3.4L 6-cyl premium gasoline engine, returning around 28 mpg (UK) / 23.0 mpg (US EPA) combined. Owners often keep a Porsche Boxster S workshop manual to hand for servicing and repairs.

Full Specifications

Engine	3.4L 6-cyl
Transmission	Automatic 7-spd
Fuel Type	Premium Gasoline
Powertrain	Conventional
Drive	Rear-Wheel Drive
Body Style	Coupe
Seats	Data not available
Length	Data not available
Width	Data not available
Height	Data not available
Kerb Weight	Data not available
Fuel Economy (UK)	28 combined / 24 urban / 35 extra-urban mpg
Fuel Economy (US EPA)	23.0 combined / 20.0 city / 29.0 highway mpg
CO₂ Emissions	263 g/km

Owner Essentials for the Porsche Boxster S

EONON Upgrade the stereo — Android head units and CarPlay systems built for this kind of car Shop Eonon Car Stereos → REXING Protect yourself on the road — Rexing dash cams have 10,000+ reviews and an 18-month warranty Shop Rexing Dash Cams → Amazon Porsche Boxster S Oil Filter Check Price →

UK Running Costs

Insurance group not available — check with your insurer. At around 8,000 miles per year and 28 mpg combined, expect roughly 1299 litres of fuel annually — multiply by your local price per litre for a cost estimate. Work out exact fuel costs with the fuel cost calculator on 247Calculators. Keeping the car well maintained helps too — a decent car care kit protects resale value.

Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.

Only need this car occasionally? See our buy vs rent comparison.

Safety Ratings (NHTSA)

NHTSA crash test data not available for this model year.

How It Compares

How does the Porsche Boxster S compare to similar coupes? Coupes in our database average around 27 mpg (UK) combined — this model sits close to that average, within 1 mpg. This comparison is based on 130 coupes in our dataset.

Last updated: 12 September 2026 · Data: US EPA (fueleconomy.gov) & NHTSA snapshots 18 July 2026; Wikidata & curated EU catalogue 18 July 2026

Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.

Recommended Accessories

CARLA Thinking of trying one before you buy? Rent it first — book now, pay later Rent a Car with Carla → LAWDEPOT Selling or leasing this car? Get a legally sound Bill of Sale or lease agreement in minutes Create a Document with LawDepot →

Frequently Asked Questions

What engine does the 2012 Porsche Boxster S have?

It's fitted with a 3.4L 6-cyl premium gasoline engine, paired with a automatic 7-spd transmission.

What is the fuel economy of the 2012 Porsche Boxster S?

It returns around 28 mpg (UK) combined, or 23.0 mpg on the US EPA cycle.

Does the 2012 Porsche Boxster S have a good safety rating?

NHTSA crash test data is not available for this model year.

How many seats does the 2012 Porsche Boxster S have?

Seating capacity data is not available for this model year. It's classed as a coupe.

Is the Porsche Boxster S's fuel economy good for a coupe?

Yes — it returns around 28 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the coupes we track.