DecodedCars2015 Porsche Boxster
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2015 models.
- Class
- Two Seaters
- Body styles
- Base/S 2dr Convertible, Gts 2dr Convertible
- Engines
- 2.7L 6-cyl, 3.4L 6-cyl
- Drivetrain
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 25 combined · 22 city / 31 hwy
- Length
- 172–173.2 in
- Curb weight
- 2,932–2,965 lb
- NHTSA rating
- Not rated
- Recalls
- 2 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 25 MPG combined — 20% better than the average 2015 two seaters (20.8 MPG).
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 6 similar 2015 models — not a review. How we calculate this →
Overview
The 2015 Porsche Boxster is a two seaters offered with 2 engines (2.7L 6-cyl and 3.4L 6-cyl) and rear-wheel drive.
It measures about 172 inches long and 71 inches wide on a 98-inch wheelbase, with a curb weight of roughly 2,932 lb (Base/S 2dr Convertible).
EPA rates its most efficient version at 25 MPG combined (22 city / 31 highway), 20% better than the 2015 two seaters average of 20.8 MPG, for an estimated $3,300 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 2 recall campaigns on file and owners have filed 3 complaints with NHTSA since 2015, most often about the engine.
What changed for 2015
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2014 Boxster — a carry-over year in the data.
Compared with 2014; trim, feature and price changes aren't covered. See the 2014 Boxster →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| Base/S 2dr Convertible | 172 in | 70.9 in | 50.4 in | 97.6 in | 59.8 / 61.4 in | 2,932 lb | 46/54 |
| Gts 2dr Convertible | 173.2 in | 70.9 in | 50 in | 97.6 in | 59.8 / 61.4 in | 2,965 lb | 46/54 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Boxster | 2.7L 6-cyl | Automatic (AM-S7) | Rear-Wheel Drive | 22 / 31 / 25 | +20% | $3,300 | 352 |
| Boxster GTS | 3.4L 6-cyl | Automatic (AM-S7) | Rear-Wheel Drive | 21 / 30 / 25 | +20% | $3,300 | 359 |
| Boxster | 2.7L 6-cyl | Manual 6-spd | Rear-Wheel Drive | 20 / 29 / 24 | +15% | $3,400 | 376 |
| Boxster S | 3.4L 6-cyl | Automatic (AM-S7) | Rear-Wheel Drive | 21 / 29 / 24 | +15% | $3,400 | 372 |
| Boxster S | 3.4L 6-cyl | Manual 6-spd | Rear-Wheel Drive | 20 / 27 / 22 | +6% | $3,750 | 397 |
| Boxster GTS | 3.4L 6-cyl | Manual 6-spd | Rear-Wheel Drive | 19 / 26 / 22 | +6% | $3,750 | 404 |
EPA estimates; "vs. class" is combined MPG against the 2015 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2015 Porsche Boxster.
Similar 2015 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2015 Porsche Boxster (this car) | 25 MPG | Not rated | 2 |
| 2015 Porsche 911 | 23 MPG | Not rated | 2 |
| 2015 Jaguar F-Type | 23 MPG | Not rated | 3 |
| 2015 Porsche Cayman | 25 MPG | Not rated | 2 |
| 2015 BMW Z4 | 26 MPG | Not rated | 1 |
| 2015 Mercedes-Benz SLK-Class | 26 MPG | Not rated | 0 |
| 2015 Audi TT Roadster | 26 MPG | Not rated | 0 |
Recalls (2)
Power Train › Axle Assembly · Sep 1, 2021
NHTSA campaign 21V679000 · 4,934 vehicles
- Problem
- Porsche Cars North America, Inc. (Porsche) is recalling certain 2013-2015 Boxster, 2013-2014 Boxster S, 2014-2015 Cayman, Cayman S, 2015 Boxster GTS, and Cayman GTS vehicles. The rear-axle carrier side sections may fracture.
- Risk
- A carrier fracture may cause a loss of control, increasing the risk of a crash.
- Fix
- Dealers will replace the rear-axle carrier side sections, free of charge. Owner notification letters were mailed January 6, 2022. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB7.
Latches/Locks/Linkages › Hood › Latch · Nov 4, 2014
NHTSA campaign 14V698000 · 1,382 vehicles
- Problem
- Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2014-2015 Porsche 911, Boxster, and Cayman vehicles manufactured May 7, 2014, to September 23, 2014. The front hood upper lock components were not manufactured to specification and may fail to securely latch the vehicle's hood during operation.
- Risk
- A failure of the hood latching mechanism may cause the hood to suddenly open during vehicle operation and will severely impede the driver's ability to see out the front windshield, increasing the risk of a vehicle crash.
- Fix
- Porsche will notify owners, and dealers will replace the lock on the front hood, free of charge. The recall began December 12, 2014. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AE04.
Not every 2015 Porsche Boxster is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2015 Porsche Boxster buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
- Engine — 1 owner reports. Cold-start the engine, listen for knocking, and watch for warning lights or hesitation on acceleration.
- Suspension › Front › Wheel Bearing — 1 owner reports. Drive over bumps and listen for clunks; look for uneven tire wear.
- Suspension › Front — 1 owner reports. Drive over bumps and listen for clunks; look for uneven tire wear.
- Mileage to watch. Owners typically reported problems around 3,464 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2015 Porsche Boxster. Not a substitute for a professional inspection.
Other Boxster years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2020 Boxster | 24 | – | Not rated | 0 | 0 |
| 2019 Boxster | 25 | – | Not rated | 0 | 0 |
| 2018 Boxster | 25 | – | Not rated | 0 | 0 |
| 2017 Boxster | 25 | – | Not rated | 0 | 0 |
| 2016 Boxster | 25 | – | Not rated | 0 | 0 |
| 2014 Boxster | 25 | 172 in | Not rated | 3 | 2 |
| 2013 Boxster | 25 | 172 in | Not rated | 1 | 7 |
| 2012 Boxster | 23 | 170.9 in | Not rated | 1 | 1 |
| 2011 Boxster | 23 | 170.9 in | Not rated | 1 | 1 |
| 2010 Boxster | 24 | 170.9 in | Not rated | 0 | 0 |
| 2009 Boxster | 24 | 170.9 in | Not rated | 0 | 1 |
| 2008 Boxster | 23 | 170.9 in | Not rated | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Porsche. How we calculate this →