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Research · Two Seaters

2008 Porsche BoxsterRecalls, problems, MPG & safety

NHTSA lists 0 safety recalls and 1 owner complaint for the 2008 Porsche Boxster. Most complaints involve engine and engine cooling (1). The EPA rates it 21–23 mpg combined.

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Combined MPG
21–23mpg
EPA · 5 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
1
Top: engine and engine cooling
Fuel cost / yr
$3,450est.
EPA estimate, best version
01 —Recalls

Safety recalls

NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2008 Porsche Boxster as of Oct 30, 2026.
Data from NHTSA Recalls API · synced Oct 30, 2026NHTSA vehicle page
02 —Complaints

Owner complaints by component

1 complaints filed with NHTSA · Aug 2011 – Aug 2011
  1. Engine and engine cooling1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each Boxster model year we’ve synced.

View as table
Model yearNHTSA complaints
199722
199832
199928
20005
200113
200211
200319
20044
200519
20065
20072
20081
20093
20102
20112
20121
201310
20142
20153
Crashes reported
0
Fires reported
0
Injuries reported
0
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Engine and engine cooling

1 report
“ENGINE FAILURE WITH CAUSE DETERMINED TO BE CONNECTING ROD BOLT FAILURE, SUBSEQUENTLY LEADING TO DAMAGE TO NEARLY ALL INTERNAL ENGINE COMPONENTS”
Owner complaint to NHTSAFiled Aug 22, 2011Engine and engine coolingODI 10422028
Send a problem to a mechanic on findmechanic.ai
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
04 —Key specs

Engines, transmissions & drive

5 versions rated by the EPA
EPA class
Two Seaters
Engines
2.7L 6-cyl · 3.4L 6-cyl
Transmissions
Manual 5-spd · Manual 6-spd · Automatic 5-spd
Drive
Rear-Wheel Drive
Fuel
Premium Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Oct 30, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
Boxster
Man 5-spd, 6 cyl, 2.7 L · Rear-Wheel Drive
202923$3,450386
Boxster
Man 6-spd, 6 cyl, 2.7 L · Rear-Wheel Drive
192822$3,600404
Boxster
Auto 5-spd, 6 cyl, 2.7 L · Rear-Wheel Drive
192621$3,800423
Boxster S
Auto 5-spd, 6 cyl, 3.4 L · Rear-Wheel Drive
182521$3,800423
Boxster S
Man 6-spd, 6 cyl, 3.4 L · Rear-Wheel Drive
182621$3,800423
  • Boxster
    Man 5-spd, 6 cyl, 2.7 L
    20 city · 29 hwy · $3,450/yr
    23
    mpg comb.
  • Boxster
    Man 6-spd, 6 cyl, 2.7 L
    19 city · 28 hwy · $3,600/yr
    22
    mpg comb.
  • Boxster
    Auto 5-spd, 6 cyl, 2.7 L
    19 city · 26 hwy · $3,800/yr
    21
    mpg comb.
  • Boxster S
    Auto 5-spd, 6 cyl, 3.4 L
    18 city · 25 hwy · $3,800/yr
    21
    mpg comb.
  • Boxster S
    Man 6-spd, 6 cyl, 3.4 L
    18 city · 26 hwy · $3,800/yr
    21
    mpg comb.
Estimate your fuel costCost of ownership
Data from EPA fueleconomy.gov · synced Oct 30, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2008 Porsche Boxster as of Oct 30, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 30, 2026Vehicle 2684
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2008 Boxster questions

How many recalls does the 2008 Porsche Boxster have?

0 recalls found in NHTSA data as of Oct 30, 2026.

What are the most common 2008 Porsche Boxster problems?

Owners filed 1 complaints with NHTSA. The most-cited components are engine and engine cooling (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2008 Porsche Boxster get?

The EPA rates the 2008 Porsche Boxster at 21–23 mpg combined, depending on engine and drivetrain (5 versions rated).

Data from NHTSA & EPA · synced Oct 30, 2026