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2008 Pontiac Grand Prix Recalls, Problems & Maintenance

The 2008 Pontiac Grand Prix has no open NHTSA recalls. Owners report 7 recurring issue clusters, led by “Reduced engine power warning with loss of acceleration.” Every Pontiac is now 15+ years old, which changes the maintenance question from 'what mileage?' to 'how old is it?' — hoses, belts, coolant, and brake fluid age out even on low-mile cars. The G6 uses GM's Oil Life System (change oil when the message appears, at most every 12 months) with Dex-Cool coolant and either the 2.4L Ecotec four or the 3.5/3.9L pushrod V6. Parts remain cheap and plentiful through GM's shared platforms — these cars are inexpensive to keep healthy if the age-based items aren't ignored.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2008 Pontiac Grand Prix.

Reported to NHTSA

Reduced engine power warning with loss of acceleration

VEHICLE SPEED CONTROL

10 NHTSA complaints · 2013-02 → 2020-05

“MY GRAND PRIX RECENTLY STARTED TO DISPLAY A MESSAGE STATING REDUCED ENGINE POWER. IT HAS BEEN HAPPENING RANDOMLY FOR THE PAST WEEK. IT ONLY HAPPENS AS I AM DRIVING THE CAR. THE CAR SLOWS DRAMATICALLY, AND DOES NOT ACCELERATE AT ALL”
— Owner report, NHTSA ODI #10759941
“DRIVING ON THE HIGHWAY OR ANYWHERE, IT HAPPENS EVERY OTHER DAY. THE INFORMATION MESSAGE CENTER CHIMES THEN THE CHECK ENGINE LIGHT COMES ON THE CAR SLOWS DOWN TO 25MPH. WHEN I AM ON THE HIGHWAY THIS IS VERY DANGEROUS”
— Owner report, NHTSA ODI #10730136
“TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 60 MPH, THE VEHICLE SPEED DECREASED TO 30 MPH. THE "REDUCED ENGINE" WARNING LIGHT ILLUMINATED”
— Owner report, NHTSA ODI #10822685

Read all complaints on NHTSA →

Transmission shudder and slipping on takeoff

POWER TRAIN

16 NHTSA complaints · 2011-01 → 2024-06

“AFTER COMING TO A COMPLETE STOP THEN ACCELERATING THE TRANSMISSION HAS A 'SHUDDER'. OCCURS A FEW TIMES A MONTH. NOTHING HAD BEEN DONE TO FIX THE PROBLEM. CAR ONLY HAS 36,300 MILES ON IT. ORIGINAL TRANSMISSION FLUID AS WELL”
— Owner report, NHTSA ODI #10383418
“2008 PONTIAC GRAND PRIX GXP. SLIPPING TRANSMISSION, STILL UNDER WARRANTY, DEALER SAYS CANNOT REPLICATE ISSUE. CAR VIBRATES HORRIBLY, SLIPS INTO EVERY GEAR”
— Owner report, NHTSA ODI #10389689
“LOUD CLUNK WHEN STARTING OFF. VEHICLE DID NOT SHIFT INTO GEARS AS NORMAL. TRANSMISSION ON THIS VEHICLE HAS BEEN ERRATIC FOR AT LEAST A YEAR”
— Owner report, NHTSA ODI #10617287

Read all complaints on NHTSA →

Power steering pump and hose failure

STEERING

6 NHTSA complaints · 2010-03 → 2015-12

“HAD THE POWER STEERING REPLACED 3 TIMES IN THE LAST 3 YEARS. TALKED TO OTHERS THAT HAVE THE SAME CAR THEY ALSO HAVE THE SAME PROBLEM WITH THE POWER STEERING UNIT LEAKING”
— Owner report, NHTSA ODI #10809539
“TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE STEERING WHEEL SEIZED AND EXCESSIVE FORCE ON THE STEERING WHEEL WAS REQUIRED”
— Owner report, NHTSA ODI #10672710
“WE HAVE HAD THE POWER STEERING PUMPED CHANGED 4 TIMES IN THE LAST 2 YEARS. 2012-2014”
— Owner report, NHTSA ODI #10644652

Read all complaints on NHTSA →

Low-beam headlight and HDM module/fuse box failure

EXTERIOR LIGHTING

25 NHTSA complaints · 2010-11 → 2026-02

“Low beam lights quit randomly, running lights did once too. This has happened multiple times so I switch to hi beams before I crash. This is a documented safety issue and recall should include my car”
— Owner report, NHTSA ODI #11718556
“LOW BEAM AND DRIVING LAMPS KEEP CUTTING OUT, STOP WORKING. SOMETIMES THEY WORK CORRECTLY THEN GO THROUGH A SERIES OF SHUT DOWNS. ESPECIALLY AT NIGHT I HAVE TO USE HI BEAMS TO GET OFF THE ROAD OR GET HOME”
— Owner report, NHTSA ODI #10787167
“TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. WHILE DRIVING APPROXIMATELY 45 MPH, THE CONTACT NOTICED SMOKE APPEARING FROM THE HOOD. THE CONTACT COASTED THE VEHICLE TO AN EMERGENCY LANE, OPENED THE HOOD, AND NOTICED THAT THE FUSE BOX IGNITED INTO FLAMES”
— Owner report, NHTSA ODI #10683200

Read all complaints on NHTSA →

Engine stall and no-start tied to ignition switch/module

ELECTRICAL SYSTEM

28 NHTSA complaints · 2010-11 → 2025-10

“THE CAR WILL DIE OUT IN PARK OR WHILE DRIVING IT. DIES OUT WAITING AT A RED LIGHT OR AT A STOP SIGN. IT ALSO STARTS WHEN IT WANTS TO START. THE ENGINE CRANKS OVER NORMALLY WHEN YOU ATTEMPT TO START THE CAR, BUT THE ENGINE DOES NOT START AT FIRST ATTEMPT”
— Owner report, NHTSA ODI #11092569
“IN JUNE 2014, THE ELECTRICAL SYSTEM SHUT DOWN ON MY CAR WITHOUT WARNING AT ONE OF THE BUSIEST INTERSECTIONS IN GREENVILLE, MS. AS A RESULT OF THE ELECTRICAL SYSTEM SHUTTING DOWN I WAS LEFT WITHOUT AIR, OPERATIVE WINDOW AND DOORS, NEITHER AN OPERATIVE HORN NOR EMERGENCY FLASHERS”
— Owner report, NHTSA ODI #10622178
“THE CAR HAS JUST DIED WHILE DRIVING, HAD TOWED TO 1 GARAGE (JULY 2014) AND THE COILS AND IGNITION MODULE WERE FRIED AND NEEDING REPLACED”
— Owner report, NHTSA ODI #10849986

Read all complaints on NHTSA →

Passenger air bag presence sensor malfunction

AIR BAGS

9 NHTSA complaints · 2009-01 → 2019-08

“ON CERTAIN OCCASIONS, THE FRONT PASSENGER AIR BAG SENSOR TURNS THE AIRBAG "OFF" EVEN THOUGH AN ADULT OF SUITABLE WEIGHT WHO IS PROPERLY SEATED IN THE SEAT IS PRESENT. THE PROBLEM IS USUALLY (BUT NOW ALWAYS) CORRECTED WHEN THE VEHICLE IS TURNED OFF AND RESTARTED”
— Owner report, NHTSA ODI #10253730
“I HAVE HAD MY CAR 2YRS NOW AND MY PASSENGER AIRBAG LIGHT STILL DOESN'T COME ON ALL TIME WHEN MY FIANCEE SITS ON MY FRONT PASSENGER SIDE OF MY CAR”
— Owner report, NHTSA ODI #10629265
“PASSENGER SEAT AIR BAG WEIGHT SENSOR CYCLES ON AND OFF WHEN PASSENGER OF APPROX 150 LBS. IS IN SEAT. HAD DEALER CHECK, SAID WOULD COST APPROX $900 TO REPAIR.AS CAR WAS OUT OF WARRANTY (4YR)”
— Owner report, NHTSA ODI #10429021

Read all complaints on NHTSA →

Frontal air bag non-deployment in crash

AIR BAGS

8 NHTSA complaints · 2014-03 → 2017-10

“MY FATHER-IN-LAW WAS DRIVING MY GRAND PRIX AND MY MOTHER-IN-LAW WAS IN THE PASSENGER SEAT. MY FATHER-IN-LAW LOST CONSCIOUSNESS AT THE WHEEL AND THEY WENT LEFT OF CENTER AND RAN ANOTHER VEHICLE OFF THE ROAD”
— Owner report, NHTSA ODI #10569277
“TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, ANOTHER VEHICLE CRASHED HEAD ON INTO THE VEHICLE AND THE DRIVER AND PASSENGER FRONTAL AIR BAGS FAILED TO DEPLOY CAUSING THE CONTACT FACE TO HIT THE STEERING WHEEL”
— Owner report, NHTSA ODI #10638078
“TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. WHILE DRIVING APPROXIMATELY 60 MPH ATTEMPTING TO AVOID CRASHING INTO A DEER, THE CONTACT TRIED TO REGAINED CONTROL BUT THE VEHICLE STALLED CAUSING THE POWER STEERING AND BRAKES TO MALFUNCTION”
— Owner report, NHTSA ODI #10639042

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter (Oil Life System)

Every 5,000 mi

Change when the Oil Life System calls it, and at least every 12 months. On engines this age, many mechanics suggest a practical 5,000-mile ceiling — aging seals and PCV systems contaminate oil faster.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate every 7,500 miles. Check tire date codes too — sidewall age (6+ years) retires tires on old cars before tread wear does.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect pads, rotors, and especially brake hoses and hard lines at every service — line corrosion is a real failure mode on 15-year-old northern cars.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 24,000 mi

Replace every 2 years. Decade-old fluid is the hidden cause of soft pedals and seized calipers on aging GM sedans.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Automatic Transmission Fluid (4T45-E / 4T65-E)

Every 45,000 mi

Drain-and-fill every 45,000 miles with Dexron VI. On high-mile units that have never been serviced, prefer repeated drain-and-fills over a pressure flush.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 100,000 mi

Iridium plugs at 100,000 miles on the G6's engines. Replace wires/boots on the pushrod V6 at the same time — they're brittle at this age.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Serpentine Belt & Tensioner

Every 60,000 mi

At this age, replace the belt AND tensioner as a pair on any evidence of cracking or noise — a weak tensioner eats new belts.

Estimated cost — typical U.S. ranges

Dealer

~$195–$235

Shop

~$135–$165

DIY

~$20–$50

DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.

Engine Air Filter

Every 30,000 mi

Replace every 30,000 miles — a cheap, 5-minute job on the G6.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Coolant Replacement (Dex-Cool)

Every 100,000 mi

Dex-Cool is rated 5 years / 150,000 miles — but on cars this old the interval is effectively 'every 5 years.' Check for intake and water-pump seepage while it's drained; use Dex-Cool only, never mixed with green coolant.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Battery & Charging System Test

Every 25,000 mi

Test the battery and alternator annually. Parasitic drains from aging body modules are common on this era of GM — a healthy battery masks them until it doesn't.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

114 crashes 1990–2024

How the 114 occupant deaths break down

77

driver deaths

37

passenger deaths

114

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2007 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

9

complaints mentioning a crash

3

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2008 Pontiac Grand Prix reflects Pontiac's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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