2006 Pontiac Grand Prix Pontiac Grand Prix 2006

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2006 Pontiac Grand Prix repairs by problem area

Engine (46%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (9%)

Suspension and Steering (23%)

Electrical and Air Conditioning (6%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (0%)

Chart based on 35 repairs.
See TSBs and recalls for the 2006 Pontiac Grand Prix.

2006 Pontiac Grand Prix engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (13%)

$100 - $499 (63%)

< $100 (25%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Pontiac Grand Prix

Engine not specified

111000 mi

US $460
Bad cat converter. It was replaced 
71000 mi

US $230
water pump leak 

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2006 Pontiac Grand Prix 4dr Sedan

supercharged 260hp 3.8L V6 4-speed automatic FWD

69500 mi

US $360
Water pump was leaking 
85000 mi

US $500
Oil leak from valve cover gaskets 
97000 mi

US $400
replace heater core 
31643 mi Problem: Check Engine Light On Intermittently. Cause: Input Speed Sensor. Solution: Replaced Sensor. (Under Warranty) 

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2006 Pontiac Grand Prix 4dr Sedan

303-horsepower 5.3L V8 4-speed shiftable automatic FWD

155000 mi

US $200
Radiator side tank cracked. Replaced radiator. 

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2006 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

111000 mi

US $200
car would hesitate when trying to use passing speed 
121000 mi

US $600
Dexcool decomposed into a thick, mud like fluid. Needed radiator flushed, new heater core, and replaced water pump. 
5100 mi Serpentine belt chirp/squeak/squeal. Lubed belt under warranty. 
9000 mi Serpentine belt chirp/squeak/squeal. Cleaned belt and all pulleys due to glazing, replaced belt tensioner under warranty. 
225000 mi

US $15
Extended warm-up. CEL showed, code stated coolant temp lower than expected. Replaced thermostat, engine warms up as it should, no CEL repeats. 
149000 mi

US $200
Water pump seal beginning to seep. Noticed when performing oil change. Replaced water pump, accessory drive belt and thermostat. 
190700 mi

US $240
Replaced catalytic converter due to foul exhaust odor. Engine uses about a quart of oil between oil changes. 
200000 mi

US $175
Plastic coolant elbow leaking coolant down pulley end of engine due to age/fatigue. Replaced with aluminum elbow. Replace intake and exhaust crossover gaskets also. 
206000 mi

US $100
Coolant seepage from timing gear cover gasket. Replaced timing gear cover gasket, oil and filter. 

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See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models.

2006 Pontiac Grand Prix Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 Pontiac Grand Prix problems occur, check out our car reliability stats.