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2005 Pontiac Bonneville

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2005 Bonneville.

Body PASSENGER CAR

The 2005 Pontiac Bonneville is a passenger car whose engine calls for 4.5 quarts of 5W-30 API oil, and it enters the reference record as the final model year in a complaint history spanning 1990 through 2005. With just 27 owner complaints — centered primarily on air bags — and zero recalls, this model year posts the lowest complaint count of the entire Bonneville lineage, a sharp drop from the 1998 peak of 299. That trajectory suggests the platform's most persistent issues were largely addressed by the time production wound down, making the 2005 one of the more settled entries in the model's reliability record.

Model year2005 2004 2003 2002 2001 2000 1999 1998 1997

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.5 qtOEM · verified

Engine oil type5W-30 APIOEM · verified

Lug nut torque100 ft-lbsOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 100 · 770 CCA battery, OE oil filter 12731179. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 100 · 770 CCAOEM · verified

Tire sizeP225-60R16OEM · verified

OE service part numbers OEM · verified

Engine oil filter	12731179 alt 25322835
Engine air filter	19166106 alt 19259030
Fuel filter	25121293 discontinued
Spark plug	12571535 alt 12681664
Battery	88866305 alt 88864064
Front wiper blades	15214346
Serpentine belt	12588412 alt 12569505
Thermostat	12559807 alt 24505924
Cabin air filter	15811562

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length	202.8 in
Overall width	74.4 in
Overall height	56.7 in
Wheelbase	112.2 in
Curb weight	3790 lb
Track (front / rear)	62.6 / 62.2 in
Weight distribution (front / rear)	61/39

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Bonneville of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

6.9–7.9 sec0–60 mph (tested)quickest 6.90 sec — 2004 GXP Sedan

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2004	GXP Sedan 4.6L V8	6.90 sec	15.40 sec	275 hp	FWD
2004	GXP Sedan 4.6L V8	7.80 sec	16.00 sec	275 hp	FWD
2000	SSEi Sedan 3.8L Supercharger V6	7.50 sec	15.80 sec	240 hp	FWD
2000	SSEi Sedan 3.8L Supercharger V6	7.50 sec	15.80 sec	240 hp	FWD
2000	SSEi Sedan 3.8L Supercharger V6	7.90 sec	16.40 sec	240 hp	FWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.5 qt of 5W-30 API engine oil. Torque lug nuts to 100 ft-lbs, the oil drain plug to 15.0 ft-lbs. The firing order is 1-8-4-3-6-5-7-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission Fluid	ATF
Automatic Transmission Fluid Capacity	7.4
Engine Oil	5W-30 · API
Engine Oil Capacity	4.5 qt
Engine Oil	5W-30 · API
Engine Oil Capacity	7.5 qt

Engine torques

Intake Manifold to Engine Bolts	Lower: 11 ft-lbs, upper 7.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	22 ft-lbs
Intake Manifold to Engine Bolts	7.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	18 ft-lbs
Intake Manifold to Engine Bolts	7.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	18 ft-lbs
Engine Oil Pan Drain Plug	18.0 ft-lbs
Engine Oil Pan Drain Plug	15.0 ft-lbs

Chassis torques

Lug Nuts	100 ft-lbs
Front Wheel Hub	118 ft-lbs

Ignition

Cylinder Firing Order	1-6-5-4-3-2
Cylinder Firing Order	1-8-4-3-6-5-7-2
Ignition Coil Secondary Resistance	5
Spark Plug Manufacturer	AC Delco
Spark Plug Type	41-921
Spark Plug Gap	0.060 in
Spark Plug Torque	11.0 ft-lbs
Spark Plug Manufacturer	AC Delco

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	2.20 lbs
Oil Group	PAG
Oil Type	46
Oil Capacity	9.00 oz
Refrigerant	R134a
Refrigerant Capacity	2.20 lbs
Oil Group	PAG

Service checks

Pressure Test	15 psi
Radiator Cap Pressure Relief	15 psi
Thermostat Opening Temperature	188-206 °F
Pressure Test	15, Pressure should not exceed 20 psi.
Radiator Cap Pressure Relief	15 psi
Thermostat Opening Temperature	188-206 °F
Key ON Engine OFF (KOEO)	55-60
Key ON Engine OFF (KOEO)	41-47

Brakes

Brake Application	WITH RPO L36 / WITH RPO LD8
Torque Caliper to Bracket	63 ft-lbs / 25 ft-lbs / 20 ft-lbs
Torque to Knuckle	137 ft-lbs / 111 ft-lbs / 94 ft-lbs
Minimum Pad Thickness	Front: 0.030; Rear: 0.030 specification
Brake Application	WITH RPO L36 / WITH RPO LD8
Rotor Max Parallel Variation	0.001 in
Rotor Runout Limit	0.002 in
Rotor Nominal Thickness From	1.267 in / 0.433 in

Multi-step torque procedures OEM · verified

Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages

111 ft. lbs., step 2: 76

111 ft. lbs

Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages

37 ft. lbs., step 2: 120

37 ft. lbs

Cylinder Head — tightening sequence 2 stages

1	37 ft. lbs.	37 ft. lbs
2	120

Cylinder Head — tightening sequence 4 stages

Prep M11 bolts

1	22 ft. lbs.	22 ft. lbs
2	60 degrees	60 degrees
3	60 degrees	60 degrees
4	60 degrees; M6 bolts	60 degrees
1	8.9 ft. lbs.; Do not reuse 11 mm bolts. Ensure new bolts are the same thread pitch as original bolts to prevent engine damage. 1.5 mm bolt thread pitch has a thread length of 1.89 inches (48 mm). 2.0 mm bolt thread pitch has a thread length of 2.638 inches (67 mm).	8.9 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 100,000 mi; coolant at 150,000 mi. The big-interval services (at 150,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 mi	Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 mi	Throttle Body (inspect) · Throttle Plate (inspect)
Every 45,000 mi	Engine Air Filter Element (replace)
Every 100,000 mi	Spark Plug Wires (inspect) · Spark Plugs (replace) · Transmission Fluid & Filter (replace)
At 150,000 mi	Accessory Drive Belt (inspect) · Engine Coolant System (drain, flush & refill)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Across the Pontiac Bonneville's generation, federal complaints peaked in the late 1990s—reaching a high of 299 in 1998—before demonstrating a steep downward trajectory into the 2000s, ultimately dropping to just 27 in the 2005 target year. Similarly, recalls and investigations, which fluctuated heavily in earlier years (such as 4 recalls and 4 investigations in 1999), dropped to zero for both 2004 and 2005. Sitting at the very end of the generational lifecycle, the 2005 model reflects significant engineering maturity, evidenced by its minimal complaint volume alongside the generation's highest count of 495 Technical Service Bulletins. For the 2005 model specifically, the 27 complaints primarily cluster around the airbags (6) and steering (5), alongside 2 crash and 1 fire complaint, though the data does not specify root causes. As the most refined year in the generation's federal record with zero recalls and the lowest complaint volume, the 2005 Bonneville represents a solid, low-risk used purchase within this model's lineage.

Open recalls

NHTSA campaigns

495

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

2 involved a crash · 1 a fire

NHTSA crash-test rating federal NCAP · out of 5 stars

Rollover★★★★★

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91 ’92 ’94 ’95 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 ’04’05

Owner complaints filed with NHTSA, by component

All 27 complaints on record, top 8 components.

Air Bags6

Steering5

Electrical System,Air Bags4

Electrical System2

Unknown Or Other1

Electrical System,Unknown Or Other,Engine1

Electrical System,Engine1

Engine1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 495 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
PIP5601C	2025-07-18	Unknown Or Other	This PI communicates the requirement to provide a pico file to receive diagnostic…
PIT5074R	2025-05-30	Unknown Or Other	This Preliminary Information communication provides information to the technician about…
PIT5074R	2025-05-30	Unknown Or Other	This Preliminary Information communication provides information to the technician about…
PIT5074R	2025-05-30	Unknown Or Other	This Preliminary Information communication provides information to the technician about…
23-NA-001	2025-03-28	Electrical System	This service bulletin provides information for dealers/technicians on OnStar Module 2G…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific Bonneville. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Group 100 battery Vehicles taking 4.5 qt Engine oil filter 12731179 Engine air filter 19166106 Fuel filter 25121293 Spark plug 12571535

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Torque specifications Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 2005 Bonneville take?

4.5 qt of 5W-30 API, per the factory manual.

Does the 2005 Bonneville have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.