CadillacDeVille1986Overview/cadillac/deville/1986/base/

1986 Cadillac DeVille

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1986 DeVille.

Transmission Automatic 4-spd

Defined by a 4-speed automatic transmission and EPA fuel economy ratings of 15/24/18 mpg, the 1986 Cadillac DeVille requires 4.5 quarts of oil maintained with viscosities including 20W-20, 15W-40, or 10W-30. Reliability records for this specific model year document 26 total owner complaints and 3 recalls, with the top complaint area identified as Engine & Engine Cooling. This model year precedes the provided model complaint history covering 1990 to 2005, where later volumes reached as high as 306 complaints in 1997, marking the 1986 model with a comparatively lower count of recorded issues within the available dataset.

Model year200520042003200220012000199919981986

Quick specs

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

Engine oil capacity4.5 qtOEM · verified
Engine oil type20W-20 / 15W-40 / 10W-30OEM · verified
EPA fuel economy15/24/18 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses 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 Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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.

OE service part numbers OEM · verified

Engine oil filter12731179
Engine air filter25040929
Fuel filter25171792 discontinued
Spark plug19354416
Front wiper blades22155381
Serpentine belt03531941
Thermostat03539588 alt 03522676

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 24 / 18 mpg
DrivetrainFront-Wheel Drive
Passenger volume111 cu ft
Cargo volume16 cu ft
Recommended fuelRegular Gasoline

Performance & power Independent road tests

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

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

6.9–11.6 sec0–60 mph (tested)quickest 6.90 sec — 1995 Concours Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
1981d'Elegance Sedan 6.0L V811.60 sec18.40 sec145 hpRWD
1978Coupe 7.0L V810.60 sec18.20 sec195 hpRWD
1994Concours Sedan 4.6L V87.80 sec15.80 sec270 hpFWD
1994Sedan 4.9L V88.30 sec16.50 sec200 hpFWD
1995Concours Sedan 4.6L V86.90 sec15.20 sec300 hpFWD
1996Concours Sedan 4.6L V87.20 sec15.40 sec300 hpFWD

Service quick specs OEM factory data

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

This engine holds 4.5 qt of 20W-20 / 15W-40 / 10W-30 engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine Oil20W-20 · 15W-40 · 10W-30
Engine Oil Capacity4.5 qt

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 5,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 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 5,000 miEngine Oil Filter (replace)
At 7,500 miEngine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miAccessory Drive Belt (inspect) · Brake System (inspect) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect) · Parking Brake Cable (lubricate) · Shift Linkage (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miEGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Fuel Line (inspect) · Fuel Tank (inspect)
Every 100,000 miTransmission Fluid & Filter (replace)

Reliability & federal safety record

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

The 1986 Cadillac DeVille falls outside the provided federal complaint and recall dataset, which begins in 1990 for the subsequent generation, limiting direct year-to-year comparison. However, the data reveals a clear trend: complaints and recalls escalate significantly in the early-to-mid 1990s, peaking in 1997 with 306 complaints and remaining elevated through the late 1990s before gradually declining in the early 2000s. This suggests the 1986 model predates the period of highest reported issues, though without specific data, its reliability relative to later years cannot be quantified. The top complaint areas for 1986—engine cooling, brakes, and powertrain—align with common failure points in older luxury vehicles, though the raw numbers are modest compared to later spikes. Given the absence of fire-related complaints and only one crash-related report, the 1986 DeVille appears relatively stable within its era, but buyers should prioritize thorough mechanical inspection due to its age and the lack of granular federal data. **Takeaway: While not part of the worst complaint cycle, the 1986 DeVille is a high-risk purchase requiring meticulous pre-purchase evaluation.**

3
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
5
ODI investigations
Office of Defects Investigation
26
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 26 complaints on record, top 8 components.

Engine & Engine Cooling10
Service Brakes, Hydraulic3
Power Train3
Vehicle Speed Control2
Electrical System2
Fuel System, Gasoline2
Latches/Locks/Linkages1
Steering,Engine & Engine Cooling1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

06E043000Fuel System, GasolineReported 19/05/2006

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18… Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION…

87V093000Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited SlipReported 23/06/1987

THE ANTI LOCK BRAKE SYSTEM (ABS) PRESSURE/WARNING SWITCH MAY EXHIBIT BRAKE FLUID SEEPAGE WHICH EVENTUALLY CAN LEAD TO LOSS OF THE BRAKE SYSTEM HYDRAULIC PUMP MOTOR. ADDITIONALLY, THE HYDRAULIC PUMP MOTOR AND ABS… Remedy: THE ABS AND HYDRAULIC PUMP MOTOR ELECTRICAL RELAYS AND 30 AMP FUSES WILL BE REPLACED. IN ADDITION, THE HYDRAULIC PUMP MOTOR ASSEMBLY AND PRESSURE/WARNING SWITCH WILL BE INSPECTED…

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 DeVille. 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.

Reference guides

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

Frequently asked

How much oil does the 1986 DeVille take?

4.5 qt of ABOVE 40 degrees F: 30, ABOVE 20 degrees F: 20W-20, ABOVE 10 degrees F: 15W-40, ABOVE 0 degrees F: 10W-30,, per the factory manual.

Does the 1986 DeVille have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the DeVille get?

EPA figures are 15 city / 24 highway / 18 combined mpg.