JeepGrand Wagoneer1985Overview/jeep/grand-wagoneer/1985/base/

1985 Jeep Grand Wagoneer

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1985 Grand Wagoneer.

The 1985 Jeep Grand Wagoneer is the model-year entry in Jeep’s Wagoneer line, and its routine engine service calls for 4 quarts of oil with the filter, using 20W-40, 20W-50, or 10W-30 API viscosity grades. Reliability records for this year are light: six owner complaints on file, with seat belts flagged as the top complaint area and one recall reported. Against the broader 1990–2026 complaint history, which ranges from a high of 55 complaints in 2022 to a low of one in 1991, the 1985 model sits near the lower-complaint end, indicating comparatively few reported issues for this year.

Model year202520242023202219931991199019891985

Quick specs

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

Engine oil capacity4 qt w/ filterOEM · verified
Engine oil type20W-40 / 20W-50 / 10W-30 APIOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length186.6 in
Overall width74.8 in
Overall height66.5 in
Wheelbase108.7 in
Curb weight4228 lb

Performance & power Independent road tests

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

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

13.3 sec0–60 mph (tested)quickest 13.30 sec — 1990 5-door
YearTrim / engine0–60¼ mileHPDrivetrain
19905-door 5.9L V813.30 sec19.20 sec144 hp4x4

Service quick specs OEM factory data

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

This engine holds 4 qt w/ filter of 20W-40 / 20W-50 / 10W-30 API engine oil, Front: 75W- in the differential.

Lubricants & capacities

Differential Gear OilFront: 75W-
Differential Gear Oil Capacity2.5 Pints
Differential Gear OilFront: 75W-
Differential Gear Oil Capacity4.8 Pints
Engine CoolantETHYLENE GLYCOL
Engine Oil20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30
Engine Oil Capacity4 qt w/ filter
Engine Oil20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30

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; coolant every 22,500 mi. The big-interval services (every 22,500 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.

At 5,000 miCarburetor Mounting Fasteners (inspect)
Every 5,000 miCarburetor Mounting Fasteners (inspect) · Universal Vehicle Operation (inspect idle speed)
Every 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 22,500 miEngine Coolant System (drain, flush & refill)
Every 30,000 miAir Cleaner Manifold Heat Control Actuator (inspect) · Bands (adjust) · Body Fasteners (torque) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Choke System (inspect)
Every 52,500 miDistributor Cap (inspect) · Distributor Rotor (inspect) · Emission Control System (inspect) · Fuel Evaporative Canister Filter (replace) · Fuel Tank Filler Cap (inspect) · Oxygen Sensor (replace)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

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 supplied federal‑record data begins in 1990 and contains no entries for 1985, so there are no complaint, recall, investigation, or TSB figures to compare for the target year. Consequently, we cannot place 1985 within a year‑by‑year trend or determine how its reliability relates to the surrounding model years. The earliest available year (1990) shows very low complaint and recall counts, with a notable increase beginning in 1993, but this pattern does not directly inform the 1985 model. Because the data set does not specify any root causes for the later years, we cannot infer similar issues for 1985 without additional information. Therefore, based solely on the provided JSON, there is insufficient evidence to judge whether the 1985 Jeep Grand Wagoneer is a good year to buy.

1
Open recalls
NHTSA campaigns
2
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
6
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 6 complaints on record, top 5 components.

Seat Belts2
Exterior Lighting1
Steering1
Vehicle Speed Control1
Service Brakes, Hydraulic1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

87V178000Visibility:Glass, Side/RearReported 23/11/1987

THE KEY OPERATED TAILGATE WINDOW WILL CONTINUE TO CLOSE IF THE SPRING LOADED KEY DOES NOT RETURN TO OFF POSITION WHEN RELEASED. Remedy: OWNERS SHOULD NOT LEAVE KEY IN TAILGATE OF UNATTENDED VEHICLE. REPAIR MECHANISM TO ASSURE PROPER KEY RETURN OPERATION.

Technical service bulletins NHTSA · verified

Showing 2 of 2 bulletins on record with NHTSA.

BulletinDateComponentSummary
RCL/6231995-05-01Electrical SystemUNKNOWN
RCL/6221995-05-01Electrical SystemUNKNOWN

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 Grand Wagoneer. 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 1985 Grand Wagoneer take?

4 qt w/ filter of ABOVE 30 degrees F: 20W-40 OR 20W-50 API, ABOVE 0 degrees F: 10W-30 OR 10W-40 API, BELOW 60 degrees F: 5W-30 API, per the factory manual.

Does the 1985 Grand Wagoneer have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.