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1988 Volkswagen Quantum

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1988 Quantum.

Transmission Automatic 3-spd

The 1988 Volkswagen Quantum, built on the compact platform that underpinned the brand’s entry‑level sedans, comes equipped with a three‑speed automatic transmission and a modest fuel economy of 16 mpg city/20 mpg highway, averaging 18 mpg overall. Its engine requires 3.2 quarts of oil, with the recommended viscosities ranging from 2W‑40 to 20W‑50, or 15W‑40 API SL, reflecting the engine’s moderate displacement and design focus on reliability rather than performance. In the broader context of the Quantum’s production run, the 1988 model year sits at the tail end of a stretch that, while not known for exceptional durability, maintained a respectable reliability record for a mid‑size sedan of its era, offering researchers a dependable baseline for comparative studies.

Model year1988 1987 1986 1985 1984 1983 1982

Quick specs

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

Engine oil capacity3.2 qtOEM · verified

Engine oil type2W-40 / 20W-50 / 15W-40 API SLOEM · verified

EPA fuel economy16/20/18 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 3-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	16 / 20 / 18 mpg
Drivetrain	Front-Wheel Drive
Passenger volume	91 cu ft
Cargo volume	13 cu ft
Recommended fuel	Regular Gasoline

Performance & power Independent road tests

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

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

9.6–12.6 sec0–60 mph (tested)quickest 9.60 sec — 1986 Syncro Wagon

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
1986	Syncro Wagon 2.2L I-5	9.60 sec	17.00 sec	110 hp	AWD
1983	GL5 Sedan 2.1L I-5	12.00 sec	18.40 sec	100 hp	FWD
1983	GL5 Sedan 2.1L I-5	12.60 sec	18.80 sec	100 hp	FWD

Service quick specs OEM factory data

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

This engine holds 3.2 qt of 2W-40 / 20W-50 / 15W-40 API SL engine oil, DOT 4 brake fluid.

Lubricants & capacities

Brake Fluid	DOT 4
Engine Coolant	ETHYLENE GLYCOL
Engine Oil	API · 2W-40 · 20W-50 · 15W-40 · 15W-50
Engine Oil Capacity	3.2 qt
Power Steering Fluid	ATF

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 7,500 mi; coolant every 7,500 mi. The big-interval services (every 7,500 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 7,500 mi	Clutch Assembly (inspect) · Engine Oil Filter (replace)
Every 7,500 mi	Engine Coolant System (leak inspection) · Engine Oil (drain & refill)
Every 15,000 mi	Axle Shaft Oil Seal (inspect) · Battery (inspect electrolyte level) · Brake System (inspect) · CV Joint Boot (inspect) · Clutch Assembly (inspect) · Door Stop (lubricate)
Every 30,000 mi	Accessory Drive Belt (inspect)
Every 60,000 mi	Fuel Filter (replace) · Oxygen Sensor (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.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

0 involved a crash · 0 a fire

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

Overall★★★★★

Frontal★★★★★

Side★★★★★

Rollover★★★★★

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

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

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 Quantum. 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.

Vehicles taking 3.2 qt

Reference guides

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

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

Frequently asked

How much oil does the 1988 Quantum take?

3.2 qt of 68 degrees F TO 104 degrees F 40 API SL OR GREATER, 32 degrees F TO 86 degrees F: 30 API SL OR GREATER, 14 degrees F TO 86 degrees F: 2W-40 OR 20W-50 API SL OR GREATER, 5 degrees F TO 86 degrees F 15W-40 OR 15W-50 API SL OR GREATER, -4 degrees F T, per the factory manual.

Does the 1988 Quantum have open recalls?

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

What gas mileage does the Quantum get?

EPA figures are 16 city / 20 highway / 18 combined mpg.