1985-1988 Volkswagen Quantum 2.2L

Overview

The Volkswagen Quantum, known in European markets as the Passat B2, represented the brand’s mid-size offering during the 1980s. Positioned above the Jetta and Golf, the Quantum was engineered to provide a more refined, spacious experience for families and professionals. It was built on the B2 platform, which utilized a longitudinal engine layout, a departure from the transverse configuration found in Volkswagen’s smaller front-wheel-drive models of the era. The vehicle was available in sedan, wagon, and hatchback body styles, though the North American market focused heavily on the sedan and the versatile “Syncro” wagon.

The 2.2-liter five-cylinder engine became a hallmark of the later years of this generation, specifically from 1985 to 1988. This powerplant provided a smoother power delivery and a distinct acoustic character compared to the four-cylinder engines common in the segment. By utilizing a sophisticated fuel injection system, Volkswagen aimed to balance performance with the efficiency requirements of the mid-1980s. The Quantum was primarily manufactured in Emden, Germany, maintaining the build quality standards associated with German production during that period.

Marketed as a premium alternative to domestic mid-size sedans, the Quantum struggled to gain significant traction against established Japanese and American competitors. Despite this, it earned a reputation for its excellent interior ergonomics, high-quality materials, and composed road manners. The model was eventually phased out in the United States as Volkswagen shifted its focus toward the Passat B3, which returned to a transverse engine layout to maximize interior space and manufacturing efficiency.

Vehicle Overview
Brand	Volkswagen
Model	Quantum
Model Year	1985-1988
Generation	B2
Trim	GL / GL-5
Body Style	Sedan / Wagon
Vehicle Segment	Mid-size
Vehicle Class	Compact Cars
Market	USA
Platform	B2
Assembly Plant	Emden, Germany
Country of Origin	Germany
Production Start	1981
Production End	1988
VIN Identifier	–
Base MSRP	$14,000 – $16,000
Destination Charge	–
Total MSRP	–
Powertrain
Powertrain Type	Internal Combustion Engine
Engine Family	VW EA828
Engine Name	–
Engine Code	KX / JT
Engine Configuration	Inline-5
Displacement	2.2 Liters
Bore x Stroke	81.0 mm x 86.4 mm
Compression Ratio	8.5:1
Aspiration	Naturally Aspirated
Fuel Delivery	Bosch KE-Jetronic
Valve Train	SOHC, 2 valves per cylinder
Engine Block Material	Cast Iron
Cylinder Head Material	Aluminum Alloy
Oil Capacity	4.8 Quarts
Oil Specification / Viscosity	10W-40
Horsepower	110 hp @ 5500 rpm
Torque	122 lb-ft @ 3000 rpm
Redline	6200 rpm
Drivetrain	Front-Wheel Drive
Transmission	Manual 5-spd
Final Drive Ratio	–
Axle Ratio	–
Fuel Economy
Fuel Type	Regular Gasoline
Recommended Octane	87
EPA City MPG	17
EPA Highway MPG	22
EPA Combined MPG	19
Fuel Economy (L/100 km)	–
Fuel Tank Capacity (gal)	15.8
Estimated Driving Range	300-350 miles
Annual Fuel Cost	–
CO₂ Emissions	–
Greenhouse Gas Score	–
Smog Rating	–
Performance
0-30 mph	–
0-60 mph	10.5 seconds
0-100 mph	–
Quarter Mile	–
Top Speed	115 mph
Braking Distance (60-0 mph)	–
Lateral Acceleration	–
Power-to-Weight Ratio	–
Dimensions & Capacities
Length (in)	178.0
Width (Without Mirrors) (in)	66.5
Width (With Mirrors) (in)	–
Height (in)	54.3
Wheelbase (in)	100.4
Front Track (in)	55.5
Rear Track (in)	55.1
Ground Clearance (in)	–
Curb Weight (lbs)	2650
GVWR (lbs)	–
Towing Capacity (lbs)	–
Payload Capacity (lbs)	–
Passenger Volume (cu ft)	–
Cargo Volume (Behind Rear Seats) (cu ft)	–
Cargo Volume (Max) (cu ft)	–
Turning Circle	34.5 ft
Approach Angle	–
Departure Angle	–
Breakover Angle	–
Safety Ratings
NHTSA Overall Rating	–
NHTSA Frontal Crash	–
NHTSA Side Crash	–
NHTSA Rollover	–
IIHS Award	–
Small Overlap Front	–
Moderate Overlap Front	–
Side Impact	–
Headlights Rating	–
Front Crash Prevention	–
Technology & Connectivity
Infotainment Display	None
Instrument Cluster	Analog
Apple CarPlay	No
Android Auto	No
Navigation System	No
Audio System	AM/FM Cassette
Speaker Count	4
Wireless Charging	No
Wi-Fi Hotspot	No
OTA Updates	No
Digital Key	No
Warranty & Ownership
Basic Warranty	24 months / 24,000 miles
Powertrain Warranty	–
Corrosion Warranty	–
Roadside Assistance	–
Complimentary Maintenance	–
Specs.Autos Exclusive Data
Engine Assembly Plant	Salzgitter, Germany
Transmission Supplier	Volkswagen
Gear Ratios	–
Differential Type	Open
Cooling System Capacity	–
Roof Load Capacity (lbs)	–
Safety Recall Count	–
Production Volume	–
Units Sold in USA	–

## Consumer Insights & Market Appeal
The 1985-1988 Volkswagen Quantum 2.2L is regarded today as a niche classic, appealing primarily to enthusiasts of 1980s German engineering. Reliability is generally solid regarding the five-cylinder engine, which is known for its durability, though the Bosch KE-Jetronic fuel injection system can become temperamental with age, often requiring specialized knowledge to calibrate correctly. Prospective buyers should prioritize checking for vacuum leaks, cooling system integrity, and potential rust in the floor pans and wheel arches. While parts availability for specific trim pieces can be challenging, the mechanical components share commonality with other contemporary Audi and Volkswagen models, making maintenance manageable for the dedicated owner. In the current market, the Quantum is valued for its unique driving dynamics and understated styling, serving as a practical, character-filled alternative to more common vintage sedans.