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What motor is in a 1990 Acura Integra?

The 1990 Acura Integra was powered by a 1.8-liter inline four-cylinder engine. This engine, known as the B18A1, was a key component of the Integra's sporty and responsive driving dynamics.


Detailed Specifications of the B18A1 Engine


The B18A1 engine in the 1990 Acura Integra had the following key specifications:



  • Displacement: 1,797 cc (1.8 liters)

  • Cylinder configuration: Inline four-cylinder

  • Valvetrain: Dual overhead camshafts (DOHC), 16 valves

  • Compression ratio: 9.2:1

  • Horsepower: 130 hp @ 6,600 rpm

  • Torque: 118 lb-ft @ 5,400 rpm


This engine was known for its high-revving nature and impressive power output for its displacement, which helped the Integra deliver a thrilling driving experience.


Integra's Sporty Driving Dynamics


The B18A1 engine, combined with the Integra's lightweight chassis and well-tuned suspension, gave the car nimble handling and responsive acceleration. This made the Integra a popular choice among enthusiast drivers who appreciated the car's engaging driving dynamics.


The Integra's engine and overall design were a key part of what made it one of the most beloved sport compact cars of its era, known for its balance of performance, practicality, and affordability.

What engine does a 1990 Acura Integra have?


1.8-liter four-cylinder
Marrying an automatic to this 1.8-liter four-cylinder wasn't an easy trick, because the engine has a late-peaking torque curve that rises to its maximum at 5000 rpm. Low-speed performance is about what you expect of an 1834-cc unit.



What year was the best Integra?


What year was the best Integra? Car enthusiasts see the 1997 Acura Integra Type R as one of the best sports cars in history because it represented a shift in Acura's thinking of moving away from the luxury market and focusing on fast, sporty cars.



What is the engine code for the 1990 Integra?


1990 Acura INTEGRA (1.8L 4 -cyl Engine Code B18A1 4) Motor Oil, Filters and Lubricants - AMSOIL.



What cars came with a B20B?


The B20B found in the US-spec CR-V was seen in the 1997-up models, sporting 126 hp and 133 ft-lbs of torque. The B20B was also seen in Japan from 1995–1998, but it was similar to the USA-spec B20B.



How much is a 1990 Acura Integra worth?


How much is a 1990 Acura Integra worth? The value of a used 1990 Acura Integra ranges from $1,412 to $8,973, based on vehicle condition, mileage, and options. Get a free appraisal here.



Which Integra has a b18?


Integra Type R
1997: Integra Type R introduced to the U.S. for the first time, with hand-built 195-horsepower 1.8-liter DOHC VTEC® engine (B18C), helical limited-slip differential, upgraded suspension and brakes, 93-pound weight reduction (-33 lbs.



Which Integra came with VTEC?


Second Generation Integra: 1990–1993
GS-R performance variant introduced with an all-new 160-hp 1.7-liter VTEC® inline 4-cylinder engine (B17), the second Acura model to feature VTEC – following NSX. Standard engine output also increased to 140 hp @ 6300 rpm and 126 lb-ft @ 5000 rpm.



What transmission is in a 1990 Acura Integra?


Acura Integra Timeline and Milestones

Second Generation1990-1993
EngineIntegra LS and GS 1.8-liter DOHC 16-valve inline 4-cylinder 140 hp 126 lb.-ft. Integra GS-R 1.7-liter DOHC VTEC® 16-valve inline 4-cylinder 160 hp 117 lb.-ft.
Transmission5-speed manual or 4-speed automatic (LS and GS) 5-speed manual (GS-R)



Did the Integra have a K20?


The Integra came in two models in the United States, the RSX and the RSX Type-S boasting the K20A2 engine from 2002 to 2004, while the 2005 and 2006 RSX-S came with a K20Z1.



Is a 1990 Acura Integra a good car?


Totally reliable and is sporty.
This 1990 car is sleek, peppy, reliable and the interior design still looks up to date. Rating breakdown (out of 5): Comfort 5.0. Interior 5.0.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.