The 1991 Prelude is typically equipped with a 2.0-liter inline-four engine known as the B20A. This was the standard powerplant for most markets that year, with only limited regional variations.
The 1991 Prelude belongs to Honda’s third-generation lineup (1988–1991). The B20A 2.0-liter engine was the core powertrain for this generation’s Prelude, offering a balance of reliability and performance characteristic of late-1980s Hondas. Unlike some later Prelude models, this generation did not feature Honda’s VTEC technology. To confirm the exact engine in a specific car, check the engine code on the block (B20A) and review the vehicle’s documentation.
What this means for owners and restorers
For owners or restorers, the B20A engine family remains the most relevant reference point when sourcing parts or performing maintenance on a 1991 Prelude. Parts compatibility exists within the broader B-series family, but exact fitment is tied to the B20A designation. Routine maintenance—such as timing components, coolant systems, and rubber hoses—remains essential given the car’s age. Always verify the particular engine code and VIN to ensure you’re working with the correct configuration for your vehicle.
Summary
In short, the 1991 Honda Prelude is powered by the 2.0-liter B20A inline-four engine, the standard choice for most models in that year. While regional variations exist in some markets, the B20A is the defining engine for this model year. For precise identification, confirm the engine code on the block and consult official documentation or a trusted mechanic.
What year to avoid Honda Prelude?
Reliability on Fourth-gen Honda Prelude models is less impressive, however, with the most problems and concerns relating to 1992 models.
How much is a 91 Prelude worth?
The value of a used 1991 Honda Prelude ranges from $4,230 to $12,590, based on vehicle condition, mileage, and options.
Is the B18 a VTEC engine?
The B18s are arguably the most popular members of the B-Series family. The B18 came in both non-VTEC and VTEC variations.
What motor came in a 1991 Honda Prelude?
The third-generation Prelude was exclusively powered by the B20A engine family and production of the B20A engine family ended with the conclusion of the production of the third-generation Prelude in 1991.