What engine does a 1991 Acura Legend have?
The 1991 Acura Legend is powered by a 2.7-liter V6 engine, commonly designated as the C27A, producing around 170 horsepower.
In more detail, this generation of the Legend relied on Honda’s 2.7-liter V6 powerplant for the North American market. It features a dual overhead camshaft (DOHC) design with 24 valves and was paired with either a 4-speed automatic or a 5-speed manual transmission depending on trim. While the US lineup largely used the 2.7-liter engine, some international Legend variants employed a smaller 2.5-liter V6 (C25A) in certain years or markets. Engine codes and tuning can vary by model year, emission standards, and market specifications.
Engine specifications
Key technical specifics commonly associated with the 1991 Legend’s engine are listed below:
- Displacement: 2.7 liters
- Engine code: C27A
- Configuration: V6, DOHC, 24 valves
- Power: around 170 horsepower
- Torque: around 162 lb-ft
Note: Exact figures can vary slightly by trim level, market, and emission controls.
Market variations
While the 2.7-liter V6 was standard in the US, overseas Legend variants sometimes used a 2.5-liter V6 (C25A) in other years or regions. Verifying the engine code via the engine itself or vehicle documentation is the best way to confirm the exact specification for a specific car.
- 2.7L V6 (C27A) — common in US/Canada 1991 Legend models
- 2.5L V6 (C25A) — used in some overseas variants or earlier Legend configurations
For buyers and restorers, confirming the engine code and displacement is essential for parts compatibility and maintenance planning.
Summary
The 1991 Acura Legend’s standard engine was a 2.7-liter V6 (C27A) delivering about 170 hp, with some international variants offering a 2.5-liter V6 (C25A) in other markets. Always check the engine code on the engine or VIN to verify the exact specification for a given vehicle.
