Does a 2005 Honda Accord have VTEC?

Yes. In the U.S. market, every 2005 Honda Accord with a gasoline engine uses Honda’s Variable Valve Timing and Lift Electronic Control (VTEC) technology: the 2.4-liter four-cylinder features DOHC i‑VTEC, the 3.0-liter V6 uses SOHC VTEC, and the Accord Hybrid combines i‑VTEC with Variable Cylinder Management (VCM). Notably, diesel versions sold in some regions outside North America do not use VTEC. Here’s how that breaks down and what it means for owners.

What VTEC is—and why Honda used it in 2005

VTEC is Honda’s system that switches between different cam profiles to optimize valve lift and duration, enabling better efficiency at low rpm and stronger power at higher rpm. The “i” in i‑VTEC adds continuously variable cam phasing (VTC) for finer control of timing. In the 2005 Accord lineup, this technology balanced fuel economy with performance, a hallmark of Honda engineering in the mid-2000s.

The 2005 Accord powertrains and their VTEC systems

The following list outlines the primary 2005 Accord engines by model and the type of VTEC each uses, focusing on the U.S. lineup and noting key regional differences where applicable.

• 2.4L inline-4 (K24 series) — DOHC i‑VTEC; found in DX/LX/EX trims; rated around 160 hp in period specs.
• 3.0L V6 (J30 series) — SOHC VTEC; found in LX V6/EX V6 trims; rated around 240 hp in period specs.
• 3.0L V6 Hybrid — i‑VTEC with Variable Cylinder Management (VCM) and Integrated Motor Assist; system output around 255 hp in period specs.
• 2.2L i-CTDi diesel (select markets outside North America) — no VTEC; uses common-rail diesel with a variable-geometry turbo.

Taken together, all gasoline-powered 2005 Accords employ VTEC or i‑VTEC; only the diesel variant, offered in some regions outside the U.S., does not.

VTEC vs. i‑VTEC: the practical difference

On four-cylinder Accords, i‑VTEC blends cam profile switching with variable cam phasing for smoother torque and better efficiency across the rev range. On the V6, the SOHC VTEC setup primarily adjusts intake valve operation to enhance breathing at higher rpm. The Hybrid’s i‑VTEC works in concert with cylinder deactivation (VCM) and the electric motor to prioritize both efficiency and performance.

How to verify what your 2005 Accord has

If you’re unsure which engine—and which VTEC variation—your car has, use these quick checks to confirm.

• Engine cover/valve cover markings: Many 2.4L engines are labeled “i‑VTEC”; V6 covers typically read “VTEC.”
• Owner’s manual and door-jamb VIN label: The manual lists engine specs; the VIN and emissions label can confirm displacement.
• Trim clues: DX/LX/EX are usually 2.4L i‑VTEC; LX V6/EX V6 use the 3.0L VTEC; “Hybrid” badges indicate the i‑VTEC + VCM system.
• Service records or dealer lookup: A dealer can decode the VIN to the exact engine code (e.g., K24 or J30 series).

These steps will reliably identify your engine type and the specific VTEC implementation used in your Accord.

Regional notes and exceptions

Outside the U.S., the 2005 Accord family included additional powertrains and body styles. The 2.2-liter i-CTDi diesel, popular in Europe, lacks VTEC entirely. Equipment and badging can vary by market, so always check local documentation when assessing a non‑U.S. model.

Why it matters to owners

Knowing your Accord’s VTEC setup can guide maintenance (correct oil viscosity and change intervals are crucial for VTEC actuators and cam phasers) and help you understand performance characteristics. It also informs upgrade choices and resale descriptions.

Summary

All gasoline-powered 2005 Honda Accords use VTEC: the 2.4L four-cylinder has DOHC i‑VTEC, the 3.0L V6 employs SOHC VTEC, and the Hybrid adds VCM to i‑VTEC. Only the diesel variant offered in some regions does not feature VTEC.

What year accords have VTEC?

In 1994, VTEC debuted in the Accord family, with a SOHC system featured on the Accord EX Sedan, Coupe and Wagon.

Does the 2005 Accord have VTEC?

Along with excellent fuel efficiency, the combination of this Accord’s 3.0L i-VTEC V-6 engine with Variable Cylinder Management and Honda’s 3rd generation IMA system produces 255 horsepower (+6.3% over an Accord EX V-6) and 232 lb. -ft.

How much horsepower does a 2005 Honda Accord 2.4 VTEC have?

Honda Accord 2.4 i-VTEC Automatic, 190hp, 2005.

What engine does a 2005 Honda Accord LX have?

The 2005 Honda Accord LX is powered by a 2.4-liter, 4-cylinder K24A4 engine. This engine produces 177 horsepower and is equipped with i-VTEC, Honda’s variable valve timing and lift electronic control technology. It is mated to either a 5-speed manual or 5-speed automatic transmission.
 
This video shows the engine bay of a 2005 Honda Accord LX: 59sTheK24KyleYouTube · Jun 30, 2014
Key Features 

• Engine Type: 2.4-liter, 4-cylinder i-VTEC
• Engine Code: K24A4
• Horsepower: 177 hp
• Transmission Options: 5-speed manual or 5-speed automatic