The 2010 Honda Accord offered two engine options in the U.S.: a 2.4-liter inline-4 and a 3.5-liter V6, both using Honda’s i-VTEC technology. The four-cylinder emphasized efficiency, while the six-cylinder delivered stronger performance.
Engine options and overall approach
In 2010, buyers could choose between a practical 2.4-liter four-cylinder and a more powerful 3.5-liter V6. Both powerplants relied on Honda’s i-VTEC system to optimize valve timing, improving efficiency and response across the rev range. The choice defined the Accord’s character—balanced daily usability with a more spirited driving experience on the V6.
2.4-liter inline-4 engine (K-series)
The base engine is a 2.4-liter inline-4 from Honda’s K-series family, configured for smooth operation and reliability. It uses i-VTEC to adjust valve timing for better low-end torque and high-end power, depending on the model and conditions.
Key specifications for the 2.4L engine include:
- Displacement: 2.4 liters
- Configuration: inline-4
- Valvetrain: i-VTEC
- Power: roughly 177 horsepower (varies slightly by trim/market)
- Torque: around 160 lb-ft
- Common transmissions: 5-speed manual or 5-speed automatic
In practice, the 2.4L engine aimed to deliver dependable daily performance with solid fuel efficiency, making it the preferred choice for most consumers focused on value and economy.
3.5-liter V6 engine (J-series)
The premium option is a 3.5-liter V6 from Honda’s J-series, also outfitted with i-VTEC. This engine is tuned for stronger acceleration and smoother highway cruising, catering to buyers who want more confident passing power and refined highway ride.
Key specifications for the 3.5L engine include:
- Displacement: 3.5 liters
- Configuration: V6
- Valvetrain: i-VTEC
- Power: typically around 268–271 horsepower
- Torque: about 254 lb-ft
- Common transmissions: primarily a 5-speed automatic (manual options were limited to certain trims or markets)
Overall, the V6 option trades some fuel efficiency for a more engaging driving experience, with noticeably quicker acceleration and a smoother feel at higher speeds.
Bottom line
For the 2010 Honda Accord, two engine choices defined the lineup: a 2.4-liter inline-4 (K-series) for everyday efficiency and a 3.5-liter V6 (J-series) for stronger performance. Both engines utilized Honda’s i-VTEC technology, reflecting the brand’s emphasis on reliability, smooth operation, and a balance between economy and power depending on the buyer’s preference.
Summary
The 2010 Accord offered a practical 2.4L inline-4 and a more powerful 3.5L V6, both featuring i-VTEC. The four-cylinder prioritized efficiency, while the V6 delivered enhanced performance, giving buyers a clear choice between economy and sportier driving dynamics.


