Why the switch from 2.5L to 1.5L Turbo means more power where it counts for Lethbridge drivers.

The 2.5L is gone. See how the new Turbo-Hybrid system delivers more torque and better efficiency.

The 2026 Mitsubishi Outlander: How the New Turbo-Hybrid Engine Works

For 2026, the Mitsubishi Outlander has undergone its most significant mechanical update in years. The traditional 2.5-litre naturally aspirated engine has been retired, replaced by an advanced 1.5-litre Turbo Mild Hybrid system. For Lethbridge drivers, this isn't just a change on a spec sheet—it is a fundamental improvement in how the vehicle accelerates, climbs hills, and saves fuel.

While the previous engine was reliable, this new powertrain is smarter. By combining a turbocharger with electric assistance, Mitsubishi has engineered a system that delivers power exactly where you need it most: in the low-to-mid RPM range where 90% of daily driving happens.

The Mechanical Breakdown: What is Under the Hood?

The new system is composed of three main parts working in unison:

1. The 1.5L Turbo Engine: A new 4-cylinder engine that uses a water-cooled intercooler and turbocharger to force more air into the combustion chamber, creating efficiency and power.
2. The Belt-Drive Starter Generator (BSG): This replaces the traditional alternator and starter motor. It connects directly to the engine via a heavy-duty belt and acts as both a motor (to spin the engine) and a generator (to create electricity).
3. The 48V Battery: Located under the vehicle floor, this lithium-ion battery stores the energy recovered during braking and deploys it when you need a boost.

How It Works: The Cycle of Energy

Unlike a Plug-in Hybrid (PHEV) that requires a cord, this Mild Hybrid Electric Vehicle (MHEV) is a closed loop. It manages its own energy automatically through two distinct modes:

Mode 1: Energy Recovery (Deceleration)

When you take your foot off the accelerator or apply the brakes, the Belt-Drive Starter Generator (BSG) switches roles to "Power Generation Mode". Instead of driving the engine, it captures the kinetic energy from the spinning crankshaft and converts it into electricity. This energy is sent to the 48V battery for storage.

Mode 2: Torque Assist (Acceleration)

This is where you feel the improvement. When you press the gas pedal to leave a stop sign or merge onto the highway, the system enters "Drive Mode". The 48V battery sends that stored electricity back to the BSG. The BSG then spins the engine’s crankshaft, providing an instant electric torque boost. This electric "shove" helps the gas engine get up to speed faster and smoother before the turbocharger fully kicks in.

The Big Improvement: Torque vs. Horsepower

On paper, some might notice that the new engine has slightly less "peak horsepower" (174 hp vs. the old 181 hp). However, horsepower tells only half the story. Torque is what you actually feel when you accelerate, and that is where the 2026 model dominates.

1. More Torque, Available Sooner

The old 2.5L engine required you to rev it high (to 3,600 RPM) to get its full pulling power. The new Turbo-Hybrid delivers significantly more torque, and it does so much earlier.

2. Smoother Stop-Start Technology

We have all experienced "jerky" auto stop-start systems in other cars. The 2026 Outlander fixes this. Because it uses the powerful BSG to restart the engine instead of a conventional starter gear, the engine re-fires instantly and silently. You will barely feel the engine turn back on when the light turns green.

3. Better Fuel Efficiency

By using stored electricity to help the engine work less, the 2026 Outlander achieves improved fuel economy ratings of 8.7 L/100 km combined (down from 8.9 L/100 km), making it more efficient than the outgoing model without sacrificing performance.

Experience the Engineering at Lethbridge Mitsubishi

The move to a Turbo-Hybrid engine proves that Mitsubishi is focused on how real people drive. By trading a small amount of peak horsepower for a massive gain in low-end torque, the 2026 Outlander feels faster, smoother, and more capable in the daily grind of Lethbridge traffic.

Visit Lethbridge Mitsubishi to test drive the new engineering standard for Mitsubishi SUVs.