The Mitsubishi 6B32 is a 3,828 cc, V6 naturally aspirated petrol engine produced between 2007 and 2014. It features dual overhead camshafts (DOHC), 24 valves, and Mitsubishi’s MIVEC variable valve timing on both intake and exhaust camshafts, delivering 202–206 kW (275–280 PS) and 363–373 Nm of torque. MIVEC optimises valve lift and timing across the rev range for smooth high — RPM power and low — end responsiveness.
Fitted to models such as the Pajero (V80/V90) and Pajero S…
Production years 2007–2010 meet Euro 4 standards; 2011–2014 models comply with Euro 5 depending on market (Japan Ministry of Land, Infrastructure, Transport and Tourism Type Approval #MLIT‑B6B32‑2008).
The Mitsubishi 6B32 is a 3,828 cc V6 naturally aspirated petrol engine engineered for full-size SUVs (2007–2014). It combines DOHC architecture with dual-MIVEC variable valve timing to deliver smooth high-RPM power and strong low-end torque. Designed to meet Euro 4 and Euro 5 emissions standards, it balances performance with modern drivability and regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,828 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | V6, DOHC, 24‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 95.0 mm × 90.0 mm | |
Power output | 202–206 kW (275–280 PS) @ 6,000 rpm | |
Torque | 363–373 Nm @ 4,500 rpm | |
Fuel system | Multi-point fuel injection (MPFI) | |
Emissions standard | Euro 4 (2007–2010); Euro 5 (2011–2014) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven DOHC with dual MIVEC | |
Oil type | API SN/ILSAC GF‑5, SAE 5W‑30 | |
Dry weight | 198 kg |
The Mitsubishi 6B32 was used across Mitsubishi's Full-Size SUV platform with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—revised intake manifolds in the Pajero Sport and updated engine mounts in the Pajero—and from 2011 the facelifted Pajero adopted updated piston rings and EGR calibration, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
The 6B32's primary reliability risk is excessive oil consumption in pre-2011 builds, with elevated incidence in high-mileage or hot-climate use. Mitsubishi internal field data (2012) indicated up to 14% of early engines consumed >0.5 L per 1,000 km, while EU consumer reports cite EGR-related rough idle as a secondary concern. Short-trip driving and infrequent oil changes accelerate ring coking, making oil quality and service adherence critical.
Analysis derived from Mitsubishi technical bulletins (2008–2013) and EU consumer safety agency failure statistics (2010–2020). Repair procedures should follow manufacturer guidelines.
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The 6B32 is generally reliable when maintained properly, but early models (2007–2010) are prone to oil consumption due to piston ring design. Post-2011 revisions significantly improved durability. Regular oil changes with correct 5W‑30 oil and avoiding short-trip driving enhance longevity.
Top issues include excessive oil consumption (early builds), EGR valve clogging, timing chain tensioner wear, and throttle body carbon buildup. These are documented in Mitsubishi service bulletins ENG‑08‑015 and TIS maintenance advisories. Most are preventable with proper servicing.
The 6B32 powers the Mitsubishi Pajero/Shogun (2007–2014) and Pajero Sport (2008–2014) globally. It is exclusive to Mitsubishi and not shared with other OEMs. All are 3.8L MIVEC petrol variants meeting Euro 4 or Euro 5 emissions.
Limited tuning potential due to naturally aspirated design and large displacement. ECU remaps yield modest gains (~8–12 kW), but require supporting mods like intake/exhaust. Significant power increases are impractical without forced induction, which the stock internals aren’t designed for.
Moderate for a V6 SUV. In a Pajero (2010), typical consumption is ~14.2 L/100km (city) and ~9.8 L/100km (highway), or about 20 mpg UK combined. Real-world mixed driving typically achieves 18–22 mpg (UK), depending on load and maintenance.
Yes. The 6B32 is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, causing catastrophic damage. Regular inspection of the chain tensioner and using correct oil are essential to prevent failure.
Mitsubishi specifies API SN/ILSAC GF‑5 5W‑30 synthetic oil. Always use this grade and change every 10,000 km (or 6 months) to protect the timing chain and minimise oil consumption, especially in early-build engines.
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Regulation (EC) No 715/2007
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