The Peugeot XM7 is a 2,975 cc, V6 naturally aspirated petrol engine produced between 1989 and 1994. It features a single overhead camshaft per bank (SOHC), 12 valves, and multi — point fuel injection. In standard form, it delivered 123 kW (167 PS) and 235 Nm of torque, engineered for smooth, effortless power delivery ideal for executive touring.
Fitted exclusively to the XM executive sedan and estate, the XM7 engine was designed for refined, quiet cruising and relaxed motor…
Peugeot
Production years 1989–1994 meet Euro 1 standards .
The Peugeot XM7 is a 2,975 cc V6 naturally aspirated petrol engine engineered for executive sedans (1989-1994). It combines SOHC 12-valve architecture with multi-point injection to deliver smooth, linear power. Designed to meet Euro 1 standards, it prioritizes refinement and low-stress reliability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,975 cc | |
Fuel type | Petrol | |
Configuration | V6, SOHC, 12‑valve | |
Aspiration | Naturally Aspirated | |
Bore × stroke | 90.0 mm × 78.0 mm | |
Power output | 123 kW (167 PS) @ 5,500 rpm | |
Torque | 235 Nm @ 4,000 rpm | |
Fuel system | Multi-point injection (Bosch Motronic) | |
Emissions standard | Euro 1 | |
Compression ratio | 9.2:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt-driven | |
Oil type | Peugeot 9736.00 (SAE 10W‑40) | |
Dry weight | 165 kg |
The Peugeot XM7 was used exclusively in Peugeot's XM platform with longitudinal mounting. This engine received no major platform-specific adaptations or facelift revisions during its production run. All technical specifications are governed by Peugeot documentation.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from Peugeot technical bulletins (1990-1994) and aggregated owner workshop reports (2000-2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The XM7 is a fundamentally simple and robust engine if basic maintenance is followed. The main concerns are the distributor drive gear and the critical 60,000 km timing belt change. With these addressed, and regular oil changes, these engines can reliably reach 200,000 km or more, especially given their low-stress design.
The most frequent issues are distributor drive gear wear causing ignition faults, timing belt failure due to neglected replacement, leaking water pumps, and intake manifold gasket leaks causing vacuum issues. These are well-documented in Peugeot service information and owner forums.
The XM7 engine was used exclusively in the Peugeot XM (Y3 platform) executive sedan and estate from 1989 to 1994, badged as the 3.0i. It is a longitudinally-mounted engine for front-wheel-drive platforms.
Significant tuning potential is limited due to its SOHC 12-valve design. Basic modifications like a performance exhaust and air filter can yield modest gains of 5-10 kW. More power requires expensive head work or forced induction, which is rarely cost-effective for this engine.
Fuel economy is typical for a 3.0L V6 of its era. In a Peugeot XM 3.0i, expect around 13.0 L/100km in the city and 8.0 L/100km on the highway, averaging approximately 22-28 mpg UK combined. Real-world figures are heavily influenced by the car's age and condition.
Yes. The XM7 is an interference engine. If the timing belt fails, the pistons will collide with the open valves, causing severe and expensive internal engine damage. This makes the 60,000 km belt change interval absolutely critical.
Peugeot originally specified oil meeting their 9736.00 standard, typically a 10W-40 mineral or semi-synthetic. Modern equivalents meeting API SG/CD or ACEA A2/B2 are generally suitable. Always check the owner's manual or oil cap for the exact specification.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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