The Peugeot PRV 2.8L is a 2,849 cc, 90° V6 petrol engine co — developed by Peugeot, Renault, and Volvo, produced between 1975 and 1998. It features a cast — iron block, aluminium heads, and a single overhead camshaft (SOHC) per bank with two valves per cylinder. Early versions produced 103 kW (140 PS), while later fuel — injected variants reached up to 125 kW (170 PS), with torque figures between 215–235 Nm.
Fitted to models such as the Peugeot 504, 505, and 605, the PRV 2.8L was eng…
Production years 1975–1992 meet pre-Euro standards; 1993–1998 models meet Euro 1 depending on market .
The Peugeot PRV 2.8L is a 2,849 cc 90° V6 petrol engine engineered for executive sedans and coupés (1975–1998). It combines SOHC valvetrain architecture with Bosch fuel injection (post-1981) to deliver smooth torque and relaxed cruising. Designed to meet Euro 1 (post-1992) or pre-Euro standards, it balances refinement with mechanical simplicity.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,849 cc | |
Fuel type | Petrol | |
Configuration | 90° V6, SOHC, 12‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 93.0 mm × 69.3 mm | |
Power output | 103–125 kW (140–170 PS) | |
Torque | 215–235 Nm @ 3,000–4,000 rpm | |
Fuel system | Carburettor (early); Bosch L/K-Jetronic (post-1981) | |
Emissions standard | Pre-Euro (pre-1993); Euro 1 (1993–1998) | |
Compression ratio | 8.5:1–9.3:1 (varies by model year) | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven camshafts (dual chains) | |
Oil type | API SG/SH, SAE 10W‑40 | |
Dry weight | 172 kg |
The Peugeot PRV 2.8L was used across Peugeot's 504/505/605 platforms with longitudinal mounting and shared with Renault and Volvo under the PRV consortium. This engine received platform-specific adaptations—revised engine mounts in the 605 and upgraded cooling in the 505 Turbo—and from 1993 the 605 SRi adopted catalytic converters and sequential injection, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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The PRV 2.8L offers smooth V6 performance but early models (1975–1985) are prone to head gasket failure. Later fuel-injected versions (post-1986) with improved gaskets and cooling are more robust. Regular coolant changes and correct fuel mixture are essential for longevity.
Head gasket failure (especially pre-1986), timing chain stretch, carburettor/fuel injection issues, and oil leaks from valve covers or rear main seal. These are documented in Peugeot service bulletins and widely observed in DVSA MOT data.
Primarily the Peugeot 504 Coupé/Convertible (1975–1985), 505 SR/Turbo (1979–1992), and 605 SRi/SV (1990–1998). The engine was also used by Renault (25 V6 Turbo) and Volvo (260/264), but Peugeot-specific mounts and accessories limit interchange.
Yes. The PRV 2.8L responds well to intake/exhaust upgrades and carburettor rejetting or fuel injection recalibration. Forced induction is possible but requires head gasket and bottom-end reinforcement. Most safe gains are +15–25 kW without internal changes.
Moderate for a V6 of its era: ~12.5 L/100km (city) and ~8.5 L/100km (highway), or about 22–28 mpg UK combined. Carburetted models are thirstier; fuel-injected 605 variants achieve slightly better economy due to electronic management.
No. The PRV V6 is a non-interference (free-running) engine. If the timing chain fails, pistons will not contact valves, minimizing catastrophic damage—though restart attempts may still cause issues.
Peugeot specifies SAE 10W‑40 mineral or semi-synthetic oil meeting API SG/SH standards. Change every 10,000 km or 12 months. Avoid low-viscosity oils, as the SOHC valvetrain relies on adequate film strength for lifter durability.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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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.
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