3.0L Turbocharged Engine (VIN Digits 4 & 5: 90 / Model: B6304T4) — Compatible with 2015–2016 Volvo S60 (Applicable Series: Volvo 3.0L Series)

The Volvo B6304T4 is a 3.0-liter turbocharged inline-six engine (part of the SI6 series) that produces a maximum output of approximately 300–304 horsepower and a peak torque of 325 lb-ft (440 Nm). This engine is commonly found in P3-platform Volvo models from the 2011 through 2016 model years (including the S60, V60, XC60, XC70, and S80). The engine features a compression ratio of 9.3:1.

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Description

B6304T4 Engine Key Specifications:
Engine Type: Inline-6, 24-valve, Dual Overhead Camshaft (DOHC), Turbocharged.
Displacement: 2,953 cc (3.0 liters).
Bore x Stroke: 82 mm x 93.2 mm.
Max Power: 304 PS (224 kW; 300 hp)  5600 rpm.
Max Torque: 440 N·m (325 lb-ft)  2100–4200 rpm.
Intake/Boost: Turbocharged; Boost pressure approx. 10.1 PSI (0.7 Bar) to 14.5 PSI (1 Bar).
Valve Train: Chain-driven.

Common Uses and Applications:
The B6304T4 engine was widely utilized across Volvo’s P3 platform, appearing most frequently in T6 AWD (All-Wheel Drive) model configurations, where it was designed to deliver a smooth, high-torque driving experience.
Volvo S60/V60 T6 (2011–2016): Often equipped with the Polestar Performance Optimization package (R-Design) to achieve enhanced torque output.
Volvo XC60 T6 (2011–2016): Featured in this mid-size SUV model, providing a more robust power output.
Volvo XC70 and S80 T6: Employed in the executive sedan and estate model series.