D4 refers to the 2.0-liter turbocharged diesel engine found in the Volvo V60 D4, offering a blend of efficiency and performance. Known for its smooth power delivery, this engine produces 190 horsepower and 400 Nm of torque, making it ideal for both highway cruising and city driving. The V60 D4 delivers excellent fuel economy, with figures typically around 20-22 km/l in combined driving conditions. Paired with Volvo's refined design, premium interior materials, and advanced safety features, the V60 D4 is a versatile and luxurious option for those seeking practicality and efficiency in a stylish package.