2002-present Nissan Sentra SE-R &
SE-R Spec V 2002-present Nissan Altima 2.5, 2.5S , 2.5SL,
Hybrid 2001-present Nissan Serena C24, 158 hp (118 kW)
2001-present Nissan XTrail APEC export version, 178 hp (133
kW) 2005-present Nissan Frontier King Cab XE 4x2 2003-2005
Nissan Teana 160 hp and 240 nm Stated versus observed power In
addition to the physical problems suffered by the QR25DE,
Nissan's official stated horsepower and torque numbers seem to
disconnect from power measurements taken by the general
public. Though rated for 175 hp and 180 ft·lbf of torque in
the Nissan Altima and Sentra SE-R Spec-V, the actual power of
the engine may be significantly lower. Multiple dynamometer
readings performed by a range of people in an assortment of
cars over several years have shown that the engine more than
likely produces ~160 hp and ~170 ft·lbf of torque. Parasitic
loss alone seems an unlikely candidate for the discrepancy as
automatic transmission loss would be approximately 28% and
manual transmission loss 19%.
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