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Your choice of engine in the 2001 Nissan Sentra will determine whether you get a 1.8L 4-cylinder or a larger 2.0L 4-cylinder. The 1.8L engine is known as the QG18DE, while the 2.0L engine is the SR20DE. Both engines require SAE 5W-30 full synthetic motor oil, with the smaller engine needing 2.9 quarts and the larger one requiring 3.6 quarts. The 1.8L engine provides 122 horsepower and 122 lb-ft of torque, while the 2.0L engine can deliver up to 144 horsepower and 136 lb-ft of torque. While there aren't significant differences between the two engines in the 2001 model year, some drivers appreciate the slight power increase of the 2.0L engine.
The 2001 Nissan Sentra came with a choice of two engine sizes: a 1.8-liter 4-cylinder and a 2.0-liter 4-cylinder.
The Nissan Sentra of 2001 has a 1.8 liter 4-cylinder engine.