Sr20det Vs Ca18det
Sr20det Vs Ca18det

Sr20det Vs Ca18det – Sr20det Vs Ca18det. Nissan, renowned for producing high-performance engines, has been a favorite among car enthusiasts worldwide. Two of its iconic engines, the SR20DET and CA18DET, have gained a cult following in the automotive community. In this comprehensive comparison, we will delve into the battle of these legendary engines. From their specifications and applications to their unique characteristics and modifications, we will explore the SR20DET and CA18DET to determine which one comes out on top.

Understanding the SR20DET Engine

The SR20DET is part of Nissan’s SR series of engines, known for its compact design and excellent power-to-weight ratio. Initially introduced in the 1989 Nissan Silvia (S13) and later in various other Nissan models, the SR20DET quickly became a favorite among tuners due to its robust build and turbocharged performance.

Understanding the CA18DET Engine

The CA18DET, on the other hand, belongs to Nissan’s CA series of engines. It made its debut in the 1987 Nissan Silvia (S13) and was also used in other Nissan models like the Nissan 180SX. Like the SR20DET, the CA18DET is turbocharged, making it an attractive option for those seeking performance upgrades.

Also Read: Ga16de Header: Understanding the Importance of Ga16de Engine Headers

Sr20det Vs Ca18det
Sr20det Vs Ca18det

Specifications Comparison

  1. Displacement:
    • SR20DET: 2.0 liters (1998 cc)
    • CA18DET: 1.8 liters (1809 cc)
  2. Cylinder Arrangement:
    • SR20DET: Inline-4
    • CA18DET: Inline-4
  3. Turbocharging:
    • Both engines are equipped with a turbocharger, providing increased power and performance.
  4. Power Output:
    • SR20DET: Depending on the generation and tuning, power output ranges from 205 to 250 horsepower.
    • CA18DET: Depending on the generation and tuning, power output ranges from 169 to 175 horsepower.


  1. SR20DET:
    • Nissan Silvia (S13, S14, S15)
    • Nissan 180SX
    • Nissan 200SX
    • Nissan Bluebird
    • Nissan Pulsar GTI-R
  2. CA18DET:
    • Nissan Silvia (S13)
    • Nissan 180SX

Unique Characteristics

  1. SR20DET:
    • The SR20DET is known for its strong aftermarket support, making it easier to find performance parts and modifications.
    • Its robust design and higher displacement contribute to increased power potential.
  2. CA18DET:
    • The CA18DET is known for its high-revving nature, offering a unique driving experience.
    • Due to its smaller displacement, it may offer better fuel efficiency and agility.

Performance Modifications

  1. SR20DET:
    • Popular modifications include upgrading the turbo, intercooler, exhaust system, and engine management to achieve higher power output.
    • Stroker kits are also available to increase displacement and overall performance.
  2. CA18DET:
    • Common modifications include upgrading the turbo, intercooler, exhaust system, and ECU tuning to improve power and response.
    • Some enthusiasts opt for engine swaps to the larger-displacement SR20DET for greater potential.

Also Read: Nissan 180sx Unveiling the Power and Style

Frequently Asked Questions about SR20DET vs. CA18DET

  1. Which engine is more reliable?
    • Both engines are known for their durability, but proper maintenance and care play a significant role in reliability.
  2. Can I swap an SR20DET into a car originally equipped with a CA18DET?
    • Yes, engine swaps are possible, but they require proper knowledge and may involve additional modifications.
  3. Which engine is better for drifting?
    • Both engines are popular in the drifting community due to their turbocharged nature and tunability.
  4. Are there any common issues with these engines?
    • Both engines may face typical issues related to aging, such as oil leaks, worn gaskets, and sensor failures.
  5. Which engine has better low-end torque?
    • The SR20DET generally offers better low-end torque due to its larger displacement.
  6. Which engine is easier to work on for DIY enthusiasts?
    • Both engines have a strong enthusiast following, and there are ample resources available for DIY projects.


The battle between the SR20DET and CA18DET is one of automotive enthusiasts’ enduring debates. While both engines have their strengths and unique characteristics, the SR20DET tends to be the favored choice among tuners due to its larger displacement and stronger aftermarket support. However, the CA18DET has its dedicated following, particularly among those seeking a high-revving experience. Ultimately, the best engine choice depends on individual preferences, budget, and intended application. Whether you choose the SR20DET or CA18DET, both engines represent the spirit of Nissan’s engineering excellence and have cemented their place in automotive history.