SEAT LEON III 2.0TFSI 221kW Engine CJX CJXH CJXG

The SEAT Leon CJX / CJXC / CJXG 221 kW Engine Overview

The SEAT Leon equipped with the CJX, CJXC, or CJXG engine code represents the high-performance heart of the Leon Cupra lineup. With an output of 221 kW (300 hp), this 2.0-liter TFSI turbocharged inline-four engine delivers exhilarating performance, precise throttle response, and everyday drivability. Built on the proven EA888 Gen 3 platform, this engine helped solidify the Leon Cupra as one of the most capable hot hatches of its time.

Engine Specifications Summary

Key Features and Technologies

1. Turbocharged Power with Everyday Usability
All three engine variants (CJX, CJXC, and CJXG) utilize a twin-scroll turbocharger and advanced fuel injection systems, delivering strong mid-range torque and a responsive power curve. The result is a highly engaging driving experience, whether in city traffic or on winding country roads.

2. 221 kW Performance Benchmark
At 221 kW (300 hp), these engines provide hot hatch thrills with 0–100 km/h times as low as 4.9 seconds (with DSG and 4Drive). The power delivery is linear and aggressive, yet balanced enough for daily driving and long commutes.

3. Advanced Fuel Injection for Power and Efficiency
Dual injection (direct and port) improves combustion efficiency and reduces carbon buildup. It enhances throttle response while maintaining excellent fuel economy and lower emissions.

4. Available with DSG and 4Drive AWD Systems
Depending on model and market, the CJX/CJXC/CJXG engines were paired with either a 6-speed manual, a 6/7-speed DSG automatic, and optionally with SEAT’s 4Drive all-wheel drive system—offering outstanding traction and performance in all conditions.

5. Adaptive Chassis and Drive Modes
Integrated with SEAT Drive Profile, these engines respond to selected driving modes by adjusting throttle sensitivity, steering weight, and shift behavior (with DSG), giving drivers a highly customizable performance experience.

Applications and Compatibility

The CJX / CJXC / CJXG engine variants are found in the following SEAT models:

Note: Engine code variations (CJX, CJXC, CJXG) may differ slightly depending on market, drivetrain configuration (FWD vs AWD), and transmission (manual vs DSG), but all offer similar output and performance characteristics.

Why Choose the CJX / CJXC / CJXG Engine?

1. Pure Hot Hatch Power
At 300 hp, this engine transforms the Leon into a serious performance machine—capable of matching or surpassing many premium rivals in both straight-line speed and cornering capability.

2. Balanced Performance and Practicality
Whether in hatchback or estate (ST) form, the CJX-family engines deliver exciting performance with daily comfort, good fuel economy, and usable interior space.

3. Trusted EA888 Gen 3 Architecture
These engines are built on the same platform as the powerplants found in the Golf R, Audi S3, and TTS—known for durability, tuning potential, and refined engineering.

4. Great for Driving Enthusiasts and Families Alike
With available 4Drive AWD and spacious body styles like the ST wagon, these engines make the Leon Cupra a versatile choice for spirited drivers who don’t want to sacrifice practicality.