2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10)

ZA10 / Compact Luxury Crossover SUV / Global (Japan, North America, Europe, China, others)

8AR-FTSM15A-FKS2NMA25A-FXSExact year/trim recordSilver

Engine identity

Engine code

8AR-FTS, M15A-FKS, 2NM, A25A-FXS

Engine summary

2021 Lexus UX mainly offered with 2.0L inline-4 turbo (8AR-FTS, petrol) in most markets, 2.0L inline-4 hybrid (M15A-FKS + electric motor) or 2.5L hybrid (A25A-FXS) in select regions; 1.5L turbo 3-cylinder (2NM) available in China and some Asian markets.

Displacement

1986 cc (2.0L I4), 1490 cc (1.5L I3), 2487 cc (2.5L I4 hybrid)

Power

170-184 hp (2.0L turbo petrol), 129-146 hp (1.5L turbo), 176 hp combined (2.5L hybrid)

Torque

207-221 Nm (2.0L turbo petrol), approx. 205 Nm (1.5L turbo), 221 Nm (2.5L hybrid engine only)

Fuel system

Direct Injection Turbocharged (petrol), Port Injection (hybrids)

Timing drive

Chain driven (2.0L turbo and 2.5L hybrid engines)

OBD port

Verify by VIN and market

Oils and fluids

Oil type

SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs

Oil capacity

Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil change

Coolant

Approx. 6.7 L (includes engine and hybrid system coolant for hybrid models)

Fluid

Dexron VI or equivalent automatic transmission fluid; CVT fluid varies by region

Differential fluid

Not applicable or rare, due to front-wheel or all-wheel drive configuration with electronic control

Brake fluid

DOT 3 or DOT 4, check market-specific recommendations

Service and parts data

Manual transmission

Not offered in 2021 UX globally, CVT or 6-speed automatic available depending on market

Automatic transmission

Continuously Variable Transmission (CVT) for hybrids; 6-speed automatic for turbo petrol models in some markets

Spark plugs

Iridium tip plugs (standard for 2.0L turbo engines); change interval approx. 120,000 km

Service interval

Typically every 10,000-15,000 km or 12 months, varies by market and driving conditions

Tire sizes

225/50R18, 225/45R19

Wheel torque

Verify by VIN and market

Common and chronic problems

Minor infotainment system software bugs
Sensitivity in hybrid battery cooling system under extreme conditions

First checks

Inspect turbocharger operation on petrol engines
Check hybrid battery health using dealer diagnostics
Monitor oil consumption in turbo engines

Before replacing parts

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

Hybrid versions vary by market: 2.0L or 2.5L engines combined with electric motors; North America favors 2.0L hybrid UX 250h, Europe and Japan offer 2.5L hybrid UX 250h as well.
UX 200 with 2.0L turbo petrol mainly in China and some Asian markets; UX 250h hybrid dominates Europe, US, Japan.

Common codes

Source and verification notes

Lexus global 2021 UX technical specifications brochures and owner manuals
Official Lexus press releases and industry technical reviews for model year 2021

Compatible tools

Verify by VIN and market

FAQ

What engine code does the 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) use? 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) is listed here with engine code 8AR-FTS, M15A-FKS, 2NM, A25A-FXS; engine summary: 2021 Lexus UX mainly offered with 2.0L inline-4 turbo (8AR-FTS, petrol) in most markets, 2.0L inline-4 hybrid (M15A-FKS + electric motor) or 2.5L hybrid (A25A-FXS) in select regions; 1.5L turbo 3-cylinder (2NM) available in China and some Asian markets..
What oil and capacity does the 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) use? 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) is listed with SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs and oil capacity Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil change. Confirm market and engine option before service.
What are common 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) problems? Highlighted checks for 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10): Minor infotainment system software bugs, Sensitivity in hybrid battery cooling system under extreme conditions.

Engine identity

Engine code

8AR-FTS, M15A-FKS, 2NM, A25A-FXS

Engine summary

Displacement

1986 cc (2.0L I4), 1490 cc (1.5L I3), 2487 cc (2.5L I4 hybrid)

Power

170-184 hp (2.0L turbo petrol), 129-146 hp (1.5L turbo), 176 hp combined (2.5L hybrid)

Torque

207-221 Nm (2.0L turbo petrol), approx. 205 Nm (1.5L turbo), 221 Nm (2.5L hybrid engine only)

Fuel system

Direct Injection Turbocharged (petrol), Port Injection (hybrids)

Timing drive

Chain driven (2.0L turbo and 2.5L hybrid engines)

OBD port

Verify by VIN and market

Oils and fluids

Oil type

SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs

Oil capacity

Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil change

Coolant

Approx. 6.7 L (includes engine and hybrid system coolant for hybrid models)

Fluid

Dexron VI or equivalent automatic transmission fluid; CVT fluid varies by region

Differential fluid

Not applicable or rare, due to front-wheel or all-wheel drive configuration with electronic control

Brake fluid

DOT 3 or DOT 4, check market-specific recommendations

Service and parts data

Manual transmission

Not offered in 2021 UX globally, CVT or 6-speed automatic available depending on market

Automatic transmission

Continuously Variable Transmission (CVT) for hybrids; 6-speed automatic for turbo petrol models in some markets

Spark plugs

Iridium tip plugs (standard for 2.0L turbo engines); change interval approx. 120,000 km

Service interval

Typically every 10,000-15,000 km or 12 months, varies by market and driving conditions

Tire sizes

225/50R18, 225/45R19

Wheel torque

Verify by VIN and market

FAQ

What engine code does the 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) use? 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) is listed here with engine code 8AR-FTS, M15A-FKS, 2NM, A25A-FXS; engine summary: 2021 Lexus UX mainly offered with 2.0L inline-4 turbo (8AR-FTS, petrol) in most markets, 2.0L inline-4 hybrid (M15A-FKS + electric motor) or 2.5L hybrid (A25A-FXS) in select regions; 1.5L turbo 3-cylinder (2NM) available in China and some Asian markets..

What oil and capacity does the 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) use? 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) is listed with SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs and oil capacity Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil change. Confirm market and engine option before service.

What are common 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10) problems? Highlighted checks for 2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10): Minor infotainment system software bugs, Sensitivity in hybrid battery cooling system under extreme conditions.

2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Before replacing parts

Important notes

Scanning Engine...

2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Before replacing parts

Important notes