Vehicle database
LEXUS UX
ZA10 / 2020-2023 / Compact Luxury Crossover SUV
Global (including Japan, Europe, North America)Global (Japan, North America, Europe, China, others)Global (availability varies by region)Coverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
2020 LEXUS UX M20A-FKS/M15A-FXE (ZA10)
ZA10 / M20A-FKS, M15A-FXE / The 2020 Lexus UX is offered with different powertrains depending on market: a 2.0L naturally aspirated inline-4 gasoline engine (M20A-FKS) primarily for Europe, North America, and Japan; and a 1.5L inline-3 hybrid engine (M15A-FXE) for select hybrid markets.
SilverOpen details
Oil type: SAE 0W-20 synthetic oil meeting Lexus specificationsOil capacity: Approx. 4.6 liters (service fill, includes oil filter replacement)Related: M20A-FKS, M15A-FXE
2021 LEXUS UX 8AR-FTS/M15A-FKS (ZA10)
ZA10 / 8AR-FTS, M15A-FKS, 2NM, A25A-FXS / 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.
SilverOpen details
Oil type: SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specsOil capacity: Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil changeRelated: 2AR-FXE (older hybrid engine family), 8AR-FTS (turbocharged petrol), A25A-FXS (newer 2.5L hybrid)
2023 LEXUS UX M20A-FKS/M35A-FXS (Hybrid) (ZA10)
ZA10 / M20A-FKS, M35A-FXS (Hybrid) / 2023 Lexus UX offered with 2.0L naturally aspirated inline-4 gasoline (M20A-FKS) and 2.5L hybrid inline-4 with electric motor (M35A-FXS). The hybrid is a self-charging full hybrid system. Markets such as North America, Europe, Japan, and select Asian countries have availability; exact engine options vary by market.
SilverOpen details
Oil type: SAE 0W-16 synthetic recommended; use Lexus Genuine Motor Oil or equivalentOil capacity: Approx. 4.2 L (service-fill including filter change, gasoline engine)Related: M20A-FKS, M35A-FXS
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2020 | technical-profile | M20A-FKS, M15A-FXE | 1987 cc (gasoline), 1490 cc (hybrid) | D-4S direct injection with multi-port injection (gasoline engine) |
| 2021 | technical-profile | 8AR-FTS, M15A-FKS, 2NM, A25A-FXS | 1986 cc (2.0L I4), 1490 cc (1.5L I3), 2487 cc (2.5L I4 hybrid) | Direct Injection Turbocharged (petrol), Port Injection (hybrids) |
| 2023 | technical-profile | M20A-FKS, M35A-FXS (Hybrid) | 1987 cc (gasoline), 2494 cc (hybrid engine displacement) | D-4S direct/port fuel injection (gasoline), hybrid powertrain with Atkinson cycle engine |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2020 | M20A-FKS, M15A-FXE | SAE 0W-20 synthetic oil meeting Lexus specifications | Approx. 4.6 liters (service fill, includes oil filter replacement) | Toyota CVT Fluid FE |
| 2021 | 8AR-FTS, M15A-FKS, 2NM, A25A-FXS | SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs | Approx. 5.5 L (service-fill including oil filter), varies slightly by engine; replace oil filter every oil change | Dexron VI or equivalent automatic transmission fluid; CVT fluid varies by region |
| 2023 | M20A-FKS, M35A-FXS (Hybrid) | SAE 0W-16 synthetic recommended; use Lexus Genuine Motor Oil or equivalent | Approx. 4.2 L (service-fill including filter change, gasoline engine) | Toyota WS Fluid or equivalent CVT fluid |
Technical specifications
- Engines: M20A-FKS, M15A-FXE, 8AR-FTS, M15A-FKS, 2NM, A25A-FXS, M35A-FXS (Hybrid)
- Transmissions: Not widely available; mostly CVT automatic transmissions, Electronically controlled continuously variable transmission (e-CVT) for hybrid, CVT for gasoline versions, Toyota CVT Fluid FE, Not offered in 2021 UX globally, CVT or 6-speed automatic available depending on market, Continuously Variable Transmission (CVT) for hybrids; 6-speed automatic for turbo petrol models in some markets, Dexron VI or equivalent automatic transmission fluid; CVT fluid varies by region, Not offered, Electronically controlled CVT (gasoline and hybrid models)
- Tire sizes: 225/50R18, 235/45R18, 225/45R19, 225/50 R18, 225/55 R17, 225/45 R19 (varies by market and trim)
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: SAE 0W-20 synthetic oil meeting Lexus specifications / SAE 0W-20 synthetic recommended for hybrid engines; SAE 0W-20 or 5W-30 synthetic for turbocharged petrol engines depending on market specs / SAE 0W-16 synthetic recommended; use Lexus Genuine Motor Oil or equivalent
- Transmission fluid: Toyota CVT Fluid FE / Dexron VI or equivalent automatic transmission fluid; CVT fluid varies by region / Toyota WS Fluid or equivalent CVT fluid
- Coolant: Approx. 6.0 liters / Approx. 6.7 L (includes engine and hybrid system coolant for hybrid models) / Approx. 6.9 L total system
- Brake fluid: DOT 3 or DOT 4 as per market specification / DOT 3 or DOT 4, check market-specific recommendations / DOT 3 or DOT 4
Known problems
- Early CVT belt wear in high mileage units
- Initial software updates required for hybrid battery management
- Minor infotainment system software bugs
- Sensitivity in hybrid battery cooling system under extreme conditions
- Occasional hybrid battery degradation after extended use
- Infotainment system software updates required