Vehicle
Lexus RX
The SUV that carries most of Lexus's volume, and the nameplate where the make's hybrid history begins — the RX 400h was among the first hybrid SUVs anywhere. That matters diagnostically because it is a Toyota Hybrid System car: the inverter, the transaxle with two motor-generators, and the traction battery are the same architecture as a Prius of its year, so the corpus's hybrid-block codes and Toyota's community knowledge both apply directly.
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Generations
-
XU10 1998–2003
The original RX, sold as the Toyota Harrier in Japan; the 1MZ-FE V6 with no hybrid option at all.
- Body styles
- SUV
- Platform
- Toyota K
- Engines
-
- 3.0 V6 — 1MZ-FE · petrol · 145–162 kW (194–217 hp) · 248–304 Nm (183–224 lb-ft)
- 2.2 — 5S-FE · petrol · 97–101 kW (130–135 hp) · 197–203 Nm (145–150 lb-ft)
- 2.4 — 2AZ-FE · petrol · 117–132 kW (157–177 hp) · 220–224 Nm (162–165 lb-ft)
- Transmissions
- 4-speed U140E/F automatic
- Drivetrain
- Front-wheel drive · Four-wheel drive
-
XU30 2003–2008
The 400h introduces the hybrid drivetrain to the range.
- Body styles
- SUV
- Platform
- Toyota K
- Engines
-
- 3.3 V6 — 3MZ-FE · petrol · 155–171 kW (208–229 hp) · 288–328 Nm (212–242 lb-ft)
- 3.3 V6 hybrid — hybrid · RX 400h
- 2.4 — 2AZ-FE · petrol · 117–132 kW (157–177 hp) · 220–224 Nm (162–165 lb-ft)
- 3.0 V6 — 1MZ-FE · petrol · 145–162 kW (194–217 hp) · 248–304 Nm (183–224 lb-ft)
- 3.5 V6 — 2GR-FE · petrol · 200–234 kW (268–314 hp) · 336–353 Nm (248–260 lb-ft)
- Transmissions
- e-CVT · 5-speed U151E/F automatic
- Drivetrain
- Front-wheel drive · Four-wheel drive
-
AL10 2008–2015
450h at volume; the generation most independent workshops meet first.
- Body styles
- SUV
- Platform
- Toyota K
- Engines
-
- 2.7 four-cylinder — 1AR-FE · petrol · 138–140 kW (185–188 hp) · 247–252 Nm (182–186 lb-ft)
- 3.5 V6 — 2GR-FE · petrol · 183–204 kW (245–274 hp) · 336–353 Nm (248–260 lb-ft)
- 3.5 V6 hybrid — 2GR-FXE · hybrid · RX 450h
- Transmissions
- e-CVT · 6-speed automatic U660E/F · 8-speed automatic
- Drivetrain
- Front-wheel drive · Four-wheel drive
-
AL20 2015–2022
450h and 450hL; a turbocharged petrol 200t alongside.
- Body styles
- SUV
- Platform
- Toyota TNGA-K
- Engines
-
- 2.0 turbo — 8AR-FTS · petrol · 175–180 kW (235–241 hp) · 350 Nm (258 lb-ft) · RX 300
- 3.5 V6 — 2GR-FKS · petrol · 193 kW (259 hp) · 357–362 Nm (263–267 lb-ft)
- 3.5 V6 hybrid — 2GR-FXS · hybrid · 335 Nm (247 lb-ft) · RX 450h
- Transmissions
- e-CVT · 6-speed automatic Toyota U661 E/F · 8-speed automatic Aisin AWF8F35
- Drivetrain
- Front-wheel drive · Four-wheel drive
-
AL30 2022–present
TNGA-K, and the V6 is gone entirely — turbocharged fours and hybrids only, so older RX powertrain information stops applying here.
- Body styles
- SUV
- Platform
- Toyota TNGA-K
- Engines
-
- 2.4 turbo four-cylinder — T24A-FTS · petrol · 205 kW (275 hp) · 430 Nm (317 lb-ft) · T24A-FTS, RX 350
- 2.5 four-cylinder hybrid — A25A-FXS · hybrid · 140 kW (188 hp) · 243 Nm (179 lb-ft) · A25A-FXS, RX 350h
- 2.4 turbo hybrid — T24A-FTS · hybrid · 202 kW (271 hp) · 460 Nm (339 lb-ft) · RX 500h
- 2.5 plug-in hybrid — A25A-FXS · plug-in hybrid · 136 kW (182 hp) · 228 Nm (168 lb-ft) · RX 450h+
- 2.0 turbo — S20A-FTS · petrol · 182 kW (244 hp) · 380 Nm (280 lb-ft) · RX 300; SALA15, China only
- Transmissions
- 8-speed automatic · e-CVT · 6-speed automatic
- Drivetrain
- Front-wheel drive · Four-wheel drive
Information, not instruction
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Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
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