Lexus GS is large mid-size rear wheel drive sedan. In the model range of the Japanese company, GS stands between IS/ES and LS. Despite the similarity with Lexus ES, GS model is rear wheel drive and it is equipped with more powerful engines, to this, for its interior better materials are used. To this, Lexus GS uses the new Toyota N platform, just like third-generation Lexus IS.
In the Japanese domestic market, this car was sold as Toyota Aristo.
The main competitors of Lexus GS: BMW 5-Series, Mercedes-Benz E-Class, Cadillac CTS, Infiniti M37/Q70, Acura TLX, Jaguar XF, Audi A6, Volvo S80, and similar luxury mid-size cars.
First and second generation Lexus GS engines are iconic straight-6 turbocharged (This engine is only available for the Aristo) 2JZ-GTE of Toyota Supra, as well as less powerful naturally aspirated 2JZ-GE. For the more powerful models like GS400 and GS430, V8 1UZ and 3UZ were offered.
The third generation began to use new engines. The younger GS300 and GS350 versions got V6 2GR and 3GR. More expensive models like GS430 and GS460 use V8 3UZ and 1UR.
Along with this, the third version began to use a hybrid engine. This model is called Lexus GS450h; 3.5-liter 2GR engine is used in it that works together with an electric motor. This allows for impressive 340 horsepower.
Below you may find Lexus GS engines specifications, as well as their main problems (misfire, noise, etc.) and their causes. In addition, you will find what motor oil is recommended to be used in GS engines, what its capacity is and how often to change it. Of course, we’ll tell you how to increase the engine power and make it really reliable and powerful.
List of Lexus GS models:
3 Generation, S190 (2005 – 2011):
Lexus GS 300 (252 HP) – 3.0 L
Lexus GS 350 (303 HP) – 3.5 L
Lexus GS 430 (283 HP) – 4.3 L
Lexus GS 430 (300 HP) – 4.3 L
Lexus GS 450h (339 HP) – 3.5 L
Lexus GS 460 (347 HP) – 4.6 L
4 Generation, L10 (2011 – present):
Lexus GS 200t (245 HP) – 2.0 L
Lexus GS 250 (209 HP) – 2.5 L
Lexus GS 300h (181 HP) – 2.5 L
Lexus GS 350 (306 HP) – 3.5 L
Lexus GS 350 (317 HP) – 3.5 L
Lexus GS 450h (343 HP) – 3.5 L