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IS IS350 F Sport a V8?

No. The IS350 F Sport is not powered by a V8. The F Sport designation denotes a sport-tuned version of the IS350’s V6 engine, while true V8 power comes from other, higher-performance variants such as the original IS F and the newer IS 500 F SPORT.


What is the IS 350 F Sport?


The IS 350 F Sport is a sport-oriented variant of Lexus’s midsize IS sedan. It shares the same 3.5-liter V6 as the standard IS350, but adds chassis tuning, upgraded brakes, distinctive exterior and interior trim, and sportier exhaust notes in many markets. Power figures are in the neighborhood of roughly 306–311 horsepower with torque around the high-200s to near 280 lb-ft, depending on model year and market. Transmission is typically an automatic, with all-wheel-drive availability varying by year and region.


Before discussing the engine differences, it helps to see how the F Sport package differentiates the model from a regular IS350:



  • Sport-tuned suspension and braking upgrades

  • Distinctive F Sport exterior styling and exclusive wheels

  • F Sport interior touches such as sport seats and trim

  • Often a distinct exhaust tone, depending on year


Concluding: The F Sport badge signals a performance-focused treatment of the IS350’s V6, not a change to a V8 powerplant.


How does this compare with V8 variants?


The key difference lies in the engine. While the IS 350 F Sport uses a 3.5-liter V6, Lexus has offered V8-powered variants for more aggressive performance. The classic IS F was built around a 5.0-liter V8, and in recent years Lexus introduced the IS 500 F SPORT with a 5.0-liter V8 as part of the current-generation lineup. These V8 models deliver substantially higher horsepower and a different driving character than the IS350 F Sport.


IS F and IS 500 F SPORT: where the V8 lives


The IS F represents Lexus’s earlier high-performance V8 option, while the IS 500 F SPORT is the newer V8-equipped variant available in the latest generation. Both sit above the IS350 F Sport in price and performance, and neither carries the IS350 F Sport badge. If a buyer specifically wants a V8, those are the models to consider.


Bottom line


In plain terms: IS350 F Sport is not a V8. It remains a V6-powered, sport-tuned variant of the IS350. If you want a V8 in the IS lineup, you’ll be looking at the IS F or the newer IS 500 F SPORT.


Summary


The IS350 F Sport represents a performance-ready version of Lexus’s V6 IS sedan, not a V8. For V8 power, the IS F and the IS 500 F SPORT are the relevant options, with the latter delivering the modern V8 experience in the current generation.

Is the IS 350 F Sport a V8?


No, the IS 350 F Sport is not a V8; it is powered by a 3.5L V6 engine that produces 311 horsepower. Lexus offered a high-performance version of the IS with a V8 engine, the IS 500, but the IS 350 model has always been a V6.
 
You can watch this video to see the Lexus IS 350 F Sport's V6 engine in action: 42sRaiti's RidesYouTube · Sep 25, 2025

  • The IS 350 F Sport uses a naturally aspirated 3.5L V6 engine. 
  • This engine provides 311 horsepower and a smooth power delivery. 
  • For a V8 option, you would need to look at a different Lexus model, such as the now-discontinued IS 500, which featured a naturally aspirated V8. 



What kind of engine does an IS 350 have?


V-6
Engine, Transmission, and Performance
The 2025 IS has three engine options: a 241-hp turbocharged 2.0-liter four-cylinder in the IS300, a 311-hp V-6 in the IS350, and a 472-hp V-8 in the IS500. The IS300 and IS350 can be had with all-wheel drive; the IS500 is rear-drive only.



Is the Lexus 350 a V-6 or V8?


LEXUS RX 350 PERFORMANCE SPECS
Every 2022 RX 350 is powered by a 3.5L V6 engine, which is mated to an electronically controlled 8-speed automatic transmission. Front-wheel drive (FWD) is standard, but you can opt for available Dynamic Torque Control all-wheel drive (AWD) for improved traction on wet or snowy roads.



Which Lexus F Sport has a V8?


Lexus IS 500 F Sport
Lexus IS 500 F Sport Highlights
Performance: 5.0-liter naturally aspirated V8 engine delivering 472 horsepower and F SPORT–tuned Adaptive Variable Suspension. Engine Options: Naturally aspirated V8 paired with an 8-speed automatic transmission and Drive Mode Select with multiple modes.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.