What is the difference between RX 350 and RX300?
The RX 350 is the newer, more powerful and larger generation, while the RX 300 is the earlier, smaller variant. The differences span engine size and power, transmission, size and practicality, and technology across their respective generations.
Historical context and general differences
In Lexus’s lineup, RX300 refers to the first generation of the RX crossover (late 1990s to early 2000s) powered by a 3.0-liter V6, while RX350 denotes the later generation introduced around 2007 with a 3.5-liter V6 and a broader feature set. These naming cues reflect not just engine displacement but also platform updates, refinement, and interior packaging.
Engine and performance
Key mechanical differences between the RX300 and RX350 include engine displacement, horsepower, torque, and transmission. The following summarizes each model’s setup.
- RX300: 3.0-liter V6 (1MZ-FE) producing about 220 horsepower and roughly 210-222 lb-ft of torque; four-speed automatic transmission; available with front-wheel drive or all-wheel drive.
- RX350: 3.5-liter V6 (2GR-FE) producing about 270 horsepower and roughly 250-260 lb-ft of torque; five-speed automatic transmission; available with all-wheel drive.
In short, the RX350 offers a stronger, smoother powertrain and a more modern automatic, reflecting the newer platform and engineering of its era compared with the RX300.
Size, interior, and practicality
Differences in size and interior packaging affect space for passengers and cargo. The RX350 was designed on a longer, wider platform and typically offers more interior room and cargo capacity compared with the earlier RX300.
- RX300: Smaller footprint with tighter rear-seat legroom and less cargo space; lighter overall weight.
- RX350: Larger footprint with more interior space, improved rear-seat comfort, and greater cargo capacity when needed.
Practically, the RX350 provides more room for passengers and gear, while the RX300 remains a more compact and nimble option in urban settings and older-market pricing.
Technology, features, and safety
Both generations offered essential safety and comfort features for their time, but the RX350 era brought a broader and more modern set of technologies, with upgraded infotainment and premium options in higher trims.
- RX300: Early-generation features with baseline comfort and safety equipment; optional upgrades (like navigation or premium audio) varied by year and trim.
- RX350: More advanced standard and optional features for its era, including upgraded infotainment, larger display options, premium audio choices, and improved trims with convenience features such as a power liftgate.
Overall, the RX350-era models marked a noticeable step up in interior quality, tech integration, and convenience compared with the RX300.
Which should you choose?
If you prioritize power, space, and more contemporary features, the RX350 is the more practical choice in today’s market. If you’re aiming for a more affordable option with classic Lexus styling and a smaller footprint, the RX300-era cars can be appealing—just be mindful of maintenance needs and age-related wear. Always review maintenance history, rust risk, and drivetrain condition when shopping used.
Summary
The RX350 and RX300 represent two generations of Lexus’s mid-size luxury crossover, each with a distinct emphasis. The RX300 is the older, smaller, less powerful model, while the RX350 is larger, more powerful, and equipped with a broader range of technology and features. Your decision should reflect priorities around power, space, budget, and preferred technology era.
