Lexus RX trim comparison
2024 Lexus RX 350h vs 450h+ Luxury
The RX 350h starts at $50,750 while the 450h+ Luxury is $69,230. That $18,480 gap buys 5 meaningful differences.
This trim jump changes the engine from 2.5L I4 hybrid to 2.5L I4 phev. Everything else is secondary to whether that powertrain difference matters for how you drive.
If you would notice the 2.5L I4 phev every week, the 450h+ Luxury makes sense. If not, the 350h is the cleaner stop because this jump matters for the powertrain first and the trim badge second.
If you are budgeting this move monthly, the jump from the 350h to the 450h+ Luxury is about $325/month on a 60-month loan at 6.5% APR with 10% down. That works out to roughly $19,500 more by the time interest is counted. If that different powertrain is not part of your real use case, the cheaper trim keeps more money in your pocket without changing the core experience you need.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when you are specifically shopping for the stronger powertrain, not just more trim content.
When both feel the same
The 350h and 450h+ Luxury are mechanically identical where it counts: the same continuously variable-speed automatic transmission and identical wheelbase and body dimensions.
The upgrade math
You are paying $18,480 for 4 measurable differences, which works out to about $4,620 per change.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 5 specification differences, 2 shared.
Full Specification Comparison
Specifications reflect available data as of early 2024. Confirm details with an authorized dealer before purchasing.
| Spec | 350h | 450h+ Luxury |
|---|---|---|
| Pricing | ||
| MSRP | $50,750 | $69,230 |
| Powertrain | ||
| Engine | 2.5L I4 hybrid | 2.5L I4 phev |
| Horsepower | 246 hp | 304 hp |
| Torque | 233 lb-ft | No published data |
| Transmission | continuously variable-speed automatic | continuously variable-speed automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 37 | 37 |
| Highway MPG | 34 | 34 |
| Combined MPG | 36 | 36 |
| Fuel Tank | 17.2 gal | 14.5 gal |
| Annual Fuel Cost (EPA) | $1,600/yr | $1,600/yr |
| Dimensions | ||
| Curb Weight | 4,455 lbs | 4,800 lbs |
| Wheelbase | 112.2" | 112.2" |
| Length | 192.5" | 192.5" |
| Width | 75.6" | 75.6" |
| Height | 67.3" | 67.3" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 6yr/70k | 6yr/70k |
| Corrosion | 6yr/unlimited | 6yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 4yr/unlimited |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2024 Lexus RX 350h vs 450h+ Luxury Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Lexus RX lineup, the Lexus brand hub, the Midsize SUVs, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2024 RX 450h+ Luxury cost than the 350h?
The 450h+ Luxury starts at $69,230 compared to $50,750 for the 350h. That is a $18,480 difference, or approximately $325/month more on a 60-month loan.
Do the 2024 Lexus RX 350h and 450h+ Luxury have the same engine?
No. The 350h uses a 2.5L I4 hybrid (246 hp, 233 lb-ft), while the 450h+ Luxury has the 2.5L I4 phev (304 hp). That is 58 more horsepower. Both pair with the same continuously variable-speed automatic.
Do the 2024 RX 350h and 450h+ Luxury have the same drivetrain?
Yes. Both come with AWD as standard. The differences between these trims are in features and equipment, not drivetrain.
Is the 2024 RX 350h or 450h+ Luxury safer?
Both share the same Lexus RX platform with an overall 5-star NHTSA safety rating. Safety ratings are model-level and identical across trims. The trim choice affects comfort and features, not crash protection.
What warranty does the 2024 Lexus RX come with?
All 2024 Lexus RX trims, including both the 350h and 450h+ Luxury, come with Lexus's standard warranty: 4yr/50k bumper-to-bumper and 6yr/70k powertrain coverage. Warranty does not vary by trim level.
Is the 2024 Lexus RX 450h+ Luxury worth $18,480 more than the 350h?
The $18,480 buys the 2.5L I4 phev. If that powertrain matters for how you drive, yes. If not, the 350h does the same job for less.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
What $18,480 Gets You
Same drivetrain, fuel economy, $18,480 more. The RX 450h+ Luxury adds minor equipment upgrades over the 350h, but the core driving experience is identical.
350h vs. 450h+ Luxury: Day-to-Day
The 450h+ Luxury comes with the 2.5L I4 phev instead of the 350h's 2.5L I4 hybrid.
Summary
The RX 450h+ Luxury costs $18,480 more than the 350h (about $325/month more on a 60-month loan). That buys 4 meaningful changes at $4,620 per change. Whether that trade-off is worth it depends on which features matter to your daily driving.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
Lexus RX 350h
Value-trim add-onsThese picks fit the 350h best when the goal is covering the daily-use gaps without paying up to the next trim.
Lexus RX 450h+ Luxury
Step-up trim add-onsThese picks suit the 450h+ Luxury when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2024 model year. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Lexus or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.