Lexus RX trim comparison
2025 Lexus RX 350 F SPORT Design vs 350 Premium Plus
The RX 350 F SPORT Design starts at $53,705 while the 350 Premium Plus is $54,865. That $1,160 gap buys 1 meaningful difference.
$1,160 more is ~$20/month. The question is whether the added equipment will matter to you every week.
There is no meaningful spec case for paying $1,160 more here. Unless the appearance or package content speaks to you, the 350 F SPORT Design is the cleaner fit.
The cleanest way to feel this upgrade is through the payment: about $20/month more over 60 months, or roughly $1,200 extra all-in once interest is included.
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 want the nicer equipment factory-installed and under warranty.
When both feel the same
Both the 350 F SPORT Design and 350 Premium Plus share the same 8-speed shiftable automatic transmission and identical wheelbase and body dimensions.
The upgrade math
$1,160 price difference.
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. 1 specification difference, 6 shared.
There are no measurable spec differences in the current source data. If these trims still matter to you, the real separation is likely styling, appearance packages, or dealer inventory.
Full Specification Comparison
Specifications reflect available data as of early 2025. Confirm details with an authorized dealer before purchasing.
| Spec | 350 F SPORT Design | 350 Premium Plus |
|---|---|---|
| Pricing | ||
| MSRP | $53,705 | $54,865 |
| Powertrain | ||
| Engine | 2.4L I4 Turbo | 2.4L I4 Turbo |
| Horsepower | 275 hp | 275 hp |
| Torque | 317 lb-ft | 317 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | FWD | FWD |
| Fuel Economy | ||
| City MPG | 22 | 22 |
| Highway MPG | 29 | 29 |
| Combined MPG | 25 | 25 |
| Fuel Tank | 17.8 gal | 17.8 gal |
| Annual Fuel Cost (EPA) | $2,300/yr | $2,300/yr |
| Dimensions | ||
| Curb Weight | 4,155 lbs | 4,155 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.
2025 Lexus RX 350 F SPORT Design vs 350 Premium Plus 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 2025 RX 350 Premium Plus cost than the 350 F SPORT Design?
The 350 Premium Plus starts at $54,865 compared to $53,705 for the 350 F SPORT Design. That is a $1,160 difference, or approximately $20/month more on a 60-month loan.
Do the 2025 Lexus RX 350 F SPORT Design and 350 Premium Plus have the same engine?
Yes. Both use the 2.4L I4 Turbo producing 275 hp and 317 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do both the 2025 RX 350 F SPORT Design and 350 Premium Plus come in AWD?
Both trims start with FWD as standard. AWD is typically available as a factory option on both. Check with your dealer for current AWD pricing. This comparison uses the base FWD configuration.
Is the 2025 RX 350 F SPORT Design or 350 Premium Plus 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 2025 Lexus RX come with?
All 2025 Lexus RX trims, including both the 350 F SPORT Design and 350 Premium Plus, come with Lexus's standard warranty: 4yr/50k bumper-to-bumper and 6yr/70k powertrain coverage. Warranty does not vary by trim level.
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.
Is the RX 350 Premium Plus Worth $1,160 More?
The RX 350 Premium Plus costs $1,160 more than the 350 F SPORT Design. Whether that is worth it depends on how much you value minor equipment changes. These features matter to some buyers daily and barely at all to others. Weigh them against your priorities.
What Both Trims Share
The RX 350 F SPORT Design and 350 Premium Plus share the same engine, drivetrain, transmission, and fuel economy. The $1,160 difference comes down to 1 feature and equipment change, not mechanical differences.
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 350 F SPORT Design
Value-trim add-onsThese picks fit the 350 F SPORT Design best when the goal is covering the daily-use gaps without paying up to the next trim.
Lexus RX 350 Premium Plus
Step-up trim add-onsThese picks suit the 350 Premium Plus 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 2025 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.