Volvo S90 trim comparison
2025 Volvo S90 B6 Plus vs B6 Ultra
The S90 B6 Plus starts at $58,300 while the B6 Ultra is $63,900. That $5,600 gap buys 1 meaningful difference.
$5,600 more is ~$98/month. The question is whether the added equipment will matter to you every week.
The extra $5,600 does not buy a measurable hardware change in our data. Treat the B6 Ultra as an appearance or packaging decision, not a core-trim upgrade.
Think about this as a monthly tradeoff, not just a sticker gap. The B6 Ultra adds about $98/month on a typical 60-month loan, or around $5,880 more overall with interest.
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
The B6 Plus and B6 Ultra are mechanically identical where it counts: the same 8-speed shiftable automatic transmission and identical wheelbase and body dimensions.
The upgrade math
$5,600 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 | B6 Plus | B6 Ultra |
|---|---|---|
| Pricing | ||
| MSRP | $58,300 | $63,900 |
| Powertrain | ||
| Engine | 2.0L I4 mild-hybrid | 2.0L I4 mild-hybrid |
| Horsepower | 295 hp | 295 hp |
| Torque | 310 lb-ft | 310 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 23 | 23 |
| Highway MPG | 31 | 31 |
| Combined MPG | 26 | 26 |
| Fuel Tank | 15.9 gal | 15.9 gal |
| Dimensions | ||
| Curb Weight | 4,296 lbs | 4,296 lbs |
| Wheelbase | 120.5" | 120.5" |
| Length | 200.4" | 200.4" |
| Width | 74.0" | 74.0" |
| Height | 57.2" | 57.2" |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 4yr/50k |
| Corrosion | 12yr/unlimited | 12yr/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 Volvo S90 B6 Plus vs B6 Ultra Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Volvo S90 lineup, the Volvo brand hub, the Midsize Sedans, 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 S90 B6 Ultra cost than the B6 Plus?
The B6 Ultra starts at $63,900 compared to $58,300 for the B6 Plus. That is a $5,600 difference, or approximately $98/month more on a 60-month loan.
Do the 2025 Volvo S90 B6 Plus and B6 Ultra have the same engine?
Yes. Both use the 2.0L I4 mild-hybrid producing 295 hp and 310 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do the 2025 S90 B6 Plus and B6 Ultra have the same drivetrain?
Yes. Both come with AWD as standard. The differences between these trims are in features and equipment, not drivetrain.
What warranty does the 2025 Volvo S90 come with?
All 2025 Volvo S90 trims, including both the B6 Plus and B6 Ultra, come with Volvo's standard warranty: 4yr/50k bumper-to-bumper and 4yr/50k 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.
Breaking Down the $5,600 Gap
Same engine, drivetrain, fuel economy, $5,600 more. The S90 B6 Ultra adds minor equipment upgrades over the B6 Plus, but the core driving experience is identical.
What Both Trims Share
The S90 B6 Plus and B6 Ultra share the same engine, drivetrain, transmission, and fuel economy. The $5,600 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.
Volvo S90 B6 Plus
Value-trim add-onsThese picks fit the B6 Plus best when the goal is covering the daily-use gaps without paying up to the next trim.
Volvo S90 B6 Ultra
Step-up trim add-onsThese picks suit the B6 Ultra 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 Volvo or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.