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Volvo S90: SPA platform, engines and trim levels
The Volvo S90 is a large executive sedan that replaced the Volvo S80, competing directly with the BMW 5 Series, Mercedes-Benz E-Class, and Audi A6. We take a look at the differences between pre- and post-facelift models, the most common engine options, trim levels, and what to check before buying a used one.
The S90 at a glance
The current S90 has been in production since 2016 and is built on the SPA platform, which is also shared with the Volvo XC90 and V90. The S90 name was previously used between 1997 and 1998, but that is an entirely different car — on the used market, you are almost always looking at the modern generation.
The S90 is praised for its serene, luxurious cabin, exceptionally comfortable seats, generous rear legroom, and comprehensive safety features. It is built much more for relaxed cruising than spirited driving, and all engines are 2.0-litre four-cylinders.
Pre- vs. Post-facelift: What's the difference?
Early S90s (2016–2020) feature the Sensus infotainment system with a vertical touchscreen, LED headlights with the signature 'Thor's Hammer' DRLs, and a wide selection of diesel and petrol engines. These are the most common and affordable S90s on the used market.
The 2020 facelift brought revised bumpers, rear lights with sequential indicators, improved cabin air filtration, and mild-hybrid powertrains (B4, B5, B6). The newest models also feature a newer, Google-powered infotainment system.
Around 2022, the trim level naming convention was updated: Momentum, Inscription, and R-Design were replaced by Core, Plus, and Ultimate. However, older names are still the most commonly encountered on the used market.
Engines and gearboxes
Pre-facelift models are dominated by the D3 diesel (approx. 150 hp), D4 (approx. 190 hp), and D5 (approx. 235 hp, with all-wheel drive), along with T4, T5, and T6 petrols, and the T8 Twin Engine plug-in hybrid (approx. 390–410 hp, AWD).
Post-facelift models are anchored by the B4 and B5 mild hybrids (both diesel and petrol) and the B6 petrol, while the plug-in hybrid was renamed T8 Recharge. Later T8 models feature a larger battery and an increased all-electric range. Volvo officially discontinued diesel engines in 2024.
Most S90s are equipped with an 8-speed automatic transmission. Higher-output versions and all plug-in hybrids feature all-wheel drive (AWD), while other variants are typically front-wheel drive.
What to check when buying a used S90
Check the infotainment system: the Sensus system in early cars can sometimes be sluggish or prone to rebooting, so it's worth asking if the software has been updated. Test the cameras, Pilot Assist, and other driver-assistance features.
For diesel models with a heavy city driving history, inspect the diesel particulate filter (DPF), and check the AdBlue system on later diesels. On the T8 plug-in hybrid, verify that the charging system works correctly, check for any hybrid system error codes, and test the real-world electric range.
If the car is equipped with rear air suspension, ensure it doesn't sag when parked. Verify the mileage against official inspection and service records, and carefully check large alloy wheels wrapped in low-profile tires for curb damage.
Trim levels
Names and equipment vary depending on the market and model year; the specifications below reflect the most common European trims.
Momentum
2016–2022Entry-level, yet generously equipped.
- LED headlights
- Sensus infotainment with navigation
- Simpler seat upholstery
Inscription
2016–2022The pinnacle of luxury for comfort seekers.
- Leather upholstery and wooden trim inlays
- Frequently features a digital instrument cluster
- Often equipped with ventilated seats and the Bowers & Wilkins sound system
R-Design
2016–2022A sportier visual package.
- Sport bumpers and gloss-black front grille
- Sports seats and steering wheel
- Often features a firmer sports suspension
Plus
from approx. 2022The updated mid-tier trim.
- LED headlights and Google-powered infotainment
- Leather upholstery
- Frequently includes advanced driver-assistance systems
Ultimate
from approx. 2022The flagship modern trim.
- Maximum comfort and safety equipment
- Frequently includes the Bowers & Wilkins sound system
- Often features the most luxurious interior finishes
S90 trim level comparison (2016–2022)
| Momentum | Inscription | R-Design | |
|---|---|---|---|
| Ideal for | The rational buyer | Comfort and luxury | Sporty styling |
| Wheel size (typical) | 17–18 in. | 18–19 in. | 18–19 in. |
| Interior | Standard | Leather and wood trim | Sports seats |
| Used market price (relative) | € | €€ | €€ |
For most buyers, the best choice is the S90 Inscription with the D4 or B4 engine: it strikes the ideal balance of comfort and value for this car. R-Design is worth picking for the looks, and the T8 only if you can regularly plug it in.
Pros
- Serene, luxurious and high-quality cabin
- Spacious rear seat
- Abundant safety and driver assistance systems
- Frugal diesels and a plug-in hybrid
Cons
- All engines are four-cylinder only
- Early infotainment systems can be sluggish
- Less sporty handling than German rivals
Frequently asked questions
Is the Volvo S90 reliable?
The S90 is considered quite reliable, especially with the simpler diesel or petrol engines. Most complaints relate to electronics and infotainment, so it is well worth checking all systems and the service history before buying.
Which engine to choose — D4, B4 or T8?
For high-mileage drivers covering long distances, the D4 or B4 diesel is best. The T8 plug-in hybrid is only suited for those who can charge it regularly; otherwise, it drinks more fuel and adds needless complexity.
What is the difference between the S90 and V90?
Mechanically, engine-wise and inside the cabin, they are essentially identical. The S90 is a saloon with a separate boot, while the V90 is an estate with a larger and more practical loading bay.
Updated 2026-10-09 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
