2018 Volvo S90 — Full Specifications
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Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2018 Volvo S90 is a saloon/sedan offered with 2 engines (2L 4-cyl turbo, 2L 4-cyl twin-charged). Its most fuel-efficient configuration returns around 32 mpg (UK) / 27 mpg (US EPA) combined, with 30–35 mpg (UK) across all configurations. A plug-in hybrid version is also listed by EPA (2L 4-cyl twin-charged), returning around 35 mpg (UK) combined. Owners often keep a Volvo S90 workshop manual to hand for servicing and repairs.
Compared with the 2017 Volvo S90: Fuel economy is essentially unchanged at around 32 mpg (UK) combined. The engine line-up listed by EPA is unchanged. EPA passenger volume changes from 98 to 102 cu ft.
Full Specifications
| Engine (most efficient) | 2L 4-cyl turbo |
|---|---|
| Engine options | 2L 4-cyl turbo · 2L 4-cyl twin-charged |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Saloon/Sedan |
| Length | 4963 mm |
| Width | 1879 mm |
| Height | 1443 mm |
| Passenger Volume (EPA) | 102 cu ft (2,888 L) |
| Luggage Volume (EPA) | 14 cu ft (396 L) |
| Fuel Economy (UK) | 32 combined / 29 urban / 41 extra-urban mpg |
| Fuel Economy (US EPA) | 27 combined / 24 city / 34 highway mpg |
| CO₂ Emissions | 200 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,050 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 4 configurations for the 2018 Volvo S90 across 2 engines (2L 4-cyl turbo, 2L 4-cyl twin-charged). Combined fuel economy ranges from 25 to 29 mpg (US), or 30 to 35 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 2L 4-cyl turbo | Automatic (S8) | All-Wheel Drive | 31 | 26 (23/32) | 211 | $3,150 |
| 2L 4-cyl turbo | Automatic (S8) | Front-Wheel Drive | 32 | 27 (24/34) | 200 | $3,050 |
| 2L 4-cyl twin-charged | Automatic (S8) | All-Wheel Drive | 30 | 25 (22/31) | 220 | $3,300 |
| 2L 4-cyl twin-charged (Plug-in Hybrid) | Automatic (S8) | All-Wheel Drive | 35 | 29 (26/33) | 100 | $2,850 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 102 cubic feet (about 2,888 litres) and luggage volume at 14 cubic feet (about 396 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2018 Volvo S90
Running Costs: 2018 Volvo S90
Covering around 8,000 miles a year in a 2018 Volvo S90 at 32 mpg combined, expect roughly 1,136 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,050 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2018 Volvo S90 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2018 Volvo S90 as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 12 complaints with NHTSA about the 2018 Volvo S90. The most-reported areas are Electrical system (3), Unspecified (3), Latches/locks/linkages (2).
Used-buyer checklist for the 2018 Volvo S90
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (3 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Doors & latches (2 owner complaints) — Test every door, boot and bonnet latch and the central locking.
- Tyres (1 owner complaint) — Check tyre age and wear and ask about any tyre recalls.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
Volvo models in our database average about 30 mpg (UK) combined on their most efficient configuration; the 2018 Volvo S90's 32 mpg is 2 mpg above that make average.
Of the 10 Volvo S90 model years we cover, the 2018 ranks 4th for combined fuel economy on its best configuration (32 mpg UK combined, against a high of 36 mpg). See every Volvo S90 year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2018 Volvo S90
Frequently Asked Questions
What engine does the 2018 Volvo S90 have?
EPA lists 2 engines for the 2018 Volvo S90: 2L 4-cyl turbo, 2L 4-cyl twin-charged. The most fuel-efficient configuration pairs the 2L 4-cyl turbo with a automatic (s8).
What is the fuel economy of the 2018 Volvo S90?
The most efficient configuration returns around 32 mpg (UK) combined, or 27 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 30 to 35 mpg. The plug-in hybrid version returns around 35 mpg (UK) combined.
How much does the 2018 Volvo S90 cost to fuel per year?
The US EPA estimates about $3,050 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2018 Volvo S90 have any recalls?
NHTSA lists no safety recall campaigns for the 2018 Volvo S90 as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2018 Volvo S90?
Among the 12 owner complaints filed with NHTSA, the most-reported areas are Electrical system (3 complaints), Unspecified (3 complaints), Latches/locks/linkages (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2018 Volvo S90 have?
EPA measures interior passenger volume at 102 cubic feet (about 2,888 litres) and luggage volume at 14 cubic feet (about 396 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.