2018 head-to-head · Midsize Car
2018 BMW 5 Series Diesel vs Volvo S90 Plug-in Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 30 MPG
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 71 MPGe + 29 MPG
The 2018 Volvo S90 Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,649 a year to fuel (71 MPGe + 29 MPG), versus $1,850 for the 2018 BMW 5 Series Diesel (30 MPG). That's roughly $201 a year, or about $1,005 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW 5 Series Diesel
- Volvo S90 Plug-in Hybrid
Side by side
| BMW 5 Series Diesel | Volvo S90 Plug-in Hybrid | |
|---|---|---|
| $1,850 | Your annual fuel cost | $1,649 |
| 30 MPG | Combined efficiency | 71 MPGe + 29 MPG |
| 26 MPG | City | 70 MPGe / 26 MPG |
| 36 MPG | Highway | 72 MPGe / 33 MPG |
| — | Electricity use (kWh/100 mi) | 45 kWh |
| — | Driving range | 410 mi |
| — | All-electric range | 21 mi |
| 99 cu ft | Passenger volume | 102 cu ft |
| 14 cu ft | Cargo volume | 14 cu ft |
| 341 g/mi | Tailpipe CO₂ (g/mi) | 161 g/mi |
| 7/10 | EPA fuel economy score | 9/10 |
| 5/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 3 hrs |
| Diesel | Powertrain | Plug-in hybrid |
| Diesel | Fuel | Premium gas + electricity |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
BMW 5 Series Diesel vs Volvo S90 Plug-in Hybrid across model years
- BMW 5 Series Diesel
- Volvo S90 Plug-in Hybrid
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 74 2018 midsize cars, the BMW 5 Series Diesel ranks 36th and the Volvo S90 Plug-in Hybrid 33rd for lowest fuel cost.
The powertrains differ: the BMW 5 Series Diesel is a diesel, while the Volvo S90 Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2018 BMW 5 Series Diesel or the 2018 Volvo S90 Plug-in Hybrid?
Measured by cost to drive, the Volvo S90 Plug-in Hybrid. The BMW 5 Series Diesel is rated 30 MPG combined and the Volvo S90 Plug-in Hybrid 71 MPGe + 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 BMW 5 Series Diesel vs. the Volvo S90 Plug-in Hybrid per year?
At 15,000 miles a year with $3.70/gal diesel fuel, 18¢/kWh electricity and $3.95/gal premium gas, about $1,850 for the BMW 5 Series Diesel and $1,649 for the Volvo S90 Plug-in Hybrid.
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