2026 head-to-head · Midsize Car
2026 Alfa Romeo Giulia vs Bentley Flying Spur 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 · 4.0L 8-cyl turbo · 8-speed dual-clutch · 46 MPGe + 19 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, the most efficient 2026 Alfa Romeo Giulia (27 MPG) costs about $2,194 a year to fuel and the 2026 Bentley Flying Spur Plug-in Hybrid (46 MPGe + 19 MPG) about $2,190.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Alfa Romeo Giulia
- Bentley Flying Spur Plug-in Hybrid
Side by side
| Alfa Romeo Giulia | Bentley Flying Spur Plug-in Hybrid | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,190 |
| 27 MPG | Combined efficiency | 46 MPGe + 19 MPG |
| 24 MPG | City | 43 MPGe / 17 MPG |
| 33 MPG | Highway | 51 MPGe / 22 MPG |
| — | Electricity use (kWh/100 mi) | 64 kWh |
| — | Driving range | 440 mi |
| — | All-electric range | 30 mi |
| 100 cu ft | Passenger volume | 102 cu ft |
| 12 cu ft | Cargo volume | 13 cu ft |
| 330 g/mi | Tailpipe CO₂ (g/mi) | 161 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 8/10 |
| — | Charge time at 240V | 3 hrs |
| Gas | Powertrain | Plug-in hybrid |
| Premium gasoline | Fuel | Premium gas + electricity |
| 2.0L 4-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 8-speed dual-clutch |
| RWD | 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.
Alfa Romeo Giulia vs Bentley Flying Spur Plug-in Hybrid across model years
- Alfa Romeo Giulia
- Bentley Flying Spur 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
Per EPA interior volume figures, the Bentley Flying Spur Plug-in Hybrid has more cargo space (13 vs. 12 cu ft).
Among 31 2026 midsize cars, the Alfa Romeo Giulia ranks 23rd and the Bentley Flying Spur Plug-in Hybrid 22nd for lowest fuel cost.
The powertrains differ: the Alfa Romeo Giulia is a conventional gas model, while the Bentley Flying Spur Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2026 Alfa Romeo Giulia or the 2026 Bentley Flying Spur Plug-in Hybrid?
Measured by cost to drive, the Bentley Flying Spur Plug-in Hybrid. The Alfa Romeo Giulia is rated 27 MPG combined and the Bentley Flying Spur Plug-in Hybrid 46 MPGe + 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Alfa Romeo Giulia vs. the Bentley Flying Spur Plug-in Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,194 for the Alfa Romeo Giulia and $2,190 for the Bentley Flying Spur Plug-in Hybrid.
Which has more cargo space?
The Bentley Flying Spur Plug-in Hybrid, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Alfa Romeo Giulia vs Bentley Flying Spur Plug-in Hybrid in other years
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