Most efficient hybrid large cars, 2026 model year
For model year 2026 the data rates 8 hybrid large cars. The most efficient is Hyundai Sonata Hybrid at 51 MPG combined and the least efficient is Audi S8 at 18; the middle of the list sits at 25.5.
That is a spread of 33 MPG from first to last; the leader's rating is 2.8 times the last model's.
The largest step between neighbouring ranks comes after Honda Accord Hybrid, 3rd: the next model, BMW 7 Series Hybrid, is 20 MPG lower.
On annual fuel cost under the file's assumptions, Hyundai Sonata Hybrid is lowest at $1,300 and Audi S8 highest at $4,550; the median is $3,250.
By make: Audi (2), Honda (2), BMW (1), Genesis (1), 2 more with 2 models in all.
All 8 models ranked
Annual fuel cost in the file is based on 15,000 miles a year, 55% city and 45% highway driving, and the fuel prices that fueleconomy.gov published at the time of the release (the same prices for every model year).
| Rank | Model | Make | Combined MPG | Annual fuel cost | CO2 g/mile | Versions |
|---|---|---|---|---|---|---|
| 1 | Hyundai Sonata Hybrid | Hyundai | 51 | $1,300 | 175 | 2 |
| 2 | Honda Civic Hybrid | Honda | 49 | $1,350 | 181 | 2 |
| 3 | Honda Accord Hybrid | Honda | 48 | $1,400 | 184 | 2 |
| 4 | BMW 7 Series Hybrid | BMW | 28 | $2,950 | 317 | 3 |
| 5 | Mercedes-Benz S-Class Hybrid | Mercedes-Benz | 23 | $3,550 | 380 | 3 |
| 6 | Audi A8 Hybrid | Audi | 22 | $3,750 | 414 | 1 |
| 7 | Genesis G90 Hybrid | Genesis | 20 | $4,100 | 441 | 1 |
| 8 | Audi S8 | Audi | 18 | $4,550 | 502 | 1 |
Related rankings
- Most fuel-efficient large cars, 2026 models (25 models)
- Most efficient hybrid vehicles, 2026 models (88 models)
- Most efficient gasoline large cars, 2026 models (11 models)
- Most efficient hybrid midsize cars, 2026 models (9 models)
- Most efficient hybrid small SUVs, 2026 models (23 models)
- Most efficient hybrid standard SUVs, 2026 models (25 models)
Head-to-head comparisons
Each model is shown with its most efficient rated version. How the figures are prepared: methods and data.