Most efficient hybrid midsize cars, 2026 model year
For model year 2026 the data rates 9 hybrid midsize cars. The most efficient is Toyota Prius Hybrid at 57 MPG combined and the least efficient is Audi RS Hybrid at 16; the middle of the list sits at 41.
That is a spread of 41 MPG from first to last; the leader's rating is 3.6 times the last model's.
The largest step between neighbouring ranks comes after Volvo S90 Hybrid, 8th: the next model, Audi RS Hybrid, is 12 MPG lower.
On annual fuel cost under the file's assumptions, Toyota Prius Hybrid is lowest at $1,200 and Audi RS Hybrid highest at $5,150; the median is $1,800.
By make: Toyota (3), Audi (1), BMW (1), Hyundai (1), 3 more with 3 models in all.
All 9 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 | Toyota Prius Hybrid | Toyota | 57 | $1,200 | 155 | 4 |
| 2 | Hyundai Elantra Hybrid | Hyundai | 54 | $1,250 | 165 | 2 |
| 3 | Toyota Camry Hybrid | Toyota | 51 | $1,300 | 173 | 5 |
| 4 | Lexus ES Hybrid | Lexus | 46 | $1,800 | 191 | 2 |
| 5 | Toyota Crown | Toyota | 41 | $1,650 | 214 | 2 |
| 6 | BMW 5 Series Hybrid | BMW | 31 | $2,650 | 285 | 3 |
| 7 | Mercedes-Benz E-Class Hybrid | Mercedes-Benz | 28 | $2,950 | 316 | 4 |
| 8 | Volvo S90 Hybrid | Volvo | 28 | $2,950 | 318 | 1 |
| 9 | Audi RS Hybrid | Audi | 16 | $5,150 | 545 | 2 |
Related rankings
- Most fuel-efficient midsize cars, 2026 models (31 models)
- Most efficient hybrid vehicles, 2026 models (88 models)
- Most efficient hybrid large cars, 2026 models (8 models)
- Most efficient gasoline midsize cars, 2026 models (14 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.