2026 Most and Least Efficient Cars
- Most Efficient Cars by EPA Size Class (including electric-drive vehicles)
- Most Efficient Cars by EPA Size Class (excluding electric-drive vehicles)
- Least Efficient Cars by EPA Size Class
| Most Efficient Cars by EPA Size Class (including electric vehicles) |
||
|---|---|---|
| EPA Class | Vehicle | Combined MPG |
| Two-Seaters | ||
| Two-Seaters | 51 | |
| Minicompacts | ||
| Minicompacts |
Bentley Continental GTC
4.0 L, 8 cyl, Automatic (AM-S8), Turbo PHEV
|
32 |
| Subcompacts | ||
| Subcompacts |
Bentley Continental GT
4.0 L, 8 cyl, Automatic (AM-S8), Turbo PHEV
|
32 |
| Compacts | ||
| Compacts |
Mercedes-Benz CLA250 Plus with EQ Tech (R22)
Automatic (A1) ACPM
|
126 |
| Midsize Cars | ||
| Midsize Cars |
Tesla Model 3 Premium RWD
Automatic (A1) ACPM
|
137 |
| Large Cars | ||
| Large Cars |
Lucid Air Pure RWD with 19 inch wheels
Automatic (A1) ACPM
|
146 |
| Small Station Wagons | ||
| Small Station Wagons |
Nissan LEAF 75kWh (18 inch steel Wheels)
Automatic (A1) AC 3-phase
|
121 |
| Midsize Station Wagons | ||
| Midsize Station Wagons |
Mercedes-Benz EQE 320 Plus (SUV)
Automatic (A1) ACPM
|
93 |
| Most Efficient Cars by EPA Size Class (excluding electric vehicles) |
||
|---|---|---|
| EPA Class | Vehicle | Combined MPG |
| Two-Seaters | ||
| Two-Seaters |
BMW Z4 sDrive30i
2.0 L, 4 cyl, Automatic (S8), Turbo
|
28 |
| Minicompacts | ||
| Minicompacts |
MINI Cooper C Convertible
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
|
30 |
|
MINI Cooper S Convertible
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
|
30 | |
|
MINI JCW Convertible
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
|
30 | |
| Subcompacts | ||
| Subcompacts |
MINI Cooper C 2 Door
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
|
32 |
|
MINI Cooper S 2 Door
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
|
32 | |
| Compacts | ||
| Compacts |
Toyota Corolla Hybrid
1.8 L, 4 cyl, Automatic (variable gear ratios)
|
50 |
| Midsize Cars | ||
| Midsize Cars |
Toyota Prius
2.0 L, 4 cyl, Automatic (variable gear ratios)
|
57 |
| Large Cars | ||
| Large Cars |
Hyundai Sonata Hybrid Blue
2.0 L, 4 cyl, Automatic (AM-S6)
|
51 |
| Small Station Wagons | ||
| Small Station Wagons |
Buick Envista
1.2 L, 3 cyl, Automatic 6-spd, Turbo
|
30 |
| Midsize Station Wagons | ||
| Midsize Station Wagons |
Honda CR-V FWD
2.0 L, 4 cyl, Automatic (variable gear ratios)
|
40 |
| Least Efficient Cars by EPA Size Class | ||
|---|---|---|
| EPA Class | Vehicle | Combined MPG |
| Two-Seaters |
Lamborghini Revuelto
6.5 L, 12 cyl, Automatic (AM-S8)
|
12 |
| Minicompacts |
Mercedes-Benz AMG SL55 4matic Plus
4.0 L, 8 cyl, Automatic 9-spd, Turbo
|
16 |
|
Mercedes-Benz AMG SL63 4matic Plus
4.0 L, 8 cyl, Automatic 9-spd, Turbo
|
16 | |
|
Mercedes-Benz SL680 Maybach
4.0 L, 8 cyl, Automatic 9-spd, Turbo
|
16 | |
| Subcompacts |
Ford Mustang Dark Horse
5.0 L, 8 cyl, Automatic (S10)
|
17 |
|
Ford Mustang Dark Horse
5.0 L, 8 cyl, Manual 6-spd
|
17 | |
| Compacts |
Ferrari Purosangue
6.5 L, 12 cyl, Automatic (AM8)
|
12 |
| Midsize Cars |
Cadillac CT5 V
6.2 L, 8 cyl, Automatic (S10), Supercharger
|
15 |
|
Cadillac CT5 V
6.2 L, 8 cyl, Manual 6-spd, Supercharger
|
15 | |
| Large Cars |
Rolls-Royce Ghost
6.7 L, 12 cyl, Automatic (S8), Turbo
|
14 |
|
Rolls-Royce Ghost Black Badge
6.7 L, 12 cyl, Automatic (S8), Turbo
|
14 | |
|
Rolls-Royce Ghost Extended
6.7 L, 12 cyl, Automatic (S8), Turbo
|
14 | |
|
Rolls-Royce Phantom
6.7 L, 12 cyl, Automatic (S8), Turbo
|
14 | |
|
Rolls-Royce Phantom Extended
6.7 L, 12 cyl, Automatic (S8), Turbo
|
14 | |
| Small Station Wagons |
Mercedes-Benz AMG GT 63 4matic Plus
4.0 L, 8 cyl, Automatic 9-spd, Turbo
|
17 |
| Midsize Station Wagons |
Audi RS 6 Avant
4.0 L, 8 cyl, Automatic (S8), Turbo
|
16 |