What Are the 10 Most Efficient Electric Cars?

What Car Shoppers Need to Know

• Being an efficient electric vehicle means traveling the same distance using less energy, which can mean a smaller and lighter battery.
• The most efficient EV in March 2026 is the 2026 Lucid Air Pure.

What if a gas-powered car were marketed only with range estimates instead of an efficiency rating such as mpg? Well, that’s mostly been the case with electric vehicles. Instead of mpg, the EPA estimates a kilowatt-hours rating showing how much power is used to travel 100 miles; the lower the number, the better, which is how we ranked this list of the top 10 most efficient EVs.

The agency also approximates EV efficiency relative to gas-powered cars using an mpg-equivalent rating formula. These formulas and ratings can be confusing to consumers who are first-time EV shoppers, but this list will help illustrate the different ways EVs can be compared in terms of efficiency, as well as show features that impact an efficiency rating.

Below are the most efficient EVs on sale now, as well as their range, mpg-e rating and pricing. Many of these models have been fairly consistent in appearing among the top EPA ratings from year to year, though there are some newcomers for 2026. Notably, most of this year’s additions are models from mainstream brands, though the list does consist mostly of vehicles from luxury brands. As always, your mileage may vary.

Related: Electric Cars With the Longest Range

Top 10 Most Efficient EVs (Energy Use Per 100 Miles)

1. 2026 Lucid Air Pure rear-wheel drive with 19-inch wheels: 23 kWh
2. 2026 Tesla Model 3 Rear-Wheel Drive with 18-inch wheels: 24 kWh (tie)
3. 2026 Tesla Model Y Rear-Wheel Drive with 18-inch wheels: 24 kWh (tie)
4. 2026 Toyota bZ XLE with Front-Wheel Drive Plus: 26 kWh
5. 2026 Mercedes-Benz CLA250+ With EQ Technology RWD with 22-inch wheels: 27 kWh (tie)
6. 2026 Tesla Model S All-Wheel Drive with 19-inch wheels: 27 kWh (tie)
7. 2026 Nissan Leaf S+ FWD with 18-inch steel wheels: 28 kWh (tie)
8. 2026 Subaru Solterra Premium AWD: 28 kWh (tie)
9. 2026 Lexus RZ 350e FWD with 20-inch wheels: 28 kWh (tie)
10. 2026 BMW i4 Gran Coupe eDrive40 RWD with 18-inch wheels: 29 kWh

1. 2026 Lucid Air Pure RWD With 19-Inch Wheels

• Energy use: 23 kWh per 100 miles
• Miles per kWh: 4.35
• Combined fuel-economy rating: 146 mpg-e
• Range for this version: 420 miles
• Price: $72,400 (including $1,500 destination fee)
• Shop for a 2026 Lucid Air

The base trim of Lucid’s luxury sedan takes the title as the most efficient electric car on sale now, using only 23 kWh per 100 miles traveled. A heat pump now comes standard across the Air lineup, which helps boost its efficiency to the top of the charts. All four Lucid Air configurations have excellent power and range, even the blistering 1,234-horsepower Air Sapphire that’s rated at 427 miles. You can get just about the same range with the base Pure at 420 miles for nearly four times less. Adding 20-inch wheels lowers its efficiency to 26 kWh per 100 miles, 3.85 miles per kWh, 372 miles of range and 129 mpg-e.

2. 2026 Tesla Model 3 Rear-Wheel Drive With 18-Inch Wheels

• Energy use: 24 kWh per 100 miles
• Miles per kWh: 4.2
• Combined fuel-economy rating: 139 mpg-e
• Range for this version: 321 miles
• Price: $38,380 (including $1,390 destination fee)
• Shop for a 2026 Tesla Model 3

For 2026, the Model 3 Standard RWD is the most efficient and affordable version of the compact sedan. It’s cheaper than 2025’s version by $5,500, and it’s one of the best bangs for the buck on the market in terms of overall efficiency. For around $10,000 more, you can get the Premium AWD trim, which adds another motor, but it only loses a hair of efficiency, down to 26 kWh per 100 miles, 3.85 miles per kWh, 346 miles of range and 128 mpg-e.

3. 2026 Tesla Model Y Rear-Wheel Drive With 18-Inch Wheels

• Energy use: 24 kWh per 100 miles
• Miles per kWh: 4.2
• Combined fuel-economy rating: 138 mpg-e
• Range for this version: 321 miles
• Price: $41,380 (including $1,390 destination fee)
• Shop for a 2026 Tesla Model Y

The Tesla Model Y’s base RWD variant is new for 2026, sliding in the lineup under last year’s efficiency champ, the Long Range RWD. Compared to the Model 3, the Model Y’s taller hunchback shape adds more room inside, but it also eats away at aero. The Premium AWD variant has a range of 327 miles and uses 27 kWh per 100 miles, while the top Performance AWD is blisteringly quick, but efficiency falls to 32 kWh per 100 miles.

4. 2026 Toyota bZ XLE With Front-Wheel Drive Plus

• Energy use: 26 kWh per 100 miles
• Miles per kWh: 3.8
• Combined fuel-economy rating: 131 mpg-e
• Range for this version: 314 miles
• Price: $39,350 (including $1,450 destination fee)
• Shop for a 2026 Toyota bZ

The Toyota bZ is refreshed for the 2026 model year with styling updates and powertrain improvements. This hatchback, which shares a platform and engineering with the Subaru Solterra, is most efficient in its Front-Wheel Drive Plus configuration, which adds $3,000 to the bottom line and 78 more miles of range than the standard FWD configuration. This is why the bZ is significantly more efficient than the Solterra, which is only available with AWD. The bZ is also available with AWD in both base XLE and upgraded Limited trims, and in its top Limited AWD configuration, the bZ drops to 117 mpg-e with 278 miles of range.

5. 2026 Mercedes-Benz CLA250+ With EQ Technology With 22-Inch Wheels

• Energy use: 27 kWh per 100 miles
• Miles per kWh: 3.7
• Combined fuel-economy rating: 126 mpg-e
• Range for this version: 374 miles
• Price: $48,600 (including $1,350 destination fee)
• Shop for a 2026 Mercedes-Benz CLA250

The Mercedes-Benz CLA small sedan is redesigned for 2026 and adds EV models to the lineup alongside the gas-only versions. Of the two EV trims, 250+ and 350, the former is more efficient by 8 mpg-e. The “EQ Technology” in the trim name sounds fancy, but it merely designates that the car is based on Mercedes’ current electric platform. The version here is RWD, though the CLA is also available in 350 trim with Mercedes’ 4Matic AWD system for $2,550 more, which drops efficiency to 29 kWh per 100 miles and a range of 312 miles.

6. 2026 Tesla Model S All-Wheel Drive With 19-Inch Wheels

• Energy use: 27 kWh per 100 miles
• Miles per kWh: 3.7
• Combined fuel-economy rating: 124 mpg-e
• Range for this version: 410 miles
• Price: $96,380 (including $1,390 destination fee)
• Shop for a 2026 Tesla Model S

The full-size sedan that helped launch Tesla’s mass-produced EV ambitions has aged somewhat gracefully, though it pales in luxuriousness and efficiency to the Lucid Air and is being discontinued after the 2026 model year. There are two Model S trims on deck for 2026: the base trim detailed here and the performance-oriented Plaid. Efficiency for the Plaid suffers significantly in pursuit of Tesla’s claim of a 1.99-second 0-60 mph time, dropping to 110 mpg-e and 31 kWh per 100 miles.

7. 2026 Nissan Leaf S+ FWD With 18-Inch Steel Wheels

• Energy use: 28 kWh per 100 miles
• Miles per kWh: 3.6
• Combined fuel-economy rating: 121 mpg-e
• Range for this version: 303 miles
• Price: $31,535 (including $1,545 destination fee)
• Shop for a 2026 Nissan Leaf

Thanks to a full redesign, the 2026 Leaf is poised to recapture some of its former glory. It’s competitively priced, impressively efficient and, well, normal-looking by current standards. We have something new here, a rating for not just size of wheel, but type. In case you’ve ever wondered how much wheels affect efficiency, the Leaf finally shows us that compared to 18-inch alloy wheels, steel wheels save 7 mpg-e and add 15 miles of range. According to the EPA, those differences add up to $50 a year in energy costs.

8. 2026 Subaru Solterra Premium AWD

• Energy use: 28 kWh per 100 miles
• Miles per kWh: 3.6
• Combined fuel-economy rating: 120 mpg-e
• Range for this version: 288 miles
• Price: $39,945 (including $1,450 destination fee)
• Shop for a 2026 Subaru Solterra

The Subaru Solterra is redesigned for 2026 and shares its platform with the aforementioned Toyota bZ. Unlike the bZ, the Solterra comes standard with AWD, which is a Subaru signature feature but accounts for the Solterra’s hit to efficiency. Still, AWD makes the Solterra one of the better EVs for shoppers who might occasionally venture off-road. It’s not as capable as Subaru’s gas and hybrid vehicles, of course, but it features selectable drive modes that help the Solterra adapt to different conditions. The Solterra is also available with 20-inch wheels, which eat up 3 mpg-e and 10 miles of range.

9. 2026 Lexus RZ 350e FWD With 20-Inch Wheels

• Energy use: 28 kWh per 100 miles
• Miles per kWh: 3.6
• Combined fuel-economy rating: 120 mpg-e
• Range for this version: 284 miles
• Price: $50,635 (including $1,295 destination fee)
• Shop for a 2026 Lexus RZ 350e

The Lexus RZ is a luxury crossover with posh features and Toyota’s great EV technology. It also happens to be a current example of how tricky it can be to compare and track down the most efficient configuration of any EV. There are some disparities between the EPA ratings for the Lexus RZ and Lexus’ trim availability and specs. For consistency, we used the EPA’s most efficient rated model, the 350e FWD with 20-inch wheels, though Lexus also offers a version with 18-inch wheels, which is not included in the EPA ratings at this time.

10. 2026 BMW i4 eDrive40 Gran Coupe RWD With 18-Inch Wheels

• Energy use: 29 kWh per 100 miles
• Miles per kWh: 3.4
• Combined fuel-economy rating: 118 mpg-e
• Range for this version: 333 miles
• Price: $59,250 (including $1,350 destination fee)
• Shop for a 2026 BMW i4

BMW’s electric sedan carries into its fifth year with few changes. The base 335-hp single-motor RWD version has an efficiency rating of 29 kWh per 100 miles that trails only a few electric luxury sedans. The i4 is available with an AWD variant, which drops range to 287 miles and mpg-e to 101. BMW also offers a high-performance M version, rated for 98 mpg-e.

How Is EV Efficiency Calculated?

As mentioned above, the EPA uses a kWh rating to show how much power an EV uses to travel 100 miles. If an EV uses only 30 kWh of battery power per 100 miles, then it is more efficient than a car that uses 40 kWh of power. Invert the efficiency formula and it shows miles per kWh, like mpg: The 30-kWh car goes 3.3 miles per kWh, while the 40-kWh car only gets 2.5 miles per kWh. This metric better jibes with what’s shown on range meters when you’re driving an EV.

The EPA’s mpg-e rating formula says that 33.7 kWh of electric energy is equal to 1 gallon of gas. The mpg-e rating is far from perfect, but at least it’s a standard applied equally and one that shoppers of plug-in cars can compare against gas-powered cars.

It’s important to note that fuel economy diminishes with larger tire and wheel packages. Oftentimes, the most efficient EV is the base trim level because it’s lighter and rolls on smaller tires with less contact friction with the road. It’s also common for certain trim levels of some models to be marketed as faster or higher-performance versions, such as Tesla’s Plaid models or Hyundai’s N models, and these are typically less efficient as a trade-off for better acceleration or sportier handling. For this reason, the EPA rankings often include different versions of the same model. This way, consumers are better informed exactly which trim levels and configurations are the most efficient of any given model lineup.

More on EVs From Cars.com:

• What Are the Hidden Costs of Owning an Electric Car?
• How Much Does It Cost to Charge an Electric Car?
• What to Know Before Purchasing an Electric Vehicle: A Buying Guide
• EV 101: A Video Guide to Electric Vehicles
• Should I Buy an Electric Car or Plug-In Hybrid?
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