2026 · Compact Car · Hybrid

2026 BMW 3 Series Hybrid MPG & fuel economy

The 2026 BMW 3 Series Hybrid is a compact car offered in 4 EPA-rated configurations. The most efficient version returns 31 MPG combined (28 city / 35 highway) on premium gasoline. Across the lineup, combined ratings range from 29 to 31 MPG. Efficiency is unchanged from the 2025 model. Among 21 compact cars rated for 2026, it ranks 13th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $1,911 a year to fuel.

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Combined 31 MPG 28 MPG city · 35 MPG hwy

Driving range — not published for this model

Your fuel cost $1,911 15,000 mi/yr · $12.74 per 100 mi

Class rank, 2026 #13 of 21 Compact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2026 BMW 3 Series Hybrid's fuel average is 13.2 km/L (7.6 L/100 km), or 31 MPG combined: 11.9 km/L in the city and 14.9 km/L on the highway.

	MPG	km/L	L/100 km
City	28	11.9	8.4
Highway	35	14.9	6.7
Combined	31	13.2	7.6

How it ranks among 2026 Compact Cars

Full class ranking →

1Mercedes-Benz CLA-Class EV126 MPGe $729
2BMW i4118 MPGe $769
3BMW i5110 MPGe $826
4Toyota Corolla Hybrid50 MPG $930
5Porsche Taycan93 MPGe $977
···
13BMW 3 Series Hybrid31 MPG $1,911
···
21Toyota Mirai72 MPGe $7,500

2026 3 Series HybridOther compact carsClass median: $1,368/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

3 Series Hybrid MPG across model years

Full history →

4 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 2.0L 4-cyl turbo · 8-speed automatic 330i Sedan	Hybrid	28 MPG	35 MPG	31 MPG	—	$1,911
AWD · 2.0L 4-cyl turbo · 8-speed automatic 330i xDrive Sedan	Hybrid	26 MPG	34 MPG	29 MPG	—	$2,043
RWD · 3.0L 6-cyl turbo · 8-speed automatic M340i Sedan	Hybrid	27 MPG	33 MPG	29 MPG	—	$2,043
AWD · 3.0L 6-cyl turbo · 8-speed automatic M340i xDrive Sedan	Hybrid	26 MPG	33 MPG	29 MPG	—	$2,043

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 2.0L 4-cyl turbo
Transmission: 8-speed automatic
Drivetrain: RWD
Passenger volume: 94 cu ft
Cargo volume: 13 cu ft
Tailpipe CO₂: 286 g/mi
EPA fuel economy score: 6/10
EPA greenhouse gas score: 6/10

2026 BMW 3 Series Hybrid vs. rivals

vs Mercedes-Benz C-Class Hybrid 29 MPG · $2,043/yr 3 Series Hybrid saves $132/yr vs Mercedes-Benz CLA-Class Hybrid 30 MPG · $1,975/yr 3 Series Hybrid saves $64/yr vs Genesis G70 24 MPG · $2,469/yr 3 Series Hybrid saves $557/yr vs Cadillac CT4 26 MPG · $2,279/yr 3 Series Hybrid saves $368/yr vs Mercedes-Benz CLA-Class 23 MPG · $2,576/yr 3 Series Hybrid saves $665/yr vs Lexus IS 22 MPG · $2,693/yr 3 Series Hybrid saves $782/yr vs Volkswagen GLI 29 MPG · $1,603/yr GLI saves $308/yr vs Volkswagen Jetta 34 MPG · $1,368/yr Jetta saves $544/yr

Compare the 2026 3 Series Hybrid

With any other car from any year, including other 3 Series Hybrid model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2026 BMW 3 Series Hybrid?

Up to 31 MPG combined (28 city / 35 highway); ratings range from 29 to 31 MPG depending on configuration.

What fuel does the 2026 BMW 3 Series Hybrid use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2026 BMW 3 Series Hybrid?