BMW models ranked by fuel economy, 2026

For model year 2026 the data rates 23 BMW models. The most efficient is BMW i4 at 118 combined and the least efficient is BMW XM at 14; the middle of the list sits at 28.

That is a spread of 104 from first to last; the leader's rating is 8.4 times the last model's.

The largest step between neighbouring ranks comes after BMW i7, 4th: the next model, BMW 2 Series, is 57 lower.

On annual fuel cost under the file's assumptions, BMW i4 is lowest at $650 and BMW XM highest at $5,850; the median is $2,950.

By vehicle class: Standard SUVs (6), Subcompact cars (4), Compact cars (3), Large cars (3), 3 more with 7 models in all.

By powertrain: Hybrid (8), Gasoline (6), Plug-in hybrid (5), Electric (4).

MPGe is used for electric models: it is the electric equivalent of MPG, so the figures are comparable as energy efficiency.

Best combined rating of the most efficient BMW models for model year 2026.

All 23 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).

BMW models ranked by combined rating, model year 2026
Rank	Model	Vehicle class	Powertrain	Combined MPG	Annual fuel cost	CO2 g/mile	Versions
1	BMW i4	Compact cars	Electric	118	$650	0	7
2	BMW i5	Compact cars	Electric	110	$700	0	9
3	BMW iX	Standard SUVs	Electric	97	$800	0	11
4	BMW i7	Large cars	Electric	88	$850	0	8
5	BMW 2 Series	Subcompact cars	Gasoline	31	$2,650	279	7
6	BMW 3 Series Hybrid	Compact cars	Hybrid	31	$2,650	286	4
7	BMW 4 Series Hybrid	Subcompact cars	Hybrid	31	$2,650	285	12
8	BMW 5 Series Hybrid	Midsize cars	Hybrid	31	$2,650	285	3
9	BMW X3 Hybrid	Small SUVs	Hybrid	29	$2,850	299	2
10	BMW 7 Series Hybrid	Large cars	Hybrid	28	$2,950	317	3
11	BMW X1	Small SUVs	Gasoline	28	$2,950	311	2
12	BMW X2	Small SUVs	Gasoline	28	$2,950	314	2
13	BMW Z4	Two-seaters	Gasoline	28	$2,950	312	3
14	BMW 5 Series Plug-in hybrid	Midsize cars	Plug-in hybrid	25	$3,300	133	1
15	BMW X5 Hybrid	Standard SUVs	Hybrid	25	$3,300	360	4
16	BMW 7 Series Plug-in hybrid	Large cars	Plug-in hybrid	24	$3,400	130	1
17	BMW 8 Series	Subcompact cars	Gasoline	24	$3,400	368	9
18	BMW X6 Hybrid	Standard SUVs	Hybrid	23	$3,550	372	3
19	BMW X7 Hybrid	Standard SUVs	Hybrid	23	$3,550	387	3
20	BMW X5 Plug-in hybrid	Standard SUVs	Plug-in hybrid	22	$3,750	130	1
21	BMW M	Subcompact cars	Gasoline	19	$4,350	475	10
22	BMW M Plug-in hybrid	Midsize cars	Plug-in hybrid	14	$5,850	264	2
23	BMW XM	Standard SUVs	Plug-in hybrid	14	$5,850	263	1

Each model is shown with its most efficient rated version. How the figures are prepared: methods and data.