2021 Mercedes-Benz E-Class All Terrain mpg

Combined mpg, CLA 250 Coupe

25mpg

Miles a yearGas, $ a gallon

12,000 miles a year. Gas $3.20.

81 sedans (2021), one trim per model: the cheapest with a rating. Median 26 mpg.

2021 Mercedes-Benz E-Class All Terrain mpg by trim
Trim	Engine	Drive	City mpg	Hwy mpg	Combined	Tank, gal	Miles per tank	Cost a year
E-Class E 450 4MATIC AWD	3.0L 6cyl	AWD	23	30	26	21.1	549	$1,477
E-Class E 450 RWD	3.0L 6cyl	RWD	23	31	26	N/A	N/A	$1,477
CLA 250 Coupe	2.0L	N/A	22	30	25	N/A	N/A	$1,536
AMG CLA 35 4MATIC Coupe	2.0L	AWD	22	29	25	N/A	N/A	$1,536
E-Class E 350 RWD	2.0L 4cyl	RWD	22	31	25	17.4	435	$1,536
E-Class E 350 4MATIC AWD	2.0L 4cyl	AWD	22	30	25	17.4	435	$1,536
E-Class E 450 4MATIC AWD	3.0L 6cyl	AWD	23	30	25	21.1	528	$1,536
E-Class E 450 Cabriolet 2D RWD	3.0L 6cyl	RWD	23	30	25	N/A	N/A	$1,536
E-Class E 450 4MATIC Cabriolet 2D AWD	3.0L 6cyl	AWD	23	29	25	21.1	528	$1,536
E-Class E 450 4MATIC AWD	3.0L 6cyl	AWD	22	28	24	21.1	506	$1,600
AMG CLA 45 4MATIC Coupe	2.0L	AWD	22	29	23	N/A	N/A	$1,670

Fuel cost

CLA 250 Coupe, 25 mpg combined.

Best mpg: E-Class E 450 4MATIC AWD, 26 mpg. $1,477 a year.
Top trim: E-Class E 450 4MATIC Cabriolet 2D AWD. $1,536 a year. Same as the CLA 250 Coupe.

Miles one wayDays a week

CLA 250 Coupe. 20 miles each way, 5 days a week.

Is 25 mpg good? Yes. Beats 58% of 2026 cars.

E-Class All Terrain: combined mpg of the cheapest rated trim, 2021 to 2026.

2021 Mercedes-Benz E-Class All Terrain and rivals
Car	Cheapest trim	Combined mpg	Compare
2021 Mercedes-Benz E-Class All Terrain	CLA 250 Coupe	25 mpg
2021 Lexus ES	350 FWD	26 mpg
2021 Alfa Romeo Giulia	RWD	27 mpg	Compare
2021 Audi A4	40 TFSI Premium AWD	27 mpg
2021 Lexus IS	300 RWD	25 mpg	Compare
2021 Volvo S60	T5 Momentum FWD	27 mpg
2021 BMW 3 Series	330i RWD	30 mpg

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.