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Side-by-side verified model comparison

Mercedes-Benz E-Class vs BMW 3 Series

Mercedes-Benz E-Class and BMW 3 Series answer the same shopping question from different directions. The 3 Series is more efficient on verified EPA data, while the 3 Series reaches the higher power peak. Use the table below to decide whether your priority is fuel cost, safety, size or outright output.

At a glance

MetricMercedes-Benz E-ClassBMW 3 Series
Production coverage1953 - present1975 - present
Verified generations22
Peak power367 hp382 hp
Best EPA combined36 MPG41 MPG
Latest NHTSA overall5★5★
Open recalls (2023/2019)00
Latest dimensions4923 × 1852 × 1468 mm4709 × 1827 × 1435 mm
Average curb weight1733 kg (3821 lbs)1600 kg (3527 lbs)
Fuel typesPetrolPetrol

If fuel cost matters most

BMW 3 Series with up to 41 MPG combined.

If power matters most

BMW 3 Series with a verified peak of 382 hp.

If safety is the filter

They are effectively tied on this metric; use the table and generation links for context.

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Head-to-Head: Base Model Specifications

A detailed side-by-side comparison of the entry-level powertrain for the newest verified generation of each model. This shows exactly what you get before adding options or stepping up to premium trims.

SpecificationMercedes-Benz E-ClassE-Class W213 E 200BMW 3 Series3 Series G20 320i 2.0
Engine & Performance
Engine TypePetrolPetrol
Cylinders / ConfigurationI4I4
Displacement2.0L (1991 cc)2.0L (1998 cc)
AspirationTurbochargedTurbocharged
Horsepower184 hp184 hp
Torque300 Nm290 Nm
0-100 km/h (0-62 mph)7.7 s7.1 s
Top Speed240 km/h235 km/h
Transmission & Drivetrain
TransmissionAutomaticAutomatic
Gears98
DrivetrainRWDRWD
Fuel Economy & Range
City MPG (EPA)30.0 MPG35.0 MPG
Highway MPG (EPA)43.0 MPG47.0 MPG
Combined MPG (EPA)36.0 MPG41.0 MPG
Electric Range——
Battery Capacity——
CO₂ Emissions144 g/km139 g/km
Dimensions & Utility
Length4923 mm4709 mm
Width1852 mm1827 mm
Height1468 mm1435 mm
Wheelbase2939 mm2851 mm
Curb Weight1650 kg1500 kg
Doors / Seats4 / 54 / 5

What search winners do that generic comparisons don’t

The top-ranking comparison pages win because they answer an explicit buying job: which one is more efficient, which one is safer, which one is larger, which one has the broader powertrain range. Pages that only dump two brochures side by side rarely hold clicks.

This comparison uses the newest verified generation of each model as the headline lens, then routes you into the exact generation sheets for the trim-level details. That is more durable than comparing incentives or dealer inventory, and more trustworthy than hiding missing data behind a made-up score.

Questions buyers ask

Which is more fuel-efficient, the E-Class or the 3 Series?

BMW 3 Series wins on verified EPA combined economy at up to 41 MPG, versus 36 MPG for the Mercedes-Benz E-Class.

Which has more horsepower, the E-Class or the 3 Series?

BMW 3 Series reaches the higher verified peak at 382 hp, compared with 367 hp for the Mercedes-Benz E-Class.

Which is safer: E-Class or 3 Series?

Mercedes-Benz E-Class has a latest recorded NHTSA overall rating of 5★; BMW 3 Series has 5★. Cross-check the frontal, side and rollover rows rather than using one headline number alone.

Is this a trim-by-trim comparison?

This page compares the newest verified generation of each model family. For year-specific engines, dimensions and trim tables, open the linked generation pages for each side.

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Mercedes-Benz E-Class vs BMW 3 Series: Specs, MPG & Safety | Car Data Index