2025 Audi A7 vs. 2027 Mercedes-Benz E-Class

iSeeCars says the Audi A7's base engine makes 335 horsepower against the Mercedes-Benz E-Class's 255 hp, giving the A7 the maximum-range advantage at 579 highway miles versus the E-Class's 574, while the E-Class delivers higher fuel efficiency at 28 mpg average versus the A7's 25 and holds a slight reliability edge at 8.2 out of 10 versus the A7's 7.5, with the midsize E-Class offering more front-row interior volume and the large A7 offering more rear legroom and cargo space. TrueCar says the E-Class's $66,650 MSRP undercuts the A7's $73,295 by $6,645, a gap that stretches to $7,788 based on real-world average prices, while the E-Class also wins on fuel economy at 25 city/33 highway mpg versus the A7's 22 city/30 highway.

Which to choose, and why

335 hp for the A7, better reliability and mpg for the E-Class

iSeeCars (opens in a new tab) says the Audi A7's base engine makes 335 horsepower against the Mercedes-Benz E-Class's 255 hp, giving the A7 the maximum-range advantage at 579 highway miles versus the E-Class's 574, while the E-Class delivers higher fuel efficiency at 28 mpg average versus the A7's 25 and holds a slight reliability edge at 8.2 out of 10 versus the A7's 7.5, with the midsize E-Class offering more front-row interior volume and the large A7 offering more rear legroom and cargo space.

$6,645 to $7,788 cheaper, thriftier E-Class

TrueCar (opens in a new tab) says the E-Class's $66,650 MSRP undercuts the A7's $73,295 by $6,645, a gap that stretches to $7,788 based on real-world average prices, while the E-Class also wins on fuel economy at 25 city/33 highway mpg versus the A7's 22 city/30 highway.

Questions buyers ask

Which has more horsepower, the Audi A7 or Mercedes-Benz E-Class?

iSeeCars (opens in a new tab) says the A7, at 335 hp versus the E-Class's 255 hp.

Which is more reliable, the Audi A7 or Mercedes-Benz E-Class?

iSeeCars (opens in a new tab) rates the E-Class 8.2 out of 10 versus the A7's 7.5.

Side-by-side matrix

The published fields that can change the decision.

Audi A7: 1 records · Mercedes-Benz E-Class: 4 records.

Decision field	Audi A7	Mercedes-Benz E-Class
Exact EPA records	1	4
Model / option labels	1	4
Drive layouts	All-Wheel Drive	All-Wheel Drive, Rear-Wheel Drive
Engines / propulsion	3L 6-cyl SIDI; Mild Hybrid	2L 4-cyl SIDI; Mild Hybrid, 3L 6-cyl SIDI; Mild Hybrid
Transmissions	Automatic (AM-S7)	Automatic 9-spd
Fuel types	Premium	Premium
EPA classes	Midsize Cars	Midsize Cars, Midsize Station Wagons
Combined efficiency	25 MPG/MPGe	25–28 MPG/MPGe
Electric range	Not listed	Not listed
Annual fuel / energy estimate	$3200 per year	$2850–3200 per year

Head to head

Audi A7 vs. Mercedes-Benz E-Class: size, power, capability and price.

Measure	Audi A7	Mercedes-Benz E-Class
Starting price (KBB base)	$73,295	$66,350
Top trim price (KBB base)	$83,745	$81,150
Horsepower	n/a	255-375 hp
Torque	n/a	295-369 lb-ft
0 to 60 mph	5.2 sec	4.4-6.1 sec
Curb weight	4,343 lb	4,134-4,376 lb
Length	195.6 in	194.9 in
Wheelbase	115.2 in	116.6 in
Cargo volume	24.9 cu ft	12.7 cu ft
Seating	5 seats	5 seats
Basic warranty	4 years	4 years

Figures are ranges across each model’s trims from Kelley Blue Book records (2025 and 2027 model years); prices are KBB base prices.

The Mercedes-Benz E-Class starts $6,945 lower: $66,350 against $73,295 before options and fees.
The Mercedes-Benz E-Class is quicker to 60 mph: 4.4 sec against 5.2 sec.
The Mercedes-Benz E-Class is lighter, comparing lightest trims: 4,134 lb against 4,343 lb.
On length, the Audi A7 leads: 195.6 in against 194.9 in.
On wheelbase, the Mercedes-Benz E-Class leads: 116.6 in against 115.2 in.
On cargo volume, the Audi A7 leads: 24.9 cu ft against 12.7 cu ft.
Both list the same seating capacity: 5 seats.
Both list the same basic warranty: 4 years.

Background on each vehicle

What public sources say about the Audi A7 and the Mercedes-Benz E-Class.

2025 Audi A7

The Audi A7 is an executive five-door liftback produced by Audi since 2010. The coupé variant of the Audi A6 saloon/estate, the Audi A7 features a sloping roofline with a steeply raked rear window and integrated boot lid (forming the Sportback), and four frameless doors. A sport version called the S7 has been made since 2012, and a high-performance model called the RS 7 has been in production since 2013.

Safety: Asia The second generation A7 Sportback was launched in China in December 2018. In April 2021, an additional extended wheelbase three box sedan variant, called the A7L, was launched in China. The A7L is manufactured by SAIC-Volkswagen as one of the first Audi products to be produced by SAIC.

Source: Audi A7 (Wikipedia)

Recent recalls (1 campaign across the latest model years)

December 2025, Back Over Prevention: Sensing System: Camera. Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply… Consequence: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.

2027 Mercedes-Benz E-Class

The Mercedes-Benz E-Class is a range of executive cars manufactured by German automaker Mercedes-Benz in various engine and body configurations. Produced since September 1953, the E-Class falls as a midrange in the Mercedes line-up, and has been marketed worldwide across five generations. Before 1993, the E suffix in Mercedes-Benz model names referred to Einspritzmotor (German for fuel injection engine) when in the early 1970s fuel injection began to proliferate beyond its upper-tier luxury and sporting models.

Source: Mercedes-Benz E-Class (Wikipedia)

Open both dossiers

Resolve the exact engine, drive and EPA ID.

01 · 2025Audi A71 configurations →02 · 2027Mercedes-Benz E-Class4 configurations →

Comparison answer desk

13 answers for this exact pairing.

Q01Which is more efficient: the 2025 Audi A7 or the 2027 Mercedes-Benz E-Class?

Efficiency

The 2027 Mercedes-Benz E-Class lists the higher combined-efficiency midpoint in this snapshot (26.5 vs. the 2025 Audi A7's 25 MPG/MPGe).