A6 e-tron vs E-Class
The A6 e-tron and the E-Class are aimed squarely at each other: same class, different badges. This is less a contest than a fine-tuning exercise: both cover the same ground, with only a few meaningful gaps.
At a glance
- Engine & Performance A6 e-tron wins
- Space & Practicality Tie
- Off-road & Towing Tie
Key Differences
-
The A6 e-tron has 120 hp more power
The A6 e-tron’s 375 hp leaves the E-Class’s 255 hp well behind, so if this spec matters to you, the choice is easy. More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board.
Design & Size
Engine & Performance
A6 e-tron leads
On engine & performance, the gap between these two is wide, and it favors the A6 e-tron. The A6 e-tron stands out with 120 hp more power. Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels. Prioritize engine & performance, and the A6 e-tron is where you should land.
Total system output
A6 e-tron: 375 hp E-Class: 255 hp The A6 e-tron’s extra output gives it more in reserve when you need to get up to speed.
Space & Practicality
Too close to call
Both the A6 e-tron and the E-Class cover space & practicality equally well on paper. Neither car gives you a reason to choose it on space & practicality.
Off-road & Towing
Too close to call
On paper, the off-road & towing comparison ends all square. In short, off-road & towing is a draw; the decision lies elsewhere.
Safety & Tech
The A6 e-tron and the E-Class differ on safety & tech in ways that are described rather than measured. The table has the details.
Full Specifications
Engine & Performance
| Spec | A6 e-tron | E-Class |
|---|---|---|
| Powertrain | Electric | Gas (48V mild hybrid) |
| Engine | Single rear electric motor | 2.0L turbo I4 |
| Total system output | 375 hp (winner) | 255 hp |
| Torque | N/A (not specified) | 295 lb-ft |
| Transmission | 1-speed direct drive | 9-speed automatic |
| Drivetrain | RWD (quattro AWD available) | RWD (4MATIC AWD available) |
Fuel Economy & Range
| Spec | A6 e-tron | E-Class |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | N/A (not specified) | 28 mpg |
| Fuel economy (city) | N/A (not specified) | 25 mpg |
| Fuel economy (highway) | N/A (not specified) | 33 mpg |
Space & Practicality
| Spec | A6 e-tron | E-Class |
|---|---|---|
| Seats | 5 seats | 5 seats |
Off-road & Towing
| Spec | A6 e-tron | E-Class |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | A6 e-tron | E-Class |
|---|---|---|
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Which One Should You Buy?
Choose the A6 e-tron if…
- you merge, overtake or climb hills with a full load (375 hp vs 255 hp)
- you’re loyal to Audi and happy with it
Choose the E-Class if…
- you trust Mercedes-Benz and want to keep things familiar
Also Compared
Frequently Asked Questions
Should I buy the A6 e-tron or the E-Class?
On the specs compared here, the A6 e-tron makes more sense for most buyers; the E-Class doesn’t win a single measurable area.
Executive Summary
Audi makes the A6 e-tron, Mercedes-Benz makes the E-Class, and both want the same spot on your shortlist. Here’s where I land. My main argument for the A6 e-tron? It comes with 120 hp more power.
Match the strength to your habits (engine & performance for the A6 e-tron, the things a spec sheet can’t capture for the E-Class), and you won’t go far wrong.
My pick: the A6 e-tron.
Personal opinion based on the data above. Your priorities may differ.