A4 vs C-Class
Few matchups in the compact luxury car class come up as often as the A4 against the C-Class. Neither car runs away with this one; most of the differences are small enough to shrug off.
At a glance
- Engine & Performance C-Class wins
- Fuel Economy & Range Tie
- Space & Practicality Tie
- Off-road & Towing Tie
- Engine & Performance3.1
- Fuel Economy & Range7.9
- Engine & Performance6.7
- Fuel Economy & Range7.6
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
-
The C-Class has 54 hp more power
When it comes to total system output, the C-Class wins comfortably with 255 hp against 201 hp. More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board.
-
The C-Class has 59 lb-ft more torque
It’s a lopsided result (295 lb-ft for the C-Class, 236 lb-ft for the A4) and one of the main reasons to choose between them. Electrified powertrains deliver torque instantly, so compare torque figures alongside the powertrain type.
Design & Size
Engine & Performance
C-Class leads
On engine & performance, the gap between these two is wide, and it favors the C-Class. Point to the C-Class for 54 hp more power. The C-Class’s extra output gives it more in reserve when you need to get up to speed. That makes the C-Class the natural choice for buyers focused on engine & performance.
Total system output
A4: 201 hp C-Class: 255 hp Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels.
Torque
A4: 236 lb-ft C-Class: 295 lb-ft More torque means stronger pulling from low speeds, which you feel when accelerating from a stop or climbing grades.
Fuel Economy & Range
Too close to call
On fuel economy & range, the A4 and the C-Class are effectively level. Don’t let fuel economy & range decide this one; look at the other sections instead.
Space & Practicality
Too close to call
Side by side, the space & practicality figures for the A4 and the C-Class barely differ. Either car will serve you equally well on space & practicality.
Off-road & Towing
Too close to call
This area ends level; whatever separates these two, it isn’t off-road & towing. The off-road & towing verdict: no winner, and no reason to worry either way.
Safety & Tech
The safety & tech entries below are descriptive rather than numeric. Read them side by side to see where the A4 and the C-Class part ways.
Full Specifications
Engine & Performance
| Spec | A4 | C-Class |
|---|---|---|
| Powertrain | Gas (12V mild hybrid) | Gas (48V mild hybrid) |
| Engine | 2.0L turbo I4 | 2.0L turbo I4 |
| Total system output | 201 hp | 255 hp (winner) |
| Torque | 236 lb-ft | 295 lb-ft (winner) |
| Transmission | 7-speed dual-clutch (S tronic) | 9-speed automatic |
| Drivetrain | AWD (quattro) | RWD (4MATIC AWD available) |
Fuel Economy & Range
| Spec | A4 | C-Class |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 29 mpg | 29 mpg |
| Fuel economy (city) | 26 mpg | 25 mpg |
| Fuel economy (highway) | 36 mpg | 35 mpg |
Space & Practicality
| Spec | A4 | C-Class |
|---|---|---|
| Seats | 5 seats | 5 seats |
Off-road & Towing
| Spec | A4 | C-Class |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | A4 | C-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 C-Class if…
- you want more power (255 hp vs 201 hp)
- you want more pulling power from low speeds (295 lb-ft vs 236 lb-ft of torque)
- you prefer staying with Mercedes-Benz
Also Compared
Frequently Asked Questions
Should I buy the A4 or the C-Class?
On the specs compared here, the C-Class makes more sense for most buyers; the A4 doesn’t win a single measurable area.
Executive Summary
Let’s set the logos aside for a minute. The A4 and the C-Class are close competitors, and their spec sheets tell an interesting story. For me, the deciding factor is that only the C-Class gives you 54 hp more power.
If your days lean on the things a spec sheet can’t capture, I’d pick the A4; if they lean on engine & performance, the C-Class.
My pick: the C-Class.
Personal opinion based on the data above. Your priorities may differ.