Cadillac CT6 vs Mercedes C-Class

The Cadillac CT6 makes more power, while the Mercedes C-Class starts about $4,095 lower, returns better fuel economy and carries more luggage. Here is how the two compare on the numbers that decide most purchases.

Specification comparison between the Cadillac CT6 and the Mercedes C-Class
MeasureCadillac CT6Mercedes C-Class
Price rangeOriginal sticker prices across all trims.$50,495–$94,895$46,400–$66,900
Years covered2016–20202022
Fuel economyBest figure quoted across the range.31 mpg34 mpg
Power550 hp402 hp
Cargo space15.3 cu ft16.1 cu ft
Seats55
Fuel typesPetrolPHEV
DrivetrainsRWD, AWDRWD, AWD
Safety ratingNot rated5 / 5 ★ (Euro NCAP)
Reliability6.2 / 10
Insurance (yr)$1,950 / yr (avg)
Resale value38% after 5 yrs
Recalls5 recalls (2022–2023)
Cadillac CT6
Full specs, every trim and owner reviews →
Mercedes C-Class
Full specs, every trim and owner reviews →

Cadillac CT6 vs Mercedes C-Class: common questions

Is the Cadillac CT6 cheaper than the Mercedes C-Class?

No — the Mercedes C-Class has the lower entry price. The Cadillac CT6 spans $50,495–$94,895 and the Mercedes C-Class spans $46,400–$66,900, based on original sticker prices across all trims.

Which is more fuel efficient, the Cadillac CT6 or the Mercedes C-Class?

The Mercedes C-Class is more efficient, quoting 34 mpg against 31 mpg for the other.

Which has more cargo space, the Cadillac CT6 or the Mercedes C-Class?

The Mercedes C-Class holds more, at 16.1 cubic feet versus 15.3.

Which should I buy, the Cadillac CT6 or the Mercedes C-Class?

It depends on what you weight most. The Cadillac CT6 makes more power, while the Mercedes C-Class starts about $4,095 lower, returns better fuel economy and carries more luggage. Here is how the two compare on the numbers that decide most purchases. Cars4Real shows both cars' full trim tables, owner reviews, safety records and depreciation so you can judge against your own priorities rather than a generic verdict.

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