Cadillac XTS vs Mercedes C-Class

The Cadillac XTS starts about $1,105 lower, carries more luggage and makes more power, while the Mercedes C-Class returns better fuel economy. Here is how the two compare on the numbers that decide most purchases.

Specification comparison between the Cadillac XTS and the Mercedes C-Class
MeasureCadillac XTSMercedes C-Class
Price rangeOriginal sticker prices across all trims.$45,295–$66,265$46,400–$66,900
Years covered2015–20192022
Fuel economyBest figure quoted across the range.28 mpg34 mpg
Power410 hp402 hp
Cargo space18 cu ft16.1 cu ft
Seats55
Fuel typesPetrolPHEV
DrivetrainsFWD, AWDRWD, AWD
Safety rating5 / 5 ★ (NHTSA)5 / 5 ★ (Euro NCAP)
Reliability6.2 / 10
Insurance (yr)$1,950 / yr (avg)
Resale value38% after 5 yrs
Recalls5 recalls (2022–2023)
Cadillac XTS
Full specs, every trim and owner reviews →
Mercedes C-Class
Full specs, every trim and owner reviews →

Cadillac XTS vs Mercedes C-Class: common questions

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

Yes — the Cadillac XTS has the lower entry price. The Cadillac XTS spans $45,295–$66,265 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 XTS or the Mercedes C-Class?

The Mercedes C-Class is more efficient, quoting 34 mpg against 28 mpg for the other.

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

The Cadillac XTS holds more, at 18 cubic feet versus 16.1.

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

It depends on what you weight most. The Cadillac XTS starts about $1,105 lower, carries more luggage and makes more power, while the Mercedes C-Class returns better fuel economy. 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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