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Cadillac CT5 vs Mercedes-Benz E-Class: Which to Buy

Carummah Editorial
Last updated: November 4, 2026
Cadillac CT5 vs Mercedes-Benz E-Class

Cadillac CT5 starts at $49,200; the Mercedes-Benz E-Class starts at $63,450. Before taxes and fees, the Cadillac CT5 is $13,905 less. Mercedes-Benz E-Class makes more power, 255 hp against 237 hp.

Frequently Asked Questions

Is the Cadillac CT5 or the Mercedes-Benz E-Class cheaper?

The Cadillac CT5 costs less to start. Cadillac CT5: $49,200 plus $1,495 destination. Mercedes-Benz E-Class: $63,450 plus $1,150 destination. Taxes, title and registration are on top of both.

Which gets better fuel economy, the Cadillac CT5 or the Mercedes-Benz E-Class?

The Cadillac CT5 is rated 23/33 city/hwy, and the Mercedes-Benz E-Class is rated 24/33 city/hwy. Real-world results depend on how and where you drive.

How many people does each seat?

The Cadillac CT5 seats 5. The Mercedes-Benz E-Class seats 5.

What are the trade-offs between the two?

Cadillac CT5: Stunning 33-inch 9K LED display is a class-leader, though interior materials in lower sections feel slightly budget-conscious. Mercedes-Benz E-Class: Industry-leading interior technology and screen integration, though steep price increase when adding desirable tech packages.

Cadillac CT5 is best for

Cadillac CT5 is the better fit for mid-size sedan buyers who commute daily. Its standout: stunning 33-inch 9K LED display is a class-leader.

Mercedes-Benz E-Class is best for

Mercedes-Benz E-Class is the better fit for mid-size luxury sedan buyers who want to carry a family. Its standout: industry-leading interior technology and screen integration.

Spec-by-Spec Comparison

AttributeCadillac CT5Mercedes-Benz E-Class
Starting MSRP$49,200$63,450
MSRP + destination$50,695$64,600
Fuel economy / range23/33 city/hwy24/33 city/hwy
Horsepower237 hp255 hp
Seating55
Body typeMid-Size SedanMid-Size Luxury Sedan
Powertrains2.0L Turbo, 3.0L Twin-Turbo V62.0L I4 Turbo with Mild Hybrid, 3.0L I6 Turbo with Mild Hybrid, Plug-in Hybrid (E 350e)

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