2025 Audi A4 vs. 2026 Cadillac CT4

Car Chomper says the most significant numerical discrepancy between the 2025 Audi A4 and the 2026 Cadillac CT4 is MSRP, with the Audi commanding a premium of $8,500, starting at $44,100 compared to the Cadillac's $35,600, a difference partially justified by the Audi's higher base-trim performance at 261 hp and 273 lb-ft versus the CT4's base 237 hp and 258 lb-ft, though both sedans achieve an identical combined fuel-economy rating of 26 mpg, with the A4 using standard all-wheel drive versus the CT4's rear-wheel drive. Hutchinson Cadillac notes the Audi A4 has been discontinued for 2026, and while the A4 offers a single engine across its configurations, the 2026 Cadillac CT4 lineup offers two four-cylinder engine options, topping out with a 2.7-liter dual-volute turbocharged four making 310 hp and 350 lb-ft, reaching 60 mph in 4.8 seconds versus the A4's 5.2 seconds.

Which to choose, and why

$8,500 cheaper, with a single engine choice

Car Chomper (opens in a new tab) says the most significant numerical discrepancy between the 2025 Audi A4 and the 2026 Cadillac CT4 is MSRP, with the Audi commanding a premium of $8,500, starting at $44,100 compared to the Cadillac's $35,600, a difference partially justified by the Audi's higher base-trim performance at 261 hp and 273 lb-ft versus the CT4's base 237 hp and 258 lb-ft.

Standard AWD versus rear-wheel drive

Car Chomper (opens in a new tab) says both sedans achieve an identical combined fuel-economy rating of 26 mpg, with the A4 using standard all-wheel drive versus the CT4's rear-wheel drive.

The A4 is discontinued; the CT4 tops out at 310 hp

Hutchinson Cadillac (opens in a new tab) notes the Audi A4 has been discontinued for 2026, and while the A4 offers a single engine across its configurations, the 2026 Cadillac CT4 lineup offers two four-cylinder engine options, topping out with a 2.7-liter dual-volute turbocharged four making 310 hp and 350 lb-ft, reaching 60 mph in 4.8 seconds versus the A4's 5.2 seconds.

Questions buyers ask

Is the Audi A4 discontinued?

Hutchinson Cadillac (opens in a new tab) says yes, discontinued for 2026.

What is the most powerful Cadillac CT4 engine?

Hutchinson Cadillac (opens in a new tab) says a 2.7-liter dual-volute turbocharged four making 310 hp and 350 lb-ft.

Side-by-side matrix

The published fields that can change the decision.

Audi A4: 3 records · Cadillac CT4: 8 records.

Decision field	Audi A4	Cadillac CT4
Exact EPA records	3	8
Model / option labels	3	4
Drive layouts	All-Wheel Drive	All-Wheel Drive, Rear-Wheel Drive
Engines / propulsion	2L 4-cyl SIDI; Mild Hybrid	2.7L 4-cyl SIDI, 2L 4-cyl SIDI, 3.6L 6-cyl SIDI
Transmissions	Automatic (AM-S7)	Automatic (S10), Automatic (S8), Manual 6-spd
Fuel types	Premium	Premium
EPA classes	Compact Cars, Small Station Wagons	Compact Cars
Combined efficiency	26–29 MPG/MPGe	18–26 MPG/MPGe
Electric range	Not listed	Not listed
Annual fuel / energy estimate	$2750–3050 per year	$3050–4450 per year

Head to head

Audi A4 vs. Cadillac CT4: size, power, capability and price.

Measure	Audi A4	Cadillac CT4
Starting price (KBB base)	$43,295	$37,795
Top trim price (KBB base)	$52,595	$48,195
Horsepower	201-261 hp	237 hp
Torque	273 lb-ft	258 lb-ft
0 to 60 mph	5.2 sec	n/a
Curb weight	n/a	3,578-3,622 lb
Length	187.5 in	187.2 in
Wheelbase	111 in	109 in
Cargo volume	12 cu ft	10.7 cu ft
Seating	5 seats	5 seats
Basic warranty	4 years	4 years

Figures are ranges across each model’s trims from Kelley Blue Book records (2025 and 2026 model years); prices are KBB base prices.

The Cadillac CT4 starts $5,500 lower: $37,795 against $43,295 before options and fees.
On peak horsepower, the Audi A4 leads: 261 hp against 237 hp.
On peak torque, the Audi A4 leads: 273 lb-ft against 258 lb-ft.
On length, the Audi A4 leads: 187.5 in against 187.2 in.
On wheelbase, the Audi A4 leads: 111 in against 109 in.
On cargo volume, the Audi A4 leads: 12 cu ft against 10.7 cu ft.
Both list the same seating capacity: 5 seats.
Both list the same basic warranty: 4 years.

Background on each vehicle

What public sources say about the Audi A4 and the Cadillac CT4.

2025 Audi A4

The Audi A4 is a line of luxury compact executive cars produced from 1994 to 2025 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group. The A4 has been built in five generations and is based on the Volkswagen Group B platform. The first generation A4 succeeded the Audi 80.

Awards: Cars.com 2018 Luxury Car of the Year 2016 Best Premium Car - Fleet News Japan Car of the Year Award (Import Category - 2016) Kelly Blue Book Best Buy Award 2017 Motor Trend Car of the Year finalist 2017 What Car Car of the Year 2016

Source: Audi A4 (Wikipedia)

Safety. In the Euro NCAP safety and crash tests, the Audi B5 A4 received 3 stars for front- and side-impact protection, but the last star is flagged to indicate that the driver may be subjected to a high risk of chest injury in the side impact. Adult occupant = Pedestrian = (pre 2002 rating)

Performance. MMI system (Multi Media Interface) (multi-mode interface of driver information and entertainment systems); (3rd generation MMI expected in vehicles produced from week 22 of 2009).

NHTSA rated the 2025 Audi A4 overall 5 of 5 stars, front crash 4 of 5 stars, side crash 5 of 5 stars, rollover 5 of 5 stars.

Owners filed 2 complaints with NHTSA for the 2024 Audi A4, most often about tires (1), electrical system (1), air bags (1).

2026 Cadillac CT4

The Cadillac CT4 is a sedan manufactured and marketed by Cadillac. It replaced the Cadillac ATS sedan and sits below the CT5 in Cadillac's lineup. The CT4-V was unveiled on May 30, 2019, followed by the standard CT4 four months later.

Awards: The CT4-V Blackwing was named in Car and Driver's 10 Best List in 2022–2026.

Source: Cadillac CT4 (Wikipedia)

Owners filed 2 complaints with NHTSA for the 2025 Cadillac CT4, most often about unknown or other (1), vehicle speed control (1), forward collision avoidance (1).

Open both dossiers

Resolve the exact engine, drive and EPA ID.

01 · 2025Audi A43 configurations →02 · 2026Cadillac CT48 configurations →

Comparison answer desk

13 answers for this exact pairing.

Q01Which is more efficient: the 2025 Audi A4 or the 2026 Cadillac CT4?

Efficiency

The 2025 Audi A4 lists the higher combined-efficiency midpoint in this snapshot (27.5 vs. the 2026 Cadillac CT4's 22 MPG/MPGe).