Used 2021 Cadillac CT4 for Sale nearLos Angeles, CA

How much does the 2021 Cadillac CT4 cost?

Prices have softened 6.98% compared to this time last year, making it a favorable time to shop this model year.

There are 300 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2021 Cadillac CT4 a good car?

The 2021 Cadillac CT4 stands out as a compact luxury sedan with a distinctly American personality. Its front-engine, rear-wheel-drive layout and stiff chassis give it a true sport-sedan feel, and its styling helps it look different from softer rivals.

For 2021, wireless Apple CarPlay and Android Auto were added, and forward-collision warning and automatic emergency braking became standard. That makes it easier to live with than the original launch version, while the available Super Cruise system adds appeal if you want more advanced highway assistance. The CT4 is strongest if you want a premium compact sedan that feels more driver-focused than many rivals, especially in sportier trims.

34.0% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2021 Cadillac CT4 reliable?

The 2021 Cadillac CT4 is presented as a compact luxury sedan with a broad range of character, from the base turbocharged 2.0-liter engine to the available 2.7-liter turbo four-cylinder. Its rear-drive layout and stiff chassis support the kind of driving feel many shoppers want in this segment.

The CT4’s appeal is strongest if you want a premium compact sedan that feels more driver-focused than many rivals, and the 2021 updates improved day-to-day usability. For long-term ownership, you should still plan carefully around maintenance and condition, since a used luxury sedan can become costly if prior care was inconsistent.

What should I look for when buying a used 2021 Cadillac CT4?

At 74.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report on any CT4 you’re seriously considering and confirm whether prior damage was repaired properly. Put extra inspection priority on body panels, paint match, alignment, and any signs of uneven wear or repair work. Focus on overall condition and documentation, since a clean-looking listing can still hide past issues.

Is now a good time to buy a used 2021 Cadillac CT4?

This looks like a moderate market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 34.0% of listings are priced as good or great deals.
• Inventory: There are 300 listings available.
• Price trend: Prices have softened 6.98% compared with last year.
• Clean inventory: 74.7% of listings are accident-free.

If you find a listing below $24,985, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Cadillac CT4's resale value?

The current average of $24,985 sits slightly below last year's $26,860.

That price movement suggests the CT4 has softened enough to help you buy more affordably today, but it also means future resale may depend heavily on how well you preserve the car. If you keep mileage reasonable and maintenance records organized, you’ll be in a better position when it’s time to sell. A clean history and strong condition should matter more than ever in a market where prices have already eased.

Should I buy a 2021 Cadillac CT4 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 34.0% of listings are priced as good or great deals.
• At 74.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 6.98% compared with last year.

Consider the 2020 if:

• At $24,408, the 2020 costs less than the current year's $24,985 average.
• It offers a lower entry price with strong personality and multiple powertrain choices.

The bottom line:
The 2021 is the better primary pick if you want the newer feature set and a more polished ownership experience. If your priority is saving money upfront, the 2020 is the better secondary path, especially if you find one in strong condition with the right equipment.

How does the 2021 Cadillac CT4 compare to the 2021 BMW 3 Series?

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.