Used 2021 Cadillac CT4 for Sale nearMemphis, TN

How much does the 2021 Cadillac CT4 cost?

Prices have softened 8.27% compared to this time last year, making it a favorable time to shop this model year.

There are 312 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 plus automatic emergency braking became standard. That makes it easier to live with than the original launch version, especially if you want a premium compact sedan that feels more driver-focused than many alternatives.

The CT4’s appeal is strongest if you value style, technology, and rear-drive dynamics over maximum practicality. 34.9% 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. It also gained useful everyday tech for 2021, including wireless smartphone integration and standard automatic emergency braking.

That combination suggests a car that can be appealing if you want a premium small sedan with modern convenience and a sporty personality. For used buyers, long-term ownership risk is best managed by focusing on maintenance history and overall condition, since luxury features and turbocharged hardware can be costly if neglected.

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

At 73.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you commit, then prioritize a pre-purchase inspection so you can catch hidden bodywork, suspension, or electronic issues. Focus closely on condition, because a clean-looking listing can still hide past damage or deferred maintenance.

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

This looks like a moderate, selective buyer’s market, so you can shop patiently and still find worthwhile options.

• Deal availability: 34.9% of listings are priced as good or great deals.
• Inventory: There are 312 listings available.
• Price trend: Prices have softened 8.27% compared with last year.
• Clean inventory: 73.4% of listings are accident-free.

If you find a listing below $25,208, 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 $25,223 sits slightly below last year's $27,497.

That price movement suggests the CT4 has softened enough to create a more favorable entry point for buyers today. For a future seller, that also means resale value may depend heavily on condition, mileage, and how well the car is equipped, since the market is currently pricing the model below where it was a year ago.

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:

• 34.9% of listings are priced as good or great deals.
• At 73.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.27% compared with last year.

Consider the 2020 if:

• At $24,072, the 2020 costs less than the current year's $25,223 average.
• It offers a lower-priced, more performance-focused take on the CT4.

The bottom line: If you want the better-balanced buy, the 2021 is the stronger primary choice because it adds useful tech and standard safety equipment while still sitting below last year’s pricing. If your priority is saving money upfront, the 2020 is the better secondary path, especially if you can live with its rougher edges.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.