Used 2018 BMW 4 Series for SaleNationwide

How much does the 2018 BMW 4 Series cost?

Prices have softened 3.77% compared to this time last year, making it a favorable time to shop this model year.

There are 914 listings available, which gives you a solid pool of options to compare.

Is the 2018 BMW 4 Series a good car?

Yes — the 2018 BMW 4 Series earns a 4.9/5 user rating, which points to strong owner satisfaction. Owners consistently praise its quality, performance, and luxury features, and they also like its smooth ride, sporty handling, and available tech such as navigation and the sound system. The overview also shows why it appeals if you want a premium two-door coupe or convertible that emphasizes style, performance, and equipment over sheer practicality. With 33.6% of listings marked as good or great deals, you still have room to shop selectively.

Is the 2018 BMW 4 Series reliable?

Owners rate it 4.9/5, a strong signal of long-term satisfaction.

Owner feedback highlights quality, smooth ride, and a generally trouble-free ownership experience, along with the kind of dependable performance buyers expect from a premium coupe or convertible. The same feedback also points to strong long-term appeal through its luxury features and sporty driving character.

For used buyers, the main long-term ownership risk is less about day-to-day satisfaction and more about making sure the specific car has been maintained well and checked carefully before you commit.

What should I look for when buying a used 2018 BMW 4 Series?

At 53.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from cars with prior damage. After that, prioritize a pre-purchase inspection, especially if you’re considering a convertible or a higher-mileage example. Focus your condition check on signs of past bodywork, interior wear, and whether the car’s premium features still work as expected.

Is now a good time to buy a used 2018 BMW 4 Series?

This is a moderate, selective buyer’s market, so you can shop patiently and still find worthwhile listings.

• Deal availability: 33.6% of listings are priced as good or great deals.
• Inventory: There are 914 listings available.
• Price trend: Prices have softened 3.77% compared with last year.
• Clean inventory: 53.2% of listings are accident-free.

If you find a listing below $17,216, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 BMW 4 Series's resale value?

The current average of $17,358 sits slightly below last year's $18,038.

That tells you the market has softened, which can make the car more attractive to buy now but may also limit short-term upside if you plan to resell soon. If you’re thinking like a future seller, the current pricing trend suggests you should buy carefully and focus on condition, mileage, and history so your car stands out later. Well-kept examples should hold up better than average because shoppers still respond to the model’s premium image and strong owner satisfaction.

Vehicles with strong owner satisfaction ratings, like this model year's 4.9/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 BMW 4 Series or consider a different year?

If you're weighing the 2018 against nearby model years, here's how to think about it:

Choose the 2018 if:

• 33.6% of listings are priced as good or great deals.
• At 53.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 3.77% compared with last year.
• Owners rate it 4.9/5 — a strong satisfaction signal.

The bottom line: The 2018 is a strong choice if you want a premium used 4 Series with solid owner satisfaction and a softer price than last year. If you’re more price-sensitive, you may want to compare nearby years and focus on the cleanest, best-maintained example rather than the newest badge alone.

How does the 2018 BMW 4 Series compare to the 2018 Audi A5?

These recommendations are based on CarGurus' proprietary market data from November 3, 2026, CarGurus experts' opinions, and generative AI.