How much does the 2018 BMW 4 Series cost?

Prices have softened 4.31% compared to this time last year, making it a favorable time to shop this model year.

There are 892 listings available, which suggests you have a reasonable amount of inventory to compare.

If you find a listing below $17,213.54, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2018 BMW 4 Series a good car?

Yes — owners give it 4.92/5, which is a strong sign that it delivers on what shoppers want. Reviewers consistently praise its quality, performance, and luxury features, and they also call out the smooth ride and sporty handling. The variety of features, including the sound system and navigation, adds to its appeal if you want a premium coupe, convertible, or Gran Coupe with a more distinctive look than a typical luxury sedan. With 28.0% of listings marked as good or great deals, you also have some room to shop selectively.

Is the 2018 BMW 4 Series reliable?

Owners rate it 4.92/5, a strong signal of long-term satisfaction.

The owner feedback points to a car that feels quality-built, dependable, and enjoyable to live with over time. That matters if you want a used luxury car you can count on for daily driving, especially when the car’s appeal depends on both performance and refinement. For used buyers, the main long-term ownership risk is less about the ownership experience itself and more about making sure you choose a well-kept example.

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

At 49.4% 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 are considering a convertible or a higher-mileage car. Focus on overall condition, signs of repair quality, and whether the car’s equipment and interior still match the premium feel you expect.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully without feeling rushed.

• Deal availability: 28.0% of listings are priced as good or great deals.
• Inventory: There are 892 listings available.
• Price trend: Prices have softened 4.31% compared with last year.
• Clean inventory: 49.4% of listings are accident-free.

If you find a listing below $17,213.54, 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 $17,625 sits slightly below last year's $18,418.

That price movement suggests the market has become a bit softer, which can matter if you plan to sell later. A lower current average can make the car easier to buy now, but it also means future resale gains may be more limited unless your example stands out for condition, mileage, or equipment. Strong presentation and a clean history will matter more if you want to protect value down the road.

Vehicles with strong owner satisfaction ratings, like this model year's 4.92/5, 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:

• 28.0% of listings are priced as good or great deals.
• At 49.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 4.31% compared with last year.
• Owners rate it 4.92/5 — a strong satisfaction signal.

The bottom line: The 2018 is a strong choice if you want the combination of style, premium feel, and buyer satisfaction that defines this generation, especially if you can find a clean example with a solid history. If you are especially price-sensitive, you may want to compare nearby years and focus on the best-maintained car rather than the newest badge, since condition and deal quality matter more than a small model-year difference.

These recommendations are based on CarGurus' proprietary market data from August 28, 2026, CarGurus experts' opinions, and generative AI.