Used 2018 BMW 3 Series for Sale nearMarietta, GA

Compare 2018 BMW 3 Series Trims in Marietta, GA

The 2018 BMW 3 Series offers a range of trims from budget-friendly options to performance-oriented models, catering to various preferences and needs.

• Starting at $7,495
• Best MPG/MPGe: 66 city / 78 hwy
• Most Popular: 330i Sedan RWD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

Missing data displayed as "—".

Trim Deep Dives

320i Sedan RWD — "Who It's For"

The 320i Sedan RWD is the pick for shoppers who want a luxury sedan experience without the higher price tag.

• Avg. market price: $10,998 (updated weekly)
• MPG/MPGe: 24 city / 35 hwy
• Inventory: 59 listings
• View 320i Sedan RWD listings

320i xDrive Sedan AWD — "Who It's For"

The 320i xDrive Sedan AWD is the pick for shoppers who want all-wheel drive capability without paying for a higher trim.

• Avg. market price: $7,495 (updated weekly)
• MPG/MPGe: 23 city / 34 hwy
• Inventory: 41 listings
• View 320i xDrive Sedan AWD listings

330i Sedan RWD — "Who It's For"

The 330i Sedan RWD is the pick for shoppers who want a well-rounded luxury sedan with a balance of performance and features.

• Avg. market price: $12,279 (updated weekly)
• MPG/MPGe: 24 city / 34 hwy
• Inventory: 114 listings — widest selection in the lineup
• View 330i Sedan RWD listings

330i xDrive Sedan AWD — "Who It's For"

The 330i xDrive Sedan AWD is the pick for shoppers who want sporty performance combined with all-weather capability.

• Avg. market price: $14,737 (updated weekly)
• MPG/MPGe: 23 city / 33 hwy
• Inventory: 70 listings
• View 330i xDrive Sedan AWD listings

328d xDrive Sedan AWD — "Who It's For"

The 328d xDrive Sedan AWD is the pick for shoppers who want diesel efficiency and all-wheel drive for better traction.

• Avg. market price: $14,737 (updated weekly)
• MPG/MPGe: 30 city / 40 hwy
• Inventory: 12 listings — lower availability; may limit negotiating room
• View 328d xDrive Sedan AWD listings

330e iPerformance Sedan RWD — "Who It's For"

The 330e iPerformance Sedan RWD is the pick for shoppers who want a hybrid option with excellent fuel economy.

• Avg. market price: $13,995 (updated weekly)
• MPG/MPGe: 66 city / 78 hwy
• Inventory: 9 listings — lower availability; may limit negotiating room
• View 330e iPerformance Sedan RWD listings

340i Sedan RWD — "Who It's For"

The 340i Sedan RWD is the pick for shoppers who want a powerful engine and luxury features in a sporty package.

• Avg. market price: $25,999 (updated weekly)
• MPG/MPGe: 21 city / 32 hwy
• Inventory: 18 listings — lower availability; may limit negotiating room
• View 340i Sedan RWD listings

340i xDrive Sedan AWD — "Who It's For"

The 340i xDrive Sedan AWD is the pick for shoppers who want top-tier performance and all-wheel drive for enhanced handling.

• Avg. market price: $29,950 (updated weekly)
• MPG/MPGe: 21 city / 31 hwy
• Inventory: 15 listings — lower availability; may limit negotiating room
• View 340i xDrive Sedan AWD listings

Trim Recommendations

Most Popular — 330i Sedan RWD

With 114 active listings, the 330i Sedan RWD is the clear volume leader in the lineup.

Browse 330i Sedan RWD listings

Best Budget Option — 320i xDrive Sedan AWD

At $7,495 avg market price — below the lineup median of $14,366 — it's the most accessible entry point.

Browse 320i xDrive Sedan AWD listings

Best for Fuel Economy — 330e iPerformance Sedan RWD

With an impressive 66 city / 78 hwy MPG/MPGe, the 330e is the most fuel-efficient option.

Browse 330e iPerformance Sedan RWD listings

These recommendations are based on CarGurus' proprietary market data from October 15, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 BMW 3 Series cost?

Prices have softened 5.69% compared to this time last year, making it a favorable time to shop this model year.

There are 1,191 listings available, which suggests you have a solid pool of cars to compare.

Is the 2018 BMW 3 Series a good car?

Yes — the 4.53/5 user rating points to strong owner satisfaction. Owners consistently praise the performance, ride quality, powerful acceleration, and smooth handling, which fits a sedan that is meant to feel engaging as well as premium. The 2018 BMW 3 Series also makes sense if you want a compact luxury sedan with a practical side, since it offers a broad range of engines and drivetrains. With 33.6% of listings marked as good or great deals, there is still room to find a compelling buy.

Is the 2018 BMW 3 Series reliable?

Owners rate it 4.53/5, a strong signal of long-term satisfaction.

The owner feedback points to a car that many drivers enjoy living with, especially when it comes to performance and ride quality. Mentions of dependable acceleration and smooth handling suggest a model that can feel reassuring in daily use, while the broader satisfaction score supports the idea that many owners have had a positive long-term experience. For used buyers, the main ownership risk is less about the driving experience and more about making sure the specific car has been maintained well enough to avoid expensive surprises.

What should I look for when buying a used 2018 BMW 3 Series?

At 56.3% 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 thorough pre-purchase inspection, especially on the suspension, tires, electronics, and any signs of uneven wear or repair work. Because this model can be expensive to own, condition matters more than usual, so focus on service records and overall maintenance quality before you commit.

Is now a good time to buy a used 2018 BMW 3 Series?

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

• Deal availability: 33.6% of listings are priced as good or great deals.
• Inventory: There are 1,191 listings available.
• Price trend: Prices have softened 5.69% compared with last year.
• Clean inventory: 56.3% of listings are accident-free.

If you find a listing below $14,800, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 BMW 3 Series's resale value?

The current average of $15,030 sits slightly below last year's $15,937.

That decline suggests the market has already adjusted downward, which can make the car easier to buy now but also means future resale gains may be limited if prices stay soft. If you plan to sell later, buying well matters because your eventual return will depend heavily on how much room you leave between purchase price and market value. Strong condition and documented maintenance should help protect value better than a neglected example.

Vehicles with strong owner satisfaction ratings, like this model year's 4.53/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 BMW 3 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 56.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 5.69% compared with last year.
• Owners rate it 4.53/5 — a strong satisfaction signal.

Consider the 2019 if:

• At $20,214, the 2019 costs more than the current year's $15,030 average.
• It adds a more advanced software experience.

The bottom line: The 2018 is the better primary choice if you want the stronger value proposition and a wider pool of listings to compare. If you are more price-sensitive, the 2018 gives you the better entry point into the 3 Series formula, while the 2019 makes sense only if you are willing to pay more for the newer-generation update.

These recommendations are based on CarGurus' proprietary market data from October 20, 2026, CarGurus experts' opinions, and generative AI.