Used 2018 BMW 3 Series for Sale nearNew Haven, CT

Compare 2018 BMW 3 Series Trims

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

• Starting at $12,137
• Best MPG/MPGe: 66 city / 78 hwy
• Most Popular: 330i xDrive Sedan AWD

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 budget-friendly entry into the luxury sedan market without sacrificing essential features.

• Avg. market price: $12,137 (updated weekly)
• MPG/MPGe: 24 city / 35 hwy
• Inventory: 328 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 a significant price increase over the base model.

• Avg. market price: $13,507 (updated weekly)
• MPG/MPGe: 23 city / 34 hwy
• Inventory: 338 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 balance of performance and luxury without stepping up to the higher trims.

• Avg. market price: $14,946 (updated weekly)
• MPG/MPGe: 24 city / 34 hwy
• Inventory: 620 listings
• View 330i Sedan RWD listings

328d Sedan RWD — "Who It's For"

The 328d Sedan RWD is the pick for shoppers who want diesel efficiency and luxury features in a compact sedan.

• Avg. market price: $17,730 (updated weekly)
• MPG/MPGe: 31 city / 43 hwy
• Inventory: 39 listings — lower availability; may limit negotiating room
• View 328d 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 and premium features.

• Avg. market price: $16,507 (updated weekly)
• MPG/MPGe: 23 city / 33 hwy
• Inventory: 624 listings
• View 330i 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 and luxury features.

• Avg. market price: $14,445 (updated weekly)
• MPG/MPGe: 66 city / 78 hwy
• Inventory: 76 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 without the added weight of AWD.

• Avg. market price: $25,965 (updated weekly)
• MPG/MPGe: 21 city / 32 hwy
• Inventory: 53 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-weather capability in a luxury sedan.

• Avg. market price: $28,383 (updated weekly)
• MPG/MPGe: 21 city / 31 hwy
• Inventory: 88 listings — lower availability; may limit negotiating room
• View 340i xDrive Sedan AWD listings

Trim Recommendations

Most Popular — 330i xDrive Sedan AWD

With 624 active listings, the 330i xDrive Sedan AWD is the clear volume leader in the lineup.

Browse 330i xDrive Sedan AWD listings

Best Budget Option — 320i Sedan RWD

At $12,137 avg market price — below the lineup median of $15,726 — it's the most accessible entry point.

Browse 320i Sedan RWD listings

Best for Fuel Economy — 330e iPerformance Sedan RWD

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

Browse 330e iPerformance Sedan RWD listings

These recommendations are based on CarGurus' proprietary market data from September 12, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 BMW 3 Series cost?

Prices have softened 7.52% compared to this time last year, making it a favorable time to shop this model year.

There are 1,192 listings available, which suggests you have a solid amount of inventory to compare.

Is the 2018 BMW 3 Series a good car?

Yes — the 2018 BMW 3 Series earns a 4.53/5 user rating, which points to strong owner satisfaction. Owners consistently praise the performance, powerful acceleration, and smooth handling, and many also like the ride quality. For you, that means this model fits best if you want a driver-focused compact luxury sedan with a premium feel and a businesslike character. The 32.5% share of good or great deals also gives you some room to shop selectively.

Is the 2018 BMW 3 Series reliable?

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

The owner feedback also points to a dependable ownership experience, with many drivers describing the car as enjoyable over time thanks to its smooth handling and strong performance. That said, the 3 Series is still a complex luxury car, so long-term ownership risk can rise if maintenance history is incomplete or deferred.

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

At 58.6% 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 on a car with higher mileage or limited service records. Focus on overall condition, maintenance consistency, and any signs that the car has been used hard or repaired poorly.

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 patiently and still find worthwhile listings.

• Deal availability: 32.5% of listings are priced as good or great deals.
• Inventory: There are 1,192 listings available.
• Price trend: Prices have softened 7.52% compared with last year.
• Clean inventory: 58.6% of listings are accident-free.

If you find a listing below $14,745, 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 $15,206 sits slightly below last year's $16,443.

That softer pricing can help you buy at a more favorable point, but it also means future resale gains may be limited if the market stays soft. If you plan to sell later, condition and documentation will matter more because buyers in this segment tend to compare closely on history and upkeep. A well-kept example should still hold attention better than a neglected one.

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:

• 32.5% of listings are priced as good or great deals.
• At 58.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 7.52% compared with last year.
• Owners rate it 4.53/5 — a strong satisfaction signal.

Consider the 2019 if:

• At $20,714, the 2019 costs more than the current year's $15,206 average.
• It brings a more modern software experience.

The bottom line: If you want the better value, the 2018 is the stronger starting point because it combines a lower average price with solid owner satisfaction and meaningful deal availability. If you care more about the newer model's updated software and are willing to pay a premium, the 2019 is the better alternative. For most price-sensitive buyers, the 2018 is the smarter buy.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.