Used 2018 BMW 3 Series for Sale near Piscataway, NJ

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 $12,904
• 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 experience without the high price tag. It's the best value trim in the lineup.

• Avg. market price: $12,904 (updated weekly)
• MPG/MPGe: 24 city / 35 hwy
• Inventory: 323 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. It's a solid choice for winter driving.

• Avg. market price: $13,315 (updated weekly)
• MPG/MPGe: 23 city / 34 hwy
• Inventory: 333 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. It's the most popular trim in the lineup.

• Avg. market price: $14,894 (updated weekly)
• MPG/MPGe: 24 city / 34 hwy
• Inventory: 607 listings
• 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-wheel drive. It's ideal for those who drive in varied conditions.

• Avg. market price: $16,709 (updated weekly)
• MPG/MPGe: 23 city / 33 hwy
• Inventory: 605 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 a diesel option with all-wheel drive for better fuel efficiency. It's a unique choice in the lineup.

• Avg. market price: $17,370 (updated weekly)
• MPG/MPGe: 30 city / 40 hwy
• Inventory: 38 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. It's a great choice for eco-conscious drivers.

• Avg. market price: $14,123 (updated weekly)
• MPG/MPGe: 66 city / 78 hwy
• Inventory: 78 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 going for the top trim. It's a solid performance option.

• Avg. market price: $25,454 (updated weekly)
• MPG/MPGe: 21 city / 32 hwy
• Inventory: 56 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 a high-performance sedan with all-wheel drive. It's perfect for those who prioritize power and handling.

• Avg. market price: $28,696 (updated weekly)
• MPG/MPGe: 21 city / 31 hwy
• Inventory: 86 listings — lower availability; may limit negotiating room
• View 340i xDrive Sedan AWD listings

Trim Recommendations

Most Popular — 330i Sedan RWD

With 607 active listings, the 330i Sedan RWD is the clear volume leader in the lineup.

Browse 330i Sedan RWD listings

Best Budget Option — 320i Sedan RWD

At $12,904 avg market price — below the lineup median of $15,801 — 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 2, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 BMW 3 Series cost?

Prices have softened 8.56% compared to this time last year, making it a favorable time to shop this model year.

There are 1,189 listings available, which suggests solid inventory for comparison shopping.

If you find a listing below $14,750.51, that's toward the low end of the year-round range and worth acting on quickly.

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 compact luxury sedan that prioritizes driving enjoyment. For you, that means this model makes the most sense if you want a premium-feeling daily driver with a sporty character rather than a flashy cabin-first experience. 32.1% of listings are priced as good or great deals, which gives you 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 car that feels dependable in day-to-day use, with praise centered on smooth operation and enjoyable driving manners. At the same time, some owners mention concerns around the tire sensor and the absence of a spare tire, so you should pay attention to maintenance history and wear items. For used buyers, the main long-term ownership risk is that a premium sedan can become expensive if prior care was inconsistent.

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

At 57.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you get serious about any listing, especially if the price looks unusually attractive. A pre-purchase inspection should focus on accident repairs, tire condition, sensor warnings, and signs of deferred maintenance. Because the cabin can feel tight and ownership costs can add up, you should also judge each car by overall condition rather than mileage alone.

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

This is a moderate buyer’s market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 32.1% of listings are priced as good or great deals.
• Inventory: There are 1,189 listings available.
• Price trend: Prices have softened 8.56% compared with last year.
• Clean inventory: 57.8% of listings are accident-free.

If you find a listing below $14,750.51, 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 $15,191 sits slightly below last year's $16,613.

That softer pricing can help you buy more carefully now, but it also means future resale will depend heavily on how well you preserve the car. If you keep mileage reasonable, maintain service records, and avoid accident history, you should be in a better position when it is time to sell. Strong condition matters especially here because shoppers in this segment tend to compare many similar listings before making a decision.

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:

• 32.1% of listings are priced as good or great deals.
• At 57.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.56% compared with last year.
• Owners rate it 4.53/5 — a strong satisfaction signal.

Consider the 2019 if:

• At $20,634, the 2019 costs more than the current year's $15,191 average.
• BMW adds a more advanced software experience.

The bottom line: You should start with the 2018 if you want the better value and are willing to shop carefully for condition and history. If you want to spend more for a newer model with a more advanced software experience, the 2019 is the better secondary path.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.