Herb Chambers BMW of Boston
2026 BMW M3
Now available at Herb Chambers BMW of Boston in Boston, MA
- Starting MSRP$83,500
- Horsepower503–523 hp
- EPA MPG16 city / 23 hwy
- DrivetrainRear Wheel Drive / All Wheel Drive

The 2026 BMW M3 brings high-output inline-six performance, sedan practicality and a choice of rear-wheel drive or all-wheel drive to shoppers at Herb Chambers BMW of Boston in Boston, MA. This page gives shoppers a clear look at the M3’s trim pricing, performance figures, dimensions, efficiency, configuration and key comparisons, with ways to explore new inventory and begin the purchase process through the dealership.
- Starting MSRP
- $83,500
- Horsepower
- 503–523 hp
- EPA MPG
- 16 city / 23 hwy
- Seating
- 5 seats
- Drivetrain
- Rear Wheel Drive / All Wheel Drive
- Fuel
- Premium Unleaded (Required)
- Body Style
- Sedan
How the 2026 BMW M3 Compares With Competitors
Pricing, power, efficiency and drivetrain help define how the M3 fits among premium sport sedans. Its starting MSRP is $83,500, excluding tax, title, registration and dealer fees.
| Spec | 2026 BMW M3 | 2026 Mercedes-Benz C-Class | 2026 Lexus IS | 2026 Genesis G70 |
|---|---|---|---|---|
| Starting MSRP | $83,500 | $49,650 | $45,500 | $42,850 |
| Horsepower | 503–523 hp | 255–416 hp | 311 hp | 300–368 hp |
| EPA MPG | 16 city / 23 hwy | 19–25 city / 27–35 hwy | 19 city / 27 hwy | 17 city / 23 hwy |
| Seating | 5 seats | 5 seats | 5 seats | 5 seats |
| Drivetrain | Rear Wheel Drive / All Wheel Drive | Rear Wheel Drive / All Wheel Drive | Rear Wheel Drive | Rear Wheel Drive / All Wheel Drive |
| Fuel | Premium Unleaded (Required) | Premium Unleaded (Required) | Premium Unleaded (Required) | Premium Unleaded (Required) |
Manufacturer figures for the model year shown; a range spans that model's trims. Starting MSRP excludes tax, title, registration, and dealer fees.
The 2026 BMW M3 starts at $83,500 and offers 503–523 horsepower, 16 city MPG and 23 highway MPG, with rear-wheel drive or all-wheel drive. The 2026 Mercedes-Benz C-Class starts at $49,650 with 255–416 horsepower and 19–25 city / 27–35 highway EPA MPG, favoring shoppers focused on a lower starting price and broader efficiency range.
The 2026 BMW M3 provides 503–523 horsepower and rear-wheel drive or all-wheel drive, while the 2026 Lexus IS starts at $45,500 with 311 horsepower, 19 city MPG, 27 highway MPG and rear-wheel drive. The Lexus may suit shoppers seeking a lower entry price and a simpler rear-wheel-drive configuration, while the M3 emphasizes higher output and available all-wheel drive.
The 2026 BMW M3 starts at $83,500 and delivers 503–523 horsepower with 16 city MPG and 23 highway MPG. The 2026 Genesis G70 starts at $42,850 with 300–368 horsepower, 17 city MPG and 23 highway MPG, favoring buyers comparing lower pricing and similar highway economy against the M3’s greater power range.
Specifications and Configuration
The 2026 BMW M3 is a five-seat sedan powered by a 3.0-liter inline-six engine with 2,993 cc of displacement. It uses an eight-speed automatic transmission, requires premium unleaded fuel and produces 479 lb-ft of torque, with peak power at 6,250 rpm and peak torque at 2,750 rpm.
Across the model’s trims, horsepower ranges from 503 to 523 hp, while drivetrain choices include rear-wheel drive and all-wheel drive. The Competition trim starts at $83,500 with 503 hp and rear-wheel drive; Competition xDrive starts at $88,600 with 523 hp and all-wheel drive.
The M3 reaches 60 mph in 3.8 seconds, returns 16 city MPG and 23 highway MPG, and has a 15.6-gallon fuel capacity. Its 16.9 cu ft of cargo space behind the rear seats supports everyday sedan utility.
Exterior dimensions include 189.1 inches of length, 74.3 inches of width, 56.6 inches of height and a 112.5-inch wheelbase. Width with mirrors is 81.4 inches, and curb weight is 3,891 pounds.
Buying a 2026 BMW M3 in Boston
Herb Chambers BMW of Boston serves BMW shoppers at 1168 Commonwealth Avenue, Boston, MA 02134. The store receives vehicles on a rolling basis, so shoppers can use the search inventory link for current new-vehicle listings.
For questions about the 2026 BMW M3, contact Herb Chambers BMW of Boston at (617) 271-2376. A trade-in can be started through the dealership’s trade-in tool, helping shoppers consider their current vehicle as part of the purchase process.
What to Weigh Before Buying
Trim selection changes both performance and drivetrain. Competition pairs 503 hp with rear-wheel drive, while Competition xDrive raises output to 523 hp and adds all-wheel drive.
Fuel planning matters because premium unleaded is required. The M3’s 16 city MPG, 23 highway MPG and 15.6-gallon fuel capacity are useful figures to consider alongside its 3.8-second 0-60 time.
The sedan balances performance with five-passenger seating and 16.9 cu ft of cargo space behind the rear seats. Shoppers should also compare the M3’s dimensions, curb weight and desired drivetrain with how they expect to use the vehicle in Boston and beyond.