BMW2025 M340i xDrive Specs

2025 (G20) BMW M340i xDrive Specs & Performance

2025, 2026 (G20)

Tech Specs Summary


3 L Inline 6 Turbo MHEV

155 mph

4.3 seconds

386 hp

33.6 mpg

4 Doors

5 Seats

17 ft3
lb
3,880 lbs
Front - 4WD

Performance

Performance
Top Speed
155 mph
0-62 mph
4.3 seconds
0-60 mph
4.2 seconds
Power-to-Weight
10.05 lb/hp
Combined Power
386 hp
Combined Torque
398 lb·ft

Gas Mileage

Gas Mileage
Combined
33.6 mpg
WLTP Low
21.4 mpg
WLTP Medium
36.7 mpg
WLTP High
39.9 mpg
WLTP Extra-High
34.6 mpg
Total Range
524 Miles
Tailpipe CO2
256 g/Mile

Electric Powertrain - Mild Hybrid

Electric Powertrain - Mild Hybrid
Peak Power
11 hp
11 ps
Peak Output
8 kW
Peak Torque
148 lb·ft
200 N·m
Battery Size
0.4 kWh

Gasoline Engine - Mild Hybrid

Gasoline Engine - Mild Hybrid
Capacity
3 Liter
183 in3
Layout
Inline 6
Aspiration
Turbo
Peak Power
376 hp @ 5,200 RPM
381 ps @ 5,200 RPM
Peak Torque
398 lb·ft @ 1,900 RPM
540 N·m @ 1,900 RPM
Valvetrain
DOHC
Valves/Cylinder
4 (24v Total)
Fuel Delivery
Direct Injection
Position
Front Engine
Orientation
Longitudinal
Fuel
Gasoline
Fuel Tank Capacity
15.6 Gallons

More Engine Specs

More Engine Specs
Engine Name
B58B30
Compression Ratio
11:1
Bore x Stroke
3.228 x 3.724 in
Bore-Stroke Ratio
0.87:1
Under-Square
Specific Output
2.05 hp/in3
Power/Cylinder
63 hp
Cylinder Volume
30.5 in3
BMEP
328.3 PSI
22.6 Bar

Drivetrain & Chassis

Drivetrain & Chassis
Driven Wheels
4WD
Rear-biased Four-wheel Drive
Transmission (AT)
8 Speeds
Front Tyre Size
225/45R18 Y
Rear Tyre Size
255/40R18 Y
Front Suspension
MacPherson Strut
Rear Suspension
Multi-Link
Front Brakes
Vented Disc
Rear Brakes
Vented Disc

Dimensions & Practicality

Dimensions & Practicality
Body
Medium Sedan
Door Count
4
Seat Count
5
Luggage Space
17 ft3
Turning Radius
39.4 ft
Curb Weight
3,880 lbs
Gross Weight
5,104 lbs
Maximum Payload
1,224 lbs
Towing Capacity
1,653-3,968 lbs
Length
185.6 in
Width
71.9 in
Height
56.7 in
Wheelbase
112.2 in
Front Track
61.9 in
Rear Track
62.5 in
★★★★★
★★★★★
3.7

Performance Rating3.2
Environment Rating1.6
Practicality Rating2.8

Pros & Cons vs Rivals

Performance
Environment
Practicality
Luggage
City Driving
Road Trips

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2025 BMW M340i xDrive Rankings

Fastest BMWs #19 / 1.7K
Best 0-62 mph BMWs #89 / 1.7K
Top HP/cu in BMWs #119 / 1.6K
Top Power/Weight BMWs #146 / 1.7K
Quickest 0-62 Sedans #148 / 5K
Top BHP BMWs #198 / 1.7K
Fastest Sedans #208 / 5K
Top lb·ft BMWs #359 / 1.7K
Most Powerful Sedans #449 / 5K
Best MPG Hybrid #603 / 900+
Best MPG BMWs #817 / 1.7K
Quickest 0-62 mph #1,177 / 22.9K
Best MPG Sedans #1,596 / 5K
Fastest #1,764 / 22.9K
Most Powerful #2,086 / 22.9K
Best MPG #10,038 / 22.9K
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