2026 BMW 3 Series M340i
The 2026 BMW 3 Series M340i is a 386-hp electric with an 8-speed m steptronic and rear-wheel drive. It starts at $62,300 MSRP and is rated at 29 mpg combined.
It makes 386 horsepower at 5,200 rpm and 398 lb-ft of torque at 1900-4800 rpm, spinning to a 7,000 rpm redline. EPA fuel-economy estimates are 27 mpg city and 33 mpg highway (29 mpg combined).
The 3 Series measures 185.9 inches long on a 112.5-inch wheelbase and has a curb weight of 3,896 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $62,300 |
| MSRP with Destination | $63,650 |
| Destination Charge | $1,350 |
| Engine | |
| Engine Type | 3.0L Inline-6 TwinPower Turbo 48V MHEV (B58B30M2) |
| Horsepower | 386 hp @ 5,200 rpm |
| Torque | 398 lb-ft @ 1900-4800 rpm |
| Redline | 7,000 rpm |
| Valvetrain | DOHC 24V VALVETRONIC Double-VANOS |
| Bore and Stroke | 82.0 x 94.6 |
| Compression Ratio | 10.2:1 |
| Injection Type | High Precision Injection (direct) |
| Drivetrain | |
| Drive Type | RWD |
| Differential Type | M Sport limited-slip |
| Transmission | |
| Transmission | 8-speed M Steptronic with Drivelogic |
| 1st Gear | 5.25 (37 mph **) |
| 2nd Gear | 3.36 (58 mph **) |
| 3rd Gear | 2.17 (89 mph **) |
| 4th Gear | 1.72 (112 mph **) |
| 5th Gear | 1.32 (146 mph **) |
| 6th Gear | 1 (193 mph **) |
| 7th Gear | 0.82 (236 mph **) |
| 8th Gear | 0.64 (302 mph **) |
| Reverse | 3.71 |
| Final Drive | 2.81 |
| Fuel Economy | |
| City | 27 MPG |
| Highway | 33 MPG |
| Combined | 29 MPG |
| Recommended Fuel | Premium |
| Tank Capacity | 15.6 gal |
| Suspension | |
| Front Suspension | Double-joint spring strut, aluminum-steel |
| Rear Suspension | Five-link, aluminum-steel |
| Turning Diameter | 37.4 ft |
| Brakes | |
| Front Brake Calipers | Four-piston fixed |
| Front Brake Disc | Vented |
| Rear Brake Disc | Vented, single-piston floating |
| Tires & Wheels | |
| Wheels Front | 19 x 8.0 |
| Wheels Rear | 19 x 8.0 |
| Tires Front | 225/40R19 |
| Tires Rear | 225/40R19 |
| Dimensions & Weight | |
| Length | 185.9 in |
| Width | 71.9 in |
| Height | 56.4 in |
| Wheelbase | 112.5 in |
| Front Track | 62.3 in |
| Rear Track | 61.7 in |
| Ground Clearance | 5.3 in |
| Cargo Volume | 16.9 ft³ |
| Curb Weight | 3,896 lbs |
| Interior | |
| Headroom Front | 38.7 in |
| Headroom Rear | 37.6 in |
| Legroom Front | 42 in |
| Legroom Rear | 35.2 in |
| Shoulder Room Front | 56 in |
| Shoulder Room Rear | 54.6 in |
** Theoretical max speed per gear at redline