2021 BMW 3 Series M340i
The 2021 BMW 3 Series M340i is a 382-hp electric with an 8-speed sport steptronic and rear-wheel drive. It starts at $54,700 MSRP and is rated at 26 mpg combined.
It makes 382 horsepower at 5,800 rpm and 369 lb-ft of torque at 1800-5000 rpm, spinning to a 7,000 rpm redline. EPA fuel-economy estimates are 23 mpg city and 32 mpg highway (26 mpg combined).
The 3 Series measures 185.7 inches long on a 112.2-inch wheelbase.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $54,700 |
| MSRP with Destination | $55,695 |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 3.0L Inline-6 TwinPower Turbo 48V MHEV (B58) |
| Horsepower | 382 hp @ 5,800 rpm |
| Torque | 369 lb-ft @ 1800-5000 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 Sport Steptronic |
| 1st Gear | 5.25 (37 mph **) |
| 2nd Gear | 3.36 (57 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 (235 mph **) |
| 8th Gear | 0.64 (301 mph **) |
| Reverse | 3.71 |
| Final Drive | 2.81 |
| Fuel Economy | |
| City | 23 MPG |
| Highway | 32 MPG |
| Combined | 26 MPG |
| Recommended Fuel | Premium |
| Tank Capacity | 15.6 gal |
| Suspension | |
| Front Suspension | Double-joint spring strut |
| Rear Suspension | Five-link |
| Turning Diameter | 37.4 ft |
| Brakes | |
| Front Brake Calipers | Four-piston fixed |
| Front Brake Disc | 348 mm vented |
| Rear Brake Disc | 345 mm vented |
| Tires & Wheels | |
| Wheels Front | 18 x 7.5 |
| Wheels Rear | 18 x 8.0 |
| Tires Front | 225/45R18 |
| Tires Rear | 255/40R18 |
| Dimensions & Weight | |
| Length | 185.7 in |
| Width | 71.9 in |
| Height | 56.4 in |
| Wheelbase | 112.2 in |
| Front Track | 62.3 in |
| Rear Track | 61.8 in |
| Ground Clearance | 5.4 in |
| Cargo Volume | 17 ft³ |
| 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