2018 BMW 3 Series 340i xDrive 8AT
The 2018 BMW 3 Series 340i xDrive 8AT is a 320-hp turbocharged inline-6 with an 8-speed steptronic automatic and all-wheel drive. It starts at $50,950 MSRP and is rated at 25 mpg combined.
It makes 320 horsepower at 5,500 rpm and 332 lb-ft of torque at 1380-5000 rpm, spinning to a 7,000 rpm redline. EPA fuel-economy estimates are 21 mpg city and 31 mpg highway (25 mpg combined).
The 3 Series measures 182.8 inches long on a 110.6-inch wheelbase.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $50,950 |
| MSRP with Destination | $51,945 |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 3.0L Inline-6 TwinPower Turbo (B58) |
| Horsepower | 320 hp @ 5,500 rpm |
| Torque | 332 lb-ft @ 1380-5000 rpm |
| Redline | 7,000 rpm |
| Valvetrain | DOHC 24V VALVETRONIC Double-VANOS |
| Bore and Stroke | 82.0 x 94.6 |
| Compression Ratio | 11.0:1 |
| Injection Type | High Precision Injection (direct) |
| Drivetrain | |
| Drive Type | AWD (xDrive) |
| Transmission | |
| Transmission | 8-speed Steptronic automatic |
| 1st Gear | 5 (38 mph **) |
| 2nd Gear | 3.2 (60 mph **) |
| 3rd Gear | 2.143 (90 mph **) |
| 4th Gear | 1.72 (112 mph **) |
| 5th Gear | 1.314 (146 mph **) |
| 6th Gear | 1 (192 mph **) |
| 7th Gear | 0.822 (234 mph **) |
| 8th Gear | 0.64 (300 mph **) |
| Reverse | 3.456 |
| Final Drive | 2.813 |
| Fuel Economy | |
| City | 21 MPG |
| Highway | 31 MPG |
| Combined | 25 MPG |
| Recommended Fuel | Premium |
| Tank Capacity | 15.8 gal |
| Suspension | |
| Front Suspension | 2-link strut |
| Rear Suspension | five-link |
| Turning Diameter | 38.4 ft |
| Tires & Wheels | |
| Wheels Front | 18 x 8.0 |
| Wheels Rear | 18 x 8.0 |
| Tires Front | 225/45R18 |
| Tires Rear | 225/45R18 |
| Dimensions & Weight | |
| Length | 182.8 in |
| Width | 71.3 in |
| Height | 56.5 in |
| Wheelbase | 110.6 in |
| Front Track | 60.5 in |
| Rear Track | 62 in |
| Ground Clearance | 5.7 in |
| Cargo Volume | 17 ft³ |
| Interior | |
| Headroom Front | 40.3 in |
| Headroom Rear | 37.7 in |
| Legroom Front | 42 in |
| Legroom Rear | 35.1 in |
| Shoulder Room Front | 55.1 in |
| Shoulder Room Rear | 55.1 in |
** Theoretical max speed per gear at redline