2016 BMW 4 Series Convertible 428i
The 2016 BMW 4 Series Convertible 428i is a 240-hp 2.0-liter turbocharged inline-4 convertible with an 8-speed sport automatic and rear-wheel drive. It starts at $50,000 MSRP and is rated at 27 mpg combined.
It makes 240 horsepower at 5,000 rpm and 255 lb-ft of torque at 1250-4800 rpm. EPA fuel-economy estimates are 23 mpg city and 34 mpg highway (27 mpg combined).
The 4 Series Convertible measures 182.6 inches long on a 110.6-inch wheelbase and has a curb weight of 3,965 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $50,000 ($67,708 *) |
| MSRP with Destination | $50,995 ($69,056 *) |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 2.0L Inline-4 16V TwinPower Turbo |
| Displacement | 2 L |
| Horsepower | 240 hp @ 5,000 rpm |
| Torque | 255 lb-ft @ 1250-4800 rpm |
| Valvetrain | DOHC 16V VALVETRONIC Double-VANOS |
| Injection Type | High Precision Direct Injection |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 8-speed Sport Automatic (Steptronic) |
| 1st Gear | 4.71 |
| 2nd Gear | 3.14 |
| 3rd Gear | 2.11 |
| 4th Gear | 1.67 |
| 5th Gear | 1.29 |
| 6th Gear | 1 |
| 7th Gear | 0.84 |
| 8th Gear | 0.67 |
| Reverse | 3.29 |
| Final Drive | 3.15 |
| Fuel Economy | |
| City | 23 MPG |
| Highway | 34 MPG |
| Combined | 27 MPG |
| Recommended Fuel | Premium |
| Tank Capacity | 15.8 gal |
| Suspension | |
| Front Suspension | Strut |
| Rear Suspension | Multi-Link |
| Turning Diameter | 37.1 ft |
| Brakes | |
| Front Brake Disc | 13.0 in (vented) |
| Rear Brake Disc | 11.8 in (vented) |
| Tires & Wheels | |
| Wheels Front | 17 x 7.5 in |
| Wheels Rear | 17 x 7.5 in |
| Tires Front | 225/50R17 |
| Tires Rear | 225/50R17 |
| Dimensions & Weight | |
| Length | 182.6 in |
| Width | 71.9 in |
| Height | 54.5 in |
| Wheelbase | 110.6 in |
| Front Track | 60.8 in |
| Rear Track | 62.8 in |
| Cargo Volume | 7.8 ft³ |
| Curb Weight | 3,965 lbs |
| Interior | |
| Headroom Front | 40.4 in |
| Headroom Rear | 37.1 in |
| Legroom Front | 42.2 in |
| Legroom Rear | 33.1 in |
| Shoulder Room Front | 55.3 in |
| Shoulder Room Rear | 49.8 in |
* Amount adjusted for inflation to 2026 dollars