2025 BMW 4 Series Convertible 430i
The 2025 BMW 4 Series Convertible 430i is a 255-hp electric convertible with an 8-speed steptronic and rear-wheel drive. It starts at $58,700 MSRP and is rated at 30 mpg combined.
It makes 255 horsepower at 4,700 rpm and 295 lb-ft of torque at 1600-4500 rpm. EPA fuel-economy estimates are 27 mpg city and 35 mpg highway (30 mpg combined).
The 4 Series Convertible measures 187.9 inches long on a 112.2-inch wheelbase and has a curb weight of 3,918 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $58,700 |
| MSRP with Destination | $59,695 |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 2.0L Inline-4 16V TwinPower Turbo 48V MHEV (8AT) |
| Horsepower | 255 hp @ 4,700 rpm |
| Torque | 295 lb-ft @ 1600-4500 rpm |
| Valvetrain | DOHC 16V VALVETRONIC Double-VANOS |
| Bore and Stroke | 82.0 x 94.6 mm |
| Compression Ratio | 10.5:1 |
| Injection Type | High Precision Injection (Direct) |
| Drivetrain | |
| Drive Type | RWD |
| Differential Type | Open (standard) |
| Transmission | |
| Transmission | 8-speed Steptronic |
| 1st Gear | 5.25 |
| 2nd Gear | 3.36 |
| 3rd Gear | 2.17 |
| 4th Gear | 1.72 |
| 5th Gear | 1.14 |
| 6th Gear | 1 |
| 7th Gear | 0.82 |
| 8th Gear | 0.64 |
| Reverse | 3.71 |
| Final Drive | 3.15 |
| Fuel Economy | |
| City | 27 MPG |
| Highway | 35 MPG |
| Combined | 30 MPG |
| Recommended Fuel | 91 AKI premium unleaded |
| Tank Capacity | 15.6 gal |
| Suspension | |
| Turning Diameter | 37.4 ft |
| Brakes | |
| Front Brake Calipers | Single-piston floating |
| Front Brake Disc | 13.7 in (vented) |
| Rear Brake Disc | 13.6 in (vented) |
| Tires & Wheels | |
| Wheels Front | 18 x 7.5 in |
| Wheels Rear | 18 x 7.5 in |
| Tires Front | 225/45R18 |
| Tires Rear | 225/45R18 |
| Dimensions & Weight | |
| Length | 187.9 in |
| Width | 72.9 in |
| Height | 54.6 in |
| Wheelbase | 112.2 in |
| Front Track | 62.3 in |
| Rear Track | 62.7 in |
| Ground Clearance | 5 in |
| Cargo Volume | 9 ft³ |
| Curb Weight | 3,918 lbs |
| Interior | |
| Headroom Front | 40.6 in |
| Headroom Rear | 36.1 in |
| Legroom Front | 41.8 in |
| Legroom Rear | 32.5 in |
| Shoulder Room Front | 55.1 in |
| Shoulder Room Rear | 43.9 in |