BMW · 2022
430i Convertible 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Subcompact Cars
Rear-Wheel Drive
City
25
MPG
Combined
28
MPG
Highway
34
MPG
Annual Fuel Cost
$2,050
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$100
saved per year
Class Comparison — Subcompact Cars
Top 18%
Better than 82 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 28 MPG
This vehicle
28 MPG
Class average
27 MPG
Class lowest
12 MPG
EPA Energy & Environment Scores
6
Energy Score
Out of 10
6
GHG Score
Out of 10
312 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (S8)
DriveRear-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassSubcompact Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID44278

While 28 MPG combined isn’t the main reason to buy a 2022 BMW 430i Convertible, it is a car made for enjoying open-air motoring, making a statement, and experiencing the driver engagement the BMW brand is known for. The 430i Convertible’s fuel consumption is simply part of the cost of enjoying that lifestyle.

City and highway performance

The EPA estimates for the 2022 BMW 430i Convertible, powered by the 2.0L turbocharged four-cylinder engine, are 25 MPG in the city and 34 MPG on the highway. These numbers reflect the engine’s flexibility, aided by the smooth-shifting eight-speed automatic transmission (S8). In urban environments, stop-and-go traffic will naturally lower the fuel economy. On the open road, however, the 430i convertible is surprisingly efficient, allowing comfortable long-distance cruising without excessive fuel stops.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2022 BMW 430i Convertible at $2,050. This calculation is based on driving 15,000 miles per year and using the national average fuel price at the time of the EPA’s testing. Individual fuel costs may vary considerably depending on driving habits, local fuel prices, and the type of fuel used. BMW recommends premium fuel for optimal performance, which is typically more expensive than regular gasoline.

Real-world expectations

EPA estimates provide a useful baseline, but real-world fuel economy can vary significantly. Owners who frequently use the engine’s 255 horsepower and enjoy spirited acceleration will likely see numbers closer to the city rating, even on mixed driving cycles. Conversely, drivers who prioritize fuel efficiency and adopt a gentler driving style may well exceed the EPA’s highway figure. The 430i’s driving mode selector allows drivers to tailor the car’s responsiveness, with “Eco Pro” mode prioritizing fuel conservation.

How it compares

Compared to other convertibles in its class, the 430i’s fuel economy is competitive. The Audi A5 Cabriolet, with its 2.0-liter turbo engine, achieves a similar 27 MPG combined. The Mercedes-Benz C300 Cabriolet, another direct competitor, also hovers around the same mark. Of course, opting for higher-performance variants, such as the BMW M440i Convertible, results in a fuel economy penalty, dropping to around 25 MPG combined. For buyers primarily concerned with fuel efficiency, a smaller, less powerful convertible might be a better choice, but those models sacrifice the 430i’s blend of performance and luxury. Check 430I MPG across all years to see its fuel economy history.

Tips to maximize efficiency

Engage “Eco Pro” mode when possible, especially during steady-state highway driving or in stop-and-go traffic. This mode adjusts throttle response and shift patterns to prioritize fuel efficiency. It can contribute to a noticeable improvement over time, though don’t expect drastic changes.

Ensure that your tires are properly inflated and aligned. Underinflated tires increase rolling resistance, forcing the engine to work harder and burn more fuel. Regular maintenance, including tire rotations and alignment checks, can help optimize fuel economy. Consult the sticker on your driver’s side door for the recommended tire pressure.

Avoid aggressive acceleration and hard braking. Smooth, gradual inputs are key to maximizing fuel efficiency. Anticipate traffic flow and maintain a consistent speed whenever possible. The 430i’s engine delivers plenty of low-end torque, so you don’t need to bury the throttle to get up to speed.

Consider using cruise control on the highway. Maintaining a consistent speed eliminates unnecessary variations in throttle input, which can lead to wasted gas. However, be mindful of traffic conditions and disengage cruise control when necessary.

Reduce unnecessary weight in the vehicle. Excess cargo adds strain to the engine and reduces fuel efficiency. Remove any items you don’t need to carry on a regular basis, especially heavy objects. Considering all Bmw fuel economy data can help you make informed decisions.