BMW · 2024
iX xDrive40 (21 inch Wheels)
✓ EPA Verified
Electric Vehicle
Standard Sport Utility Vehicle 4WD
All-Wheel Drive
City
87
MPGe
Combined
86
MPGe
Highway
85
MPGe
Annual Fuel Cost
$900
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$1,250
saved per year
Class Comparison — Standard Sport Utility Vehicle 4WD
Top 6%
Better than 94 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 86 MPGe
This vehicle
86 MPGe
Class average
27 MPGe
Class lowest
11 MPGe
EPA Energy & Environment Scores
9
Energy Score
Out of 10
10
GHG Score
Out of 10
0 lbs
Annual CO₂
Zero tailpipe emissions
No
Start-Stop
Regenerative braking
Vehicle Specifications
TransmissionAutomatic (A1)
DriveAll-Wheel Drive
Fuel TypeElectricity
Vehicle ClassStandard Sport Utility Vehicle 4WD
TrimEV
Start-StopNo
EPA Vehicle ID46940


The 86 MPG combined rating of the 2024 BMW iX xDrive40 (21 inch Wheels) makes this all-electric SUV more than just a luxury vehicle; it’s a statement about sustainable high performance. This isn’t for everyone. The iX buyer prioritizes futuristic technology, signature BMW driving dynamics, and a commitment to minimizing their environmental footprint. For them, the relatively high initial cost is offset by the significantly lower running costs and the sheer enjoyment of a cutting-edge EV experience.

City and highway performance

The iX xDrive40 shows near-identical efficiency whether navigating city streets or cruising down the highway. EPA estimates peg the city MPG at 87 and the highway MPG at 85. This consistency shows the electric powertrain’s inherent efficiency and the regenerative braking system, which recoups energy in stop-and-go traffic. Unlike gasoline vehicles where highway driving is typically more efficient, EVs tend to perform similarly across both environments, making them well-suited for a variety of driving conditions.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2024 BMW iX xDrive40 (21 inch Wheels) at a remarkably low $900. This figure is calculated based on 15,000 miles of driving per year, using the national average electricity prices. This highlights one of the most obvious advantages of electric vehicle ownership: the substantial savings on fuel compared to traditional gasoline-powered cars. Charging costs depend heavily on your local electricity rates and charging habits, but the savings tend to be eye opening.

Real-world expectations

The EPA estimates provide a standardized benchmark, but real-world MPG can vary depending on several factors. Driving style, ambient temperature, and the use of accessories like air conditioning or heating all play a role. Aggressive acceleration and high speeds will drain the battery faster, reducing overall efficiency. Extreme cold weather can also impact battery performance. Owners who prioritize energy-efficient driving habits and use pre-conditioning features to warm or cool the cabin while the car is still plugged in can often achieve numbers close to the EPA estimates. Understanding these variables is key to optimizing the iX’s range and fuel economy.

How it compares

Compared to other luxury electric SUVs, the 2024 BMW iX xDrive40 (21 inch Wheels) performs competitively. The Audi e-tron, for example, achieves around 78 MPG combined. The Jaguar I-Pace, is rated at approximately 72 MPG combined. The iX’s superior efficiency translates into lower running costs and potentially longer ranges, appealing to buyers who prioritize these aspects. While other EVs boast more aggressive performance figures (the Tesla Model X Long Range achieves around 102 MPG combined), the iX prioritizes a balanced blend of luxury, efficiency, and the signature BMW driving experience. You should view IX MPG across all years to get a better idea for it’s efficiency over time. You can also view all Bmw fuel economy data to view their vehicle effiency as a whole.

Tips to maximize efficiency

Use the iX’s Eco Pro driving mode to prioritize energy conservation. This mode adjusts various vehicle settings to optimize efficiency at the expense of outright performance. It’s a simple way to get more miles out of each charge, especially during longer journeys.

Take advantage of regenerative braking. The iX offers varying levels of regenerative braking, allowing you to control how aggressively the car slows down when you lift off the accelerator. Experiment with different settings to find the level that suits your driving style best, maximizing energy recapture.

Precondition the battery and cabin before driving. Heating or cooling the car while it’s still plugged in uses grid power rather than battery power, preserving range. This is especially beneficial on cold mornings or hot afternoons when HVAC systems can significantly impact energy consumption.

Monitor your tire pressure regularly. Underinflated tires increase rolling resistance, reducing fuel efficiency. Ensure your tires are inflated to the recommended pressure, which you can find on the doorjamb sticker. This simple maintenance task can noticeably improve the iX’s range.

Limit your use of accessories like heated seats and steering wheels. While these features enhance comfort, they also draw power from the battery. Use them carefully to conserve energy, especially when range is a concern.