| Engine | 3.0L 6-cyl |
| Transmission | Automatic (AM-S7) |
| Drive | Rear-Wheel Drive |
| Fuel Type | Premium Gasoline |
| Vehicle Class | Compact Cars |
| Engine Desc | SIDI |
| Start-Stop | Yes |
| EPA Vehicle ID | 34981 |
19 MPG combined isn’t going to win any fuel-sipping awards, but for the 2015 BMW M4 Coupe equipped with the 3.0L inline-six and dual-clutch automatic, it’s part of a carefully considered equation. Buyers of this car aren’t prioritizing economy; they’re after a specific blend of performance, prestige, and driving involvement. The fuel bill is simply the price of admission.
City and highway performance
The official EPA ratings break down to 17 MPG in the city and 24 MPG on the highway. The city figure reflects the stop-and-go nature of urban driving, where the M4’s turbocharged engine spends a significant amount of time off-boost, but the frequent bursts of acceleration still take their toll. The highway number is more palatable, partially because the engine settles into a more efficient cruising range, and partially because the seven-speed dual-clutch transmission (AM-S7) can select the optimal gear for efficiency at speed. Even at highway speeds, however, aggressive driving will quickly degrade that 24 MPG figure, the M4’s inherent eagerness to accelerate is hard to resist.
Annual fuel cost
The EPA estimates an annual fuel cost of $3,050 for the 2015 BMW M4 Coupe. This figure is based on driving 15,000 miles per year, using a blended city/highway driving ratio, and assuming national average fuel prices. It’s a helpful benchmark, but your actual fuel expenses will vary depending on your driving habits, local fuel prices, and the type of fuel you use. While the M4 doesn’t strictly *require* premium fuel, it’s programmed and tuned to perform optimally on it, which means you’ll likely see slightly reduced power and worsened fuel economy on lower octane fuel, effectively negating any potential savings.
Real-world expectations
While the EPA figures provide a baseline, real-world MPG for the 2015 M4 can vary considerably. Drivers who spend most of their time in stop-and-go traffic, or those who frequently exploit the engine’s power, will likely see numbers closer to or even below the city estimate. On the other hand, drivers who prioritize smooth acceleration and spend more time on the open road could potentially exceed the highway rating. Ultimately, your mileage will depend on your driving style and prevailing traffic conditions. It’s worth consulting owner forums and online fuel logging services to get a better sense of the range of real-world MPG experienced by other M4 owners.
How it compares
Compared to its contemporaries, the 2015 M4’s fuel economy is roughly on par with other performance coupes. The Mercedes-AMG C63 Coupe, for example, with its larger displacement V8, is rated at 18 MPG combined, while the Audi RS5 comes in at 19 MPG combined. A Porsche Cayman S, with its mid-engine layout and slightly smaller engine, manages around 22 MPG combined. These are all vehicles that cater to a similar buyer: someone who prioritizes driving dynamics and isn’t overly concerned with maximizing every last drop of fuel. The M4 buyer understands that performance comes at a cost, and they’re willing to accept that tradeoff to experience the car’s exceptional handling and raw power. If they wanted maximum fuel efficiency without compromising on driving enjoyment, they might cross-shop a BMW 328d wagon for its incredible diesel MPG, find all Bmw fuel economy data or compare M4 MPG across all years.
Tips to maximize efficiency
While the M4 isn’t designed to be a fuel sipper, there are still ways to improve its efficiency without sacrificing too much driving enjoyment. The first and most obvious is to adopt a smoother driving style. Avoid hard acceleration and braking, and anticipate traffic flow to minimize unnecessary stops. The less you engage the turbochargers, the less fuel you’ll burn.
Take advantage of the car’s driving modes. The M4 offers various settings that adjust throttle response, steering feel, and suspension stiffness. Selecting the “Efficient” mode will dull the throttle response and encourage earlier upshifts, helping to reduce fuel consumption in everyday driving. While this mode might not be ideal for spirited driving, it can make a noticeable difference on longer commutes.
Proper tire inflation is important for both performance and fuel economy. Check your tire pressures regularly and maintain them at the recommended levels. Underinflated tires increase rolling resistance, which reduces MPG and can also affect handling. Refer to the sticker on your driver’s side door jamb for the correct tire pressure specifications.
Regular maintenance is also essential. Keep your engine properly tuned and ensure that all filters are clean. A well-maintained engine runs more efficiently and will deliver better fuel economy. Pay particular attention to the air filter, as a clogged filter can restrict airflow and reduce engine performance, leading to decreased MPG. Replace spark plugs at factory recommended intervals.
Avoid unnecessary weight. The heavier the car, the more fuel it takes to accelerate. Remove any unnecessary items from the trunk and passenger compartment to reduce the car’s overall weight. This might seem like a small detail, but every little bit helps.