
The 730 is equipped with a 265 horsepower engine, with an official fuel consumption of 8L per 100 kilometers. The fuel tank capacity of the BMW 730 is 61L, and the distance it can travel on a full tank is 78/6.9*100=1130km. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and environmental temperature. Specific factors that can increase fuel consumption are as follows: Driving habits: Aggressive driving, such as sudden acceleration, frequent overtaking, and not easing off the throttle before a red light, can increase fuel consumption. The car itself: Cars with larger displacement generally consume more fuel than those with smaller displacement because larger displacement usually means greater power, requiring more gasoline to burn and perform work. Cars with greater weight also consume more fuel because greater weight requires more driving torque. Road conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases the car's resistance and fuel consumption. Low environmental temperature: When the engine block temperature is low during a cold start, the injected gasoline is less likely to vaporize, requiring more gasoline to be injected for combustion, thus increasing fuel consumption. Additionally, at low temperatures, the engine's computer controls the engine to run at higher RPMs to warm up, which also increases fuel consumption.

As a long-time owner of the 730, I usually drive it in the city with fuel consumption around 10 to 12 liters per 100 kilometers, especially during traffic jams when it's even more fuel-intensive. On the highway, it's more economical, averaging about 7 to 8 liters. While the car is comfortable to drive, its 3.0-liter engine delivers strong performance, naturally resulting in higher fuel consumption. For daily commutes, it's advisable to avoid aggressive acceleration and switch to eco mode when there are many traffic lights to save fuel. I recommend regular maintenance checks on the fuel system, such as spark plugs and filters, as these can help improve fuel efficiency. Otherwise, fuel consumption might spike to over 15 liters per 100 kilometers. Driving habits have the most significant impact on fuel consumption—smooth acceleration and avoiding idling can save a considerable amount of money in the long run.

I've always been focused on green mobility. My 730 has a combined fuel consumption of around 8L/100km, which can drop to 7L on highways but easily reaches 11L in city driving. These figures aren't too bad, but they're significantly higher than new energy vehicles. I calculate my carbon footprint with every refuel and try to take advantage of tailwinds to reduce emissions. I recommend optimizing driving habits, such as anticipating road conditions to brake less or using start-stop function at traffic lights. Over time, fuel consumption can be reduced to 7.5L/100km, saving money while being eco-friendly. Regularly check tire pressure as underinflation increases rolling resistance and affects fuel efficiency.

I'm a car enthusiast. The 730's 3.0-liter turbocharged engine has a combined fuel consumption of about 8.5 liters per 100 kilometers, dropping to as low as 7 liters on highways. The engine is well-tuned with linear power output, but fuel efficiency largely depends on the driving mode—Comfort mode tends to be more fuel-consuming, while Sport mode is even more aggressive. Compared to its peers, the 730's fuel consumption ranks mid-to-upper among luxury sedans—not the most economical but reliably performant. Regular oil changes and throttle body cleaning are crucial, especially since a clogged air filter can spike fuel consumption. Don’t overlook these details; a quick check before long trips saves hassle.

When driving with family in the 730, the fuel consumption is around 9 liters per 100 kilometers, and it starts at 10 liters for short city trips. The car offers spacious and comfortable interiors, but its weight affects fuel consumption, which drops significantly to 7 liters on highways. Developing good habits like carrying less weight, using cruise control to maintain a steady speed, and avoiding frequent acceleration and deceleration can help reduce consumption to 8 liters. It's recommended to install a tire pressure monitor to promptly inflate tires when pressure is low, reducing resistance. Additionally, performing a fuel system cleaning every six months to prevent carbon buildup can help maintain stable fuel consumption at around 8.5 liters without much difficulty.

After trying the intelligent driving assistance, I managed to keep the 730's fuel consumption below 8 liters per 100 kilometers—the low-speed start-stop and optimized power distribution in Eco mode are quite effective. Normally, it's around 9 liters in the city and 7 liters on the highway, with a combined average of 8.3 liters being common. For this car, I recommend using GPS pre- to avoid traffic congestion and reduce idling fuel consumption. Regularly cleaning the engine compartment is also important, as clogged fuel lines can easily push consumption up to 10 liters. The future trend suggests that electric system integration might be even more efficient, but for now, the 730 strikes a good balance—responsive throttle with light pressure while still being fuel-efficient.


