What is the Difference Between BMW 730 and 740?

[LilyFitz]

The differences between BMW 730 and 740: 1. Different body weight: The BMW 730 has a body weight of 1930kg; the BMW 740 has a body weight of 1970kg. 2. Different body dimensions: The BMW 730 measures 5212mm in length, 1902mm in width, and 1478mm in height, with a wheelbase of 3210mm; the BMW 740 measures 5273mm in length, 1902mm in width, and 1498mm in height, with a wheelbase of 3210mm. In terms of power, the BMW 740 model is equipped with a 3.0T inline six-cylinder engine, which delivers a maximum power of 326 horsepower and a peak torque of 450 Nm.

[Dale]

As an enthusiast who frequently experiences different car models, the core difference between the 730 and 740 lies in engine performance. The 730 features a 3.0-liter six-cylinder turbocharged engine with approximately 280 horsepower, accelerating from 0 to 100 km/h in 6 seconds—smooth but not particularly thrilling. The 740 upgrades to a 4.4-liter V8 twin-turbocharged engine, boasting over 330 horsepower and a 0-100 km/h sprint in just 5 seconds, delivering noticeable acceleration. On the highway, the 740 overtakes effortlessly and remains stable, offering a higher level of driving excitement. However, it consumes more fuel, with city traffic consumption at 12 liters per 100 km compared to the 730's 8 liters. Maintenance costs for the 740 are slightly higher, but it comes standard with air suspension for enhanced comfort. The 740 suits those who prioritize speed, while the 730 is a more economical choice for daily commuting.

[VonAna]

Having driven the 7 Series for years, I've noticed practical differences between the 730 and 740. The 730's smaller engine offers better fuel efficiency, averaging around 9L/100km, making it agile and economical for city driving. The 740's larger engine delivers stronger performance but consumes over 12L/100km, with faster fuel gauge drops—stable on highways but costly. Both share identical spacious dimensions and luxury comfort, though the 740 comes standard with premium noise insulation and seat massage, while these are optional for the 730. Maintenance costs for the 740 are a few hundred yuan higher due to pricier parts. For urban commuting, the 730 is more cost-effective; for frequent highway trips or business chauffeur duties, the 740 offers greater ease.

[VonEmmanuel]

In terms of technology, the 730 and 740 share similar basic systems, but the 740 has a higher starting point. Both models come with iDrive touch navigation supporting CarPlay; the 740 includes standard active cruise control and blind spot monitoring as driving assistance features, while these require additional payment for the 730. The head-up display is standard on the 740; the interior designs are similar, but the entertainment functions are more advanced. Maintenance and upgrades for the 740 are slightly more costly; the airbag layouts are identical, with differences lying in active safety enhancements for greater security. If technology is a priority, the 740 is worth it; for those on a tighter budget, the 730 suffices for daily use.

[DeIsabel]

From a cost-performance perspective, the 730 starting at around 800,000 is an affordable entry; the 740, nearing 1 million, is more expensive but the power and standard tech like active safety justify the price difference. The 730 is more fuel-efficient, saving thousands in fuel costs long-term; the 740 incurs a few hundred more annually in insurance and maintenance. In the used car market, the 730 holds its value well and is easier to sell; the 740 attracts with its horsepower but has higher ownership costs. For those prioritizing economy and practicality, the 730 is recommended; for those with ample budget seeking performance, the 740 offers more perceived value.

[StEverett]

From a lifestyle compatibility perspective, the 730's engine is quiet and fuel-efficient, making it ideal for daily urban family driving, with an eco-friendly and worry-free 8 liters per 100 km. The 740 V8 offers robust power, suitable for business elites or weekend highway adventures for a smooth and exhilarating experience. The difference in fuel consumption affects the eco-friendly feel; the 740 comes standard with luxurious trims that enhance prestige but entail slightly more maintenance. Considering various scenarios, it's recommended to use the 730 more for commuting due to its low-key practicality; for long-distance driving or social occasions, the 740 better showcases style.