What are the differences between the BMW 4 Series and 3 Series?

2 Answers
SanAubree
07/29/25 2:09am
BMW 4 Series and 3 Series differ in the following aspects: 1. Exterior Design: The most significant difference between the BMW 4 Series and 3 Series lies in their exterior design. The 4 Series resembles a coupe, while the 3 Series is only available in four-door long-wheelbase and standard-wheelbase versions. 2. Model Variants: The 4 Series is further divided into convertible, two-door coupe, and four-door Gran Coupe versions. Both models share the same chassis and powertrain systems, but the 4 Series features more distinctive exterior styling. Additionally, the 4 Series is exclusively imported, whereas the 3 Series has both domestically produced and imported models. 3. Powertrain Options: The 4 Series offers three powertrain variants: a low-power 2.0-liter turbocharged engine, a high-power 2.0-liter turbocharged engine, and a 3.0-liter inline-six turbocharged engine. The 2.0T low-power engine delivers a maximum output of 135 kW and 270 Nm of torque, while the 2.0T high-power version produces 185 kW and 350 Nm. The 3.0T engine generates 240 kW and 450 Nm. 4. Chassis Configuration: Both models feature a double-joint spring strut front axle and a multi-link independent rear suspension. The aluminum construction of the double-joint spring strut front axle contributes to a lighter suspension system.
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StAnna
08/12/25 6:09am
As an automotive design enthusiast, I always feel the styling differences between the BMW 4 Series and 3 Series are particularly striking. The 4 Series features a more aggressive design - that oversized front grille is truly eye-catching, with its low-slung body and strong aerodynamic lines that turn heads on the road, exuding a particularly sporty vibe. In comparison, the 3 Series appears much more restrained, with more conservative lines and stronger practicality, making it suitable for daily commuting without being flashy. Although they may share some engine options, the 4 Series' detailing leans more toward youthful coolness, like its stiffer suspension and sport wheels, creating an overall coupe-like atmosphere. Meanwhile, the 3 Series retains the classic BMW elegance while balancing family transportation needs. The core difference lies in the 4 Series following a personality-driven route while the 3 Series plays the all-rounder role - it depends whether you prioritize head-turning style or practical substance.
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