BMW 3 Series vs 4 Series: Key Size Differences and Key Dimensions
When choosing between the BMW 3 Series and 4 Series, understanding their physical dimensions is crucial for comfort, practicality, and driving experience—despite sharing similar luxury pedigree, their size profiles vary significantly.
Exterior Length and Width Variations
The BMW 3 Series typically measures between 15°° to 15°± feet in length, averaging around 15° 2 inches, with a width of 6 4 2 inches. In contrast, the 4 Series coupe sits at 15 5° 6® feet in length and spans 6 1° 7 3´ 6° 4 2´ 6° in width—making it slightly longer and broader, especially in coupe variants.
Height and Interior Space Comparison
Height-wise, both models hover around 5 11 2° 6° 8", but the 4 Series offers a marginally higher roofline in coupe versions, enhancing upper-row comfort. Interior dimensions reveal the 3 Series excels in compact efficiency, while the 4 Series delivers more cargo room—approximately 19 1° 4° 6° 8", nearly 5 2° 10° more than the 3 Series due to its sportier, sloped roofline.
Practical Implications of Size Differences
These size distinctions affect real-world usability: the 3 Series suits city driving with agile maneuverability, while the 4 Series balances performance and space for both daily commutes and weekend adventures. Choosing between them hinges on how you prioritize interior room, cargo capacity, and driving dynamics.
Selecting between the BMW 3 and 4 Series comes down to understanding their size nuances—each offers a unique blend of performance and presence. For precise measurements and confident decisions, refer to official specs; your ideal BMW awaits, perfectly sized for your lifestyle.
2026 BMW 3 Series vs 2026 BMW 4 Series - which is better for you? Find out with Edmunds' head-to-head car comparison tool. Compare prices, options, features and specs, expert and consumer reviews. 4 Series vs 3 Series: Exterior Dimensions From its exterior, the BMW 4 Series measures 187.9 inches in length, spans a width of 72.9 inches, and stands at 54.6 inches.
Parked next to the 4 Series, the 3 Series is slightly smaller with a length of 185.7 inches and a width of 71.9 inches. However, it stands above the 4 Series at 56.8 inches. about the differences between the BMW 3 Series and the BMW 4 Series, then shop new 3 Series and 4 Series models for sale in Orange County.
Pricing When comparing two cars, such as the BMW 3 Series and the BMW 4 Series, it is important to look at price, fuel economy, and standard features. Starting with price, the BMW 3 Series is less expensive with a starting MSRP of $48,675 and the similarly equipped BMW 4 Series starts at $51,775. BMW 3 Series Vs 4 Series Here's a bit of automotive history: The iconic BMW 3 Series was originally available in several flavors.
A 2-door sedan, 4-door sedan, coupé and later on even a convertible (cabriolet) model were all on the table. In 2013, however, BMW deemed the best. Comparing Dimensions: Length, Width, and Height of BMW 3 Series vs.
4 Series When you compare the BMW 3 Series and 4 Series side by side, the differences in size are noticeable but subtle. Typically, the 4 Series tends to be a tad longer and wider, giving it a more muscular stance on the road. However, here is where you can find some noticeable differences between the two.
The new BMW 4 Series Gran Coupe is overall larger than the 3 Series. This is most notably found in the length of the two vehicles. This extra size gives the new 4 Series Gran Coupe a longer and more elegant look while driving through Little Falls.
At the same time, the 3 Series soldiers on as a four-door sedan. So, the comparison between the 2025 BMW 3 Series and the 4 Series amounts to sibling rivalry at its most profound level. The 3 Series and 4 Series lineups share a great deal, inside and out.
All ride on the same platform with the same wheelbase and share engines and drivetrains. The BMW 3 Series and 4 Series are two of the most sought-after models in the German automaker's lineup, each representing a unique balance of performance, luxury, and style. While they share many similarities, especially in their underlying platform and engines, distinct differences make them appeal to different kinds of buyers.
In this detailed comparison, we'll delve into various aspects. Discover the differences between the BMW 3 Series and BMW 4 Series with CarGurus. Compare price, expert/user reviews, popular features, vehicle specs and more.