Specs for all generations of BMW 4 Series

The 2-door Coupe and 4-door Gran Coupe are 2 of the 3 body style options available for the BMW 4 Series. Despite the difference in door configuration, they are close to identical in their dimensions, the only difference being in their height, with the 4 Series Gran Coupe being slightly taller than the Coupe.

BMW 4 Series is available in 2 main body styles (as of 2021) – Coupe and Convertible, with the former also offering different options – 2-door 4-seat (Coupe) and 4- or 5-door 5-seat (Gran Coupe) configurations. Hatchback variants are not currently available in the 4 Series model range.

The beginning of the 4 Series model is marked by the decision of BMW to distinguish the 3 Series 2-door variants into a separate model in the year 2013. The two models are almost identical in their dimensions, with the 4 Series being slightly larger in length and width only compared to pre-2010 3 Series variants.

BMW 4 Series offers some impressive power throughout the whole model range, especially in more recently introduced variants. As of 2021, the best-performing in terms of speed 4 Series vehicles are generally the M440i and M440d modifications. The BMW 4 Series Coupe (G22) M440i (374 Hp) MHEV xDrive Steptronic, however, stands out as the fastest in the range, achieving acceleration from 0 to 100 km/h in just 4.5 seconds (0-60 mph: 4.3 seconds) and a top speed of 250 km/h (155.34 mph).

2018 BMW 4 Series vehicles are available with several engine options. Engines that can be found under the hood of each body style are:
- 2.0 l (1995 cm3 | 121.74 cu. in.) I4 TwinPower Turbo diesel engine;
- 2.0 l (1998 cm3 | 121.93 cu. in.) I4 TwinPower Turbo petrol engine;
- 3.0 l (2993 cm3 | 182.64 cu. in.) I6 TwinPower Turbo diesel engine;
- 3.0 l (2998 cm3 | 182.95 cu. in.) I6 TwinPower Turbo petrol engine.

Gran Coupe variants can be equipped with one additional engine option - a 1.5 l (1499 cm3 | 91.47 cu. in.) I3 TwinPower Turbo petrol engine.

Mild Hybrid variants were introduced to the BMW 4 Series range in its second generation. The 48V mild hybrid technology helps vehicles achieve fuel consumption of 7.4 - 8.5 l/100 km (31.79 – 27.67 mpg) for petrol variants and 4.5 – 6.3 l/100 km (52.27 – 37.34 mpg) for diesel.

BMW 4 Series can currently (as of 2021) be found with either rear-wheel drive or xDrive – BMW’s name for its all-wheel drive system. Variants from each generation are offered with either one or the other drivetrain layout. Front-wheel drive is not available in the 4 Series model range.

BMW 4 Series Convertibles, introduced in 2014, are all 4-seat vehicles. This is the only seat configuration currently available for these variants (as of 2021).

BMW has definitely put an emphasis on the sporty driving experience for the second generation 4 Series interior. Sports leather steering wheel and sports seats are featured as standard, contributing to creating this sporty feel.

BMW 4 Series model is widely praised by owners for its overall performance and reliability. Consumer reviews, being majorly on the positive side, point out the vehicle’s high build quality, great driving dynamics, decent fuel consumption for its class, and luxury feel. No major issues or complaints have been reported by drivers.