What Changed

The second generation of the 4-Series coupe and convertible arrive for the 2021 model year. The new models wear more aggressive styling and grow in overall length, width, wheelbase, and track. The 430i models are powered by a 255-hp turbocharged four-cylinder, whereas the M440i models equip a 382-hp inline six. The range topping M4 is not availalbe for the convertible in 2021.

Comparison to Prior Model

2021 BMW 4-Series Convertible 2020 BMW 4-Series convertible
2021 BMW 4-Series Convertible 2020 BMW 4-Series convertible
Price Range ($) $53,100 - $66,000 $53,100 - $80,550
Length (in) 187.9 182.7
Wheelbase (in) 112.2 110.6
Width (in) 72.9 71.9
Height (in) 54.6 54.5
Track (in) 62.3 61.0
Exterior Volume (cu. ft.) 369.9 362.6
Curb Weight (lbs.) 3918-4171 4037-4328
Legroom Total (in.) 74.3 75.3
Passenger Volume (cu. ft.) 83.9 90.0
Cargo Volume (cu. ft.) 9.0 13
Driven Wheels
  • RWD
  • AWD
  • RWD
  • AWD
Engines
  • 2.0l I4 T (255-bhp)
  • 3.0l I6 HEV T (382-bhp)
  • 2.0l I4 T (248-bhp)
  • 3.0l I6 T (320-bhp)
  • 3.0l I6 T (425-bhp)
Transmissions A8 A8, M6, SM7
City MPG 23-24 16-23
Highway MPG 31-33 22-34
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