2024 420i Convertible Specs2024 (G23) BMW 420i Convertible Specs & Performance
2024, 2025, 2026 (G23)
Tech Specs Summary
- 
- 2 L Inline 4 Turbo
- 
- 147 mph
- 
- 8.2 seconds
- 
- 181 hp
- 
- 35.1 mpg
- 
- 2 Doors
- 
- 4 Seats
- 
- 13.6 ft3
- 
- 3,726 lbs
- Front - RWD
Performance
- Top Speed
- 147 mph
- 0-62 mph
- 8.2 seconds
- 0-60 mph
- 7.9 seconds
- Power-to-Weight
- 20.59 lb/hp
- Power
- 181 hp
- Torque
- 221 lb·ft
Gas Mileage
- Combined
- 35.1 mpg
- Total Range
- 547 Miles
- Tailpipe CO2
- 245 g/Mile
Gasoline Engine
- Capacity
- 2 Liter
- 121.9 in3
- Layout
- Inline 4
- Aspiration
- Turbo
- Peak Power
- 181 hp @ 5,000 RPM
- 184 ps @ 5,000 RPM
- Peak Torque
- 221 lb·ft @ 1,350 RPM
- 300 N·m @ 1,350 RPM
- Valvetrain
- DOHC
- Valves/Cylinder
- 4 (16v Total)
- Fuel Delivery
- Direct Injection
- Position
- Front Engine
- Orientation
- Longitudinal
- Fuel
- Gasoline
- Fuel Tank Capacity
- 15.6 Gallons
More Engine Specs
- Engine Name
- B48B20
- Compression Ratio
- 11:1
- Bore x Stroke
- 3.228 x 3.724 in
- Bore-Stroke Ratio
- 0.87:1
- Under-Square
- Specific Output
- 1.49 hp/in3
- Power/Cylinder
- 45 hp
- Cylinder Volume
- 30.5 in3
- BMEP
- 273.7 PSI
- 18.9 Bar
Drivetrain & Chassis
- Driven Wheels
- RWD
- Rear-wheel Drive
- Transmission (AT)
- 8 Speeds
- Tyre Sizes
- 225/50R17 Y
- Front Suspension
- MacPherson Strut
- Rear Suspension
- Multi-Link
- Front Brakes
- Vented Disc
- Rear Brakes
- Vented Disc
Dimensions & Practicality
- Body
- Medium Convertible
- Door Count
- 2
- Seat Count
- 4
- Luggage Space
- 13.6 ft3
- Turning Radius
- 37.4 ft
- Curb Weight
- 3,726 lbs
- Gross Weight
- 4,817 lbs
- Maximum Payload
- 1,091 lbs
- Towing Capacity
- 1,653-3,527 lbs
- Length
- 187.7 in
- Width
- 72.9 in
- Height
- 54.5 in
- Wheelbase
- 112.2 in
- Front Track
- 61.9 in
- Rear Track
- 63.5 in
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★★★★★
2.9
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Practicality
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