2020 BMW 4 Series vs. 2021 BMW 4 Series
iSeeCars' unbiased and data-driven comparison of the 2020 BMW 4 Series and 2021 BMW 4 Series contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the 2020 BMW 4 Series and the 2021 BMW 4 Series.
In comparing the 2020 BMW 4 Series's and the 2021 BMW 4 Series's specifications and ratings, the 2020 BMW 4 Series has the advantage in the areas of typical lower range of pricing for used cars, and interior volume. The 2021 BMW 4 Series has the advantage in the area of base engine power. The 2020 BMW 4 Series and 2021 BMW 4 Series have the same fuel efficiency, overall quality score Based on this comparison of the 2020 BMW 4 Series's and the 2021 BMW 4 Series's specifications and ratings, the 2020 BMW 4 Series is a better car than the 2021 BMW 4 Series.
Pricing: A used 2020 BMW 4 Series ranges from $24,524 to $41,659 while a used 2021 BMW 4 Series is priced between $31,956 to $46,998.
Resale/Retained Value: Looking at the 5-year depreciation rate, the 2020 BMW 4 Series and the 2021 BMW 4 Series both lose 51.5 percent of their value.
Quality Rating: The iSeeCars Overall Quality rating for the BMW 4 Series is 7.5 out of 10. BMW 4 Series is ranked 12 out of 25 Best Luxury Convertibles based on its reliability, retained value, and safety ratings.
Reliability Rating: iSeeCars' Reliability Rating for the BMW 4 Series is 7.2 out of 10.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2020 BMW 4 Series’s base engine makes 248 horsepower, and the 2021 BMW 4 Series base engine makes 255 horsepower. Both the 4 Series and the 4 Series are rated to deliver an average of 27 miles per gallon, with highway ranges of 537 and 515 miles respectively. Both models use premium unleaded.
New Car Pricing
Asking Price:
-
Starting MSRP:
53100
Category Avg Starting MSRP:
(Luxury Compact Cars)
41892
Category Starting MSRP Range:
(Luxury Compact Cars)
25900 - 53950
New Car Pricing
Asking Price:
-
Starting MSRP:
53100
Category Avg Starting MSRP:
(Luxury Compact Cars)
44749
Category Starting MSRP Range:
(Luxury Compact Cars)
26100 - 75400
Used Car Pricing
Avg Used Car Price:
33203
Price Range:
24524 - 41659
Category Avg Price:
(Luxury Compact Cars)
28861
Category Avg Price Range:
(Luxury Compact Cars)
21549 - 40914
# Used Cars for Sale Nationally:
56
Avg Mileage of Used Cars for Sale:
55688
# Good or Great Deals:
19
Used Car Pricing
Avg Used Car Price:
39503
Price Range:
31956 - 46998
Category Avg Price:
(Luxury Compact Cars)
34114
Category Avg Price Range:
(Luxury Compact Cars)
23120 - 69360
# Used Cars for Sale Nationally:
132
Avg Mileage of Used Cars for Sale:
46438
# Good or Great Deals:
31
BMW 4 Series Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.2 / 10
Retained Value:
7.7 / 10
Safety:
Not available
BMW 4 Series Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.2 / 10
Retained Value:
7.7 / 10
Safety:
Not available
iSeeCars Reliability Insights for 2020 BMW 4 Series
Remaining Life Expectancy (years):
4.5
Typical Category Remaining Life Expectancy:
(Luxury Compact Cars)
7.2
Category Remaining Life Expectancy Range:
(Luxury Compact Cars)
4.5 - 15.1
Chance of Reaching 200k Miles for a New Car:
0.001
iSeeCars Reliability Insights for 2021 BMW 4 Series
Remaining Life Expectancy (years):
5.5
Typical Category Remaining Life Expectancy:
(Luxury Compact Cars)
8.4
Category Remaining Life Expectancy Range:
(Luxury Compact Cars)
5.5 - 16.1
Chance of Reaching 200k Miles for a New Car:
0.001
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.0673080745250445
Typical Category Recalls:
(Luxury Compact Cars)
3.4
Category Range for Recalls:
(Luxury Compact Cars)
0.9 - 31.5
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
11.64866784229798
Typical Category Recalls:
(Luxury Compact Cars)
4.0
Category Range for Recalls:
(Luxury Compact Cars)
1.0 - 27.6
BMW 4 Series Rankings
Ranking
1 out of / 25Ranking
2 out of / 25Ranking
3 out of / 16Ranking
5 out of / 25Ranking
5 out of / 5Ranking
5 out of / 5Ranking
12 out of / 25Ranking
12 out of / 25Ranking
18 out of / 25Ranking
22 out of / 25BMW 4 Series Rankings
Ranking
1 out of / 25Ranking
2 out of / 25Ranking
3 out of / 16Ranking
5 out of / 25Ranking
5 out of / 5Ranking
5 out of / 5Ranking
12 out of / 25Ranking
12 out of / 25Ranking
18 out of / 25Ranking
22 out of / 25Available Body Styles
Convertible, Coupe, Sedan
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2020 BMW 4 Series Trim Levels
Not yet available
2021 BMW 4 Series Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
248 hp @ 5200 rpm
Torque:
258 foot-lbs @ 1450 rpm
Power-to-Weight Ratio (higher is better):
0.061 hp per pound
Base Drivetrain Specs
Horsepower:
255 hp @ 5000 rpm
Torque:
294 foot-lbs @ 1550 rpm
Power-to-Weight Ratio (higher is better):
0.065 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
23 / 34 / 27
Range (city/hwy):
363 / 537 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
24 / 33 / 27
Range (city/hwy):
374 / 515 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Android Auto:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Available
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Android Auto:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
Standard
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
40.4 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
55.3 inches
Rear Head Room:
37.1 inches
Rear Leg Room:
33.1 inches
Rear Shoulder Room:
49.8 inches
Cargo Space:
7.8 cubic feet
Overall Interior Volume:
89.9 cubic feet
Interior Dimensions
Front Head Room:
40.6 inches
Front Leg Room:
41.8 inches
Front Shoulder Room:
55.1 inches
Rear Head Room:
36.1 inches
Rear Leg Room:
32.5 inches
Rear Shoulder Room:
43.9 inches
Cargo Space:
13.6 cubic feet
Overall Interior Volume:
84.0 cubic feet
Exterior Dimensions
Curb Weight:
4037 lbs
Width:
79.4 inches
Height:
54.5 inches
Length:
182.7 inches
Wheelbase:
110.6 inches
Ground Clearance:
5.1 inches
Exterior Dimensions
Curb Weight:
3918 lbs
Width:
81.9 inches
Height:
54.6 inches
Length:
187.9 inches
Wheelbase:
112.2 inches
Ground Clearance:
5 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
225/45R18
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Estoril Blue Metallic / Mediterranean Blue Metallic / Snapper Rocks Blue Metallic
Gray
Mineral Grey Metallic
Orange
Sunset Orange Metallic
Silver
Glacier Silver Metallic
White
Alpine White / Mineral White Metallic
Green
Not available
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Arctic Race Blue Metallic / Portimao Blue Metallic
Gray
Bluestone Metallic
Orange
Sunset Orange Metallic
Silver
Not available
White
Alpine White / Mineral White Metallic
Green
Sanremo Green Metallic
Interior Colors
Beige
Cognac w/ Dark Brown Highlight / Cognac w/ Dark Brown Highlight and Cognac Dashboard / Venetian Beige w/ Dark Oyster Highlight / Venetian Beige/Black
Black
Black / Black w/ Blue Highlight / Black w/ Dark Oyster Highlight / Black w/ Red Highlight
Blue
Night Blue w/ Dark Oyster Highlight
Brown
Mocha
Gray
Ivory White w/ Dark Oyster Highlight
Red
Coral Red w/ Black Highlight
Interior Colors
Beige
Canberra Beige / Canberra Beige/Black w/ Contrast Stitching
Black
Black / Black w/ Blue Contrast Stitching / Black w/ Oyster Contrast Stitching
Blue
Not available
Brown
Cognac w/ Contrast Stitching / Mocha w/ Contrast Stitching
Gray
Oyster w/ Contrast Stitching
Red
Tacora Red w/ Contrast Stitching
