BMW 4 Series vs. BMW Z4
iSeeCars' unbiased and data-driven comparison of the BMW 4 Series and BMW Z4 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 BMW 4 Series and the BMW Z4.
When we compare the BMW 4 Series's and the BMW Z4's specifications and ratings, The BMW Z4 has the advantage in the areas of new vehicle base pricing, reliability, resale value and overall quality score. The BMW 4 Series and BMW Z4 have the same base engine power. Based on this comparison of the BMW 4 Series's and the BMW Z4's specifications and ratings, the BMW Z4 is a better car than the BMW 4 Series.
Pricing: For a new model, the BMW 4 Series's price is between $63,925 and $84,622, with the BMW Z4 priced between $61,458 and $78,576.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW 4 Series loses 51.5 percent of its value and the BMW Z4 loses 48.5 percent of its value. This means the BMW Z4 retains 3 percentage points more of its value and has the advantage of higher resale value versus the BMW 4 Series.
Quality Rating: The iSeeCars Overall Quality rating for the BMW 4 Series is 7.5 out of 10 while the BMW Z4's quality rating is 7.8 out of 10. This results in the BMW 4 Series being ranked 12 out of 25 Best Luxury Convertibles and the BMW Z4 being ranked 9 out of 25.
Reliability Rating: iSeeCars’ Reliability Rating for the BMW 4 Series is 7.2 out of 10. For the BMW Z4 the reliability rating is 7.6 out of 10. This gives the BMW Z4 a slight advantage in reliability compared to the BMW 4 Series.
Engine Power and Fuel Efficiency Comparison: For engine performance, the base engine of both the BMW 4 Series and the BMW Z4 makes 255 horsepower.
New Car Pricing
Asking Price:
63925 - 84622
Starting MSRP:
60600
Category Avg Starting MSRP:
(Luxury Compact Cars)
48679
Category Starting MSRP Range:
(Luxury Compact Cars)
33400 - 78400
New Car Pricing
Asking Price:
61458 - 78576
Starting MSRP:
56100
Category Avg Starting MSRP:
(Luxury Sports Cars)
87986
Category Starting MSRP Range:
(Luxury Sports Cars)
56100 - 224900
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Compact Cars)
53319
Category Avg Price Range:
(Luxury Compact Cars)
44192 - 62446
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Sports Cars)
67227
Category Avg Price Range:
(Luxury Sports Cars)
67227 - 67227
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
31346
Depreciation %:
0.51725999
Resale Value $:
29254
Residual Value %:
0.48274001
Typical Category Depreciation %:
(Luxury Compact Cars)
0.51152734
Category Depreciation Range:
(Luxury Compact Cars)
0.43209812 - 0.57076625
5-year Depreciation
Depreciation $:
27312
Depreciation %:
0.48684698
Resale Value $:
28788
Residual Value %:
0.5131530200000001
Typical Category Depreciation %:
(Luxury Sports Cars)
0.32185613
Category Depreciation Range:
(Luxury Sports Cars)
0.25230078 - 0.50263852
BMW 4 Series Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.2 / 10
Retained Value:
7.7 / 10
Safety:
Not available
BMW Z4 Scores & Rankings
Overall Score:
7.8 / 10
Reliability:
7.6 / 10
Retained Value:
7.9 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW 4 Series
Avg Life Expectancy (years):
9.5
Typical Category Life Expectancy:
(Luxury Compact Cars)
10.7
Category Life Expectancy Range:
(Luxury Compact Cars)
9.5 - 11.7
Chance of Reaching 200k Miles for a New Car:
0.001
iSeeCars Reliability Insights for BMW Z4
Avg Life Expectancy (years):
13.0
Typical Category Life Expectancy:
(Luxury Sports Cars)
19.2
Category Life Expectancy Range:
(Luxury Sports Cars)
13.0 - 29.7
Chance of Reaching 200k Miles for a New Car:
0.001
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
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 Z4 Rankings
Ranking
1 out of / 29Ranking
1 out of / 16Ranking
1 out of / 6Ranking
3 out of / 8Ranking
3 out of / 6Ranking
3 out of / 5Ranking
3 out of / 5Ranking
3 out of / 4Ranking
5 out of / 40Ranking
5 out of / 25Ranking
5 out of / 25Ranking
7 out of / 40Ranking
7 out of / 40Ranking
9 out of / 40Ranking
9 out of / 25Ranking
9 out of / 25Ranking
16 out of / 25Ranking
20 out of / 25Ranking
33 out of / 40Ranking
34 out of / 40Available Body Styles
Convertible, Coupe, Sedan
Available Body Styles
Convertible
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW 4 Series Trim Levels
Not yet available
BMW Z4 Trim Levels
M40i, sDrive30i
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:
255 hp @ 4700 rpm
Torque:
295 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.063 hp per pound
Base Drivetrain Specs
Horsepower:
255 hp @ 5000 rpm
Torque:
295 foot-lbs @ 1550 rpm
Power-to-Weight Ratio (higher is better):
0.077 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):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
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):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
N/A
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Available
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
N/A
Heated Steering Wheel:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
360-Degree Camera:
N/A
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
Interior Dimensions
Front Head Room:
38.9 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
54.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
9.9 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
4026 lbs
Width:
81.9 inches
Height:
54.6 inches
Length:
187.9 inches
Wheelbase:
112.2 inches
Ground Clearance:
5 inches
Exterior Dimensions
Curb Weight:
3314 lbs
Width:
79.7 inches
Height:
51.4 inches
Length:
170.7 inches
Wheelbase:
97.2 inches
Ground Clearance:
4.7 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
225/45R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R18
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Arctic Race Blue Metallic / Frozen Portimao Blue Metallic / Portimao Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Skyscraper Grey Metallic
Green
Cape York Green Metallic
Red
Vegas Red Metallic
White
Alpine White / Mineral White Metallic
Purple
Not available
Exterior Colors
Black
Black Sapphire Metallic
Blue
Portimao Blue Metallic
Gray
Skyscraper Grey Metallic
Green
Not available
Red
San Francisco Red Metallic
White
Alpine White
Purple
Thundernight Metallic
Interior Colors
Beige
Canberra Beige
Black
Black / Black w/ Blue Contrast Stitching / Black w/ Red Highlight
Brown
Cognac / Mocha
Gray
Oyster
Red
Tacora Red
White
Not available
Interior Colors
Beige
Not available
Black
Black / Black w/ Blue Contrast Stitching
Brown
Cognac w/ Contrast Stitching
Gray
Not available
Red
Magma Red w/ Black Contrast Stitching
White
Ivory White w/ Contrast Stitching
