BMW Z8 vs. BMW Z4
iSeeCars' unbiased and data-driven comparison of the BMW Z8 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 Z8 and the BMW Z4.
When comparing the BMW Z8's and the BMW Z4's specifications and ratings, the BMW Z8 has the advantage in the area of base engine power. The BMW Z4 has the advantage in the area of fuel efficiency. Based on this comparison of the BMW Z8's and the BMW Z4's specifications and ratings, the two cars are fairly comparable.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW Z8’s base engine makes 375 horsepower, and the BMW Z4 base engine makes 184 horsepower. The Z8 is rated to deliver an average of 15 miles per gallon, with a highway range of 361 miles. The Z4 is rated to deliver an average of 21 miles per gallon, with a highway range of 364 miles. This gives the BMW Z4 the fuel efficiency and maximum range advantage over the BMW Z8. Both models use gasoline.
New Car Pricing
Asking Price:
-
Starting MSRP:
$132,195
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$33,795
Category Avg Starting MSRP:
(Luxury Sports Cars)
$58,099
Category Starting MSRP Range:
(Luxury Sports Cars)
$33,160 - $89,765
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
3
Avg Mileage of Used Cars for Sale:
14,057
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
$10,186
Price Range:
$4,996 - $16,482
Category Avg Price:
(Luxury Sports Cars)
$22,622
Category Avg Price Range:
(Luxury Sports Cars)
$8,470 - $56,974
# Used Cars for Sale Nationally:
52
Avg Mileage of Used Cars for Sale:
84,890
# Good or Great Deals:
17
BMW Z8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
BMW Z4 Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
8.0 / 10
Retained Value:
7.5 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW Z8
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for BMW Z4
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.9
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
5.2
Typical Category Recalls:
(Luxury Sports Cars)
1.4
Category Range for Recalls:
(Luxury Sports Cars)
1.1 - 9.2
BMW Z8 Rankings
Not yet available
BMW Z4 Rankings
Ranking
1 out of / 19Ranking
2 out of / 32Ranking
2 out of / 5Ranking
2 out of / 3Ranking
3 out of / 27Ranking
3 out of / 7Ranking
4 out of / 27Ranking
4 out of / 27Ranking
4 out of / 6Ranking
6 out of / 41Ranking
6 out of / 27Ranking
7 out of / 41Ranking
7 out of / 41Ranking
15 out of / 41Ranking
20 out of / 27Ranking
20 out of / 27Ranking
34 out of / 41Ranking
35 out of / 41Available Body Styles
Convertible
Available Body Styles
Convertible
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW Z8 Trim Levels
Alpina, Base
BMW Z4 Trim Levels
2.5i, 3.0i
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
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:
375 hp @ 5800 rpm
Torque:
383 foot-lbs @ 3800 rpm
Power-to-Weight Ratio (higher is better):
0.107 hp per pound
Base Drivetrain Specs
Horsepower:
184 hp @ 6000 rpm
Torque:
175 foot-lbs @ 3500 rpm
Power-to-Weight Ratio (higher is better):
0.063 hp per pound
Engine Specifications
Engine Size:
4.8 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
12 / 19 / 15
Range (city/hwy):
228 / 361 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
2.5 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 26 / 21
Range (city/hwy):
252 / 364 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Roadside assistance:
Standard
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Heated Seats
Available
Keyless Entry:
Standard
Leather Upholstery:
Available
Navigation System:
Available
Roadside assistance:
N/A
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
Available
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Available
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
37.2 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
55.2 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
37.3 inches
Front Leg Room:
42 inches
Front Shoulder Room:
52.5 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
3495 lbs
Width:
72 inches
Height:
51.9 inches
Length:
173.2 inches
Wheelbase:
98.6 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
2932 lbs
Width:
70.1 inches
Height:
50.1 inches
Length:
161.1 inches
Wheelbase:
98.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 inches
Wheel Type:
aluminum alloy
Tire Size:
275/40ZR18
Standard Wheel/Tire Information
Wheel Size:
16.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/50R16
Exterior Colors
Black
Jet Black
Blue
Topaz Blue Metallic
Gray
Stratus Gray
Red
Bright Red
Silver
Titanium Silver Metallic
Green
Not available
White
Not available
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Maldives Blue Metallic / Toledo Blue Metallic
Gray
Sterling Gray Metallic
Red
Bright Red / Merlot Red Metallic
Silver
Titanium Silver Metallic
Green
Urban Green
White
Alpine White
Interior Colors
Beige
Crema / Crema/Black
Black
Black
Red
Sport Red/Black
Blue
Not available
Gray
Not available
Interior Colors
Beige
Beige
Black
Black
Red
Red
Blue
Maldives Blue
Gray
Pearl Gray