BMW M6 vs. BMW Z4
iSeeCars' unbiased and data-driven comparison of the BMW M6 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 M6 and the BMW Z4.
When we compare the BMW M6's and the BMW Z4's specifications and ratings, the BMW M6 has the advantage in the areas of interior volume and base engine power. The BMW Z4 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. Based on this comparison of the BMW M6's and the BMW Z4's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2016 BMW M6 ranges from $31,097 to $46,541 while a used 2016 BMW Z4 is priced between $21,338 to $35,851.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW M6’s base engine makes 552 horsepower, and the BMW Z4 base engine makes 240 horsepower. The M6 is rated to deliver an average of 16 miles per gallon, with a highway range of 422 miles. The Z4 is rated to deliver an average of 26 miles per gallon, with a highway range of 493 miles. This gives the BMW Z4 the fuel efficiency and maximum range advantage over the BMW M6. Both models use gasoline.
Passenger Space Comparison: The BMW M6 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, and cargo space. The BMW Z4 has the advantage in the area of front leg room.
New Car Pricing
Asking Price:
-
Starting MSRP:
$119,700
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$49,700
Category Avg Starting MSRP:
(Luxury Sports Cars)
$74,424
Category Starting MSRP Range:
(Luxury Sports Cars)
$42,900 - $145,740
Used Car Pricing
Avg Used Car Price:
$39,726
Price Range:
$31,097 - $46,541
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
12
Avg Mileage of Used Cars for Sale:
52,947
# Good or Great Deals:
3
Used Car Pricing
Avg Used Car Price:
$28,952
Price Range:
$21,338 - $35,851
Category Avg Price:
(Luxury Sports Cars)
$51,407
Category Avg Price Range:
(Luxury Sports Cars)
$24,778 - $157,066
# Used Cars for Sale Nationally:
15
Avg Mileage of Used Cars for Sale:
42,811
# Good or Great Deals:
6
BMW M6 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 M6
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):
3.1
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
4.9
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
0.7 - 9.2
Chance of Reaching 200k Miles for a New Car:
0%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.5
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.5
Typical Category Recalls:
(Luxury Sports Cars)
1.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 9.4
BMW M6 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, Coupe, Sedan
Available Body Styles
Convertible
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW M6 Trim Levels
Base, Gran Coupe
BMW Z4 Trim Levels
sDrive28i, sDrive35i, sDrive35is
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:
552 hp @ 6000 rpm
Torque:
502 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.122 hp per pound
Base Drivetrain Specs
Horsepower:
240 hp @ 5000 rpm
Torque:
260 foot-lbs @ 1250 rpm
Power-to-Weight Ratio (higher is better):
0.073 hp per pound
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
295 / 422 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
22 / 34 / 26
Range (city/hwy):
319 / 493 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Quad Seats:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
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
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Heated Seats
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Available
Power outlet:
Standard
Quad Seats:
N/A
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Available
Cooled/Ventilated Seats:
N/A
Heated Steering Wheel:
Available
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
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Paddle Shifters:
Available
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Backup camera:
Standard
360-Degree 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
Backup camera:
N/A
360-Degree 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
Interior Dimensions
Front Head Room:
40.3 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
56.9 inches
Rear Head Room:
36.5 inches
Rear Leg Room:
30.5 inches
Rear Shoulder Room:
49.6 inches
Cargo Space:
10.6 cubic feet
Overall Interior Volume:
89.0 cubic feet
Interior Dimensions
Front Head Room:
39.1 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
53.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
8 cubic feet
Overall Interior Volume:
47.6 cubic feet
Exterior Dimensions
Curb Weight:
4515 lbs
Width:
82.9 inches
Height:
53.9 inches
Length:
192.8 inches
Wheelbase:
112.2 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3307 lbs
Width:
76.8 inches
Height:
50.8 inches
Length:
167 inches
Wheelbase:
98.3 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
19.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
265/40ZR19
Standard Wheel/Tire Information
Wheel Size:
17.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R17
Exterior Colors
Black
Black Sapphire Metallic / Citrin Black Metallic / Ruby Black Metallic
Blue
Imperial Blue Metallic / San Marino Blue Metallic / Tanzanite Blue Metallic
Brown
Frozen Bronze Metallic / Jatoba Brown Metallic
Gray
Moonstone Metallic / Singapore Grey Metallic / Space Gray Metallic
Orange
Sakhir Orange Metallic
Silver
Silverstone Metallic
White
Alpine White / Frozen Brilliant White Metallic
Red
Not available
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Deep Sea Blue Metallic / Estoril Blue Metallic
Brown
Sparkling Brown Metallic
Gray
Mineral Grey Metallic
Orange
Valencia Orange
Silver
Glacier Silver Metallic
White
Alpine White / Mineral White Metallic
Red
Melbourne Red Metallic
Interior Colors
Beige
Champagne
Black
Black
Brown
Amaro Brown / Aragon Brown / Canyon Brown
Gray
Platinum/Black / Silverstone
Orange
Sakhir Orange/Black
Red
Sakhir Orange/Black
White
Opal White
Interior Colors
Beige
Canberra Beige / Walnut
Black
Black / Black/Orange
Brown
Not available
Gray
Ivory White/Black
Orange
Not available
Red
Coral Red
White
Not available
