2018 BMW M4 vs. 2018 Mercedes-Benz CLS
iSeeCars' unbiased and data-driven comparison of the 2018 BMW M4 and 2018 Mercedes-Benz CLS 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 2018 BMW M4 and the 2018 Mercedes-Benz CLS.
When comparing the 2018 BMW M4's and the 2018 Mercedes-Benz CLS's specifications and ratings, the 2018 BMW M4 has the advantage in the areas of resale value and base engine power. The 2018 Mercedes-Benz CLS has the advantage in the areas of typical lower range of pricing for used cars, and fuel efficiency and interior volume. Based on this comparison of the 2018 BMW M4's and the 2018 Mercedes-Benz CLS's specifications and ratings, the 2018 Mercedes-Benz CLS is a better car than the 2018 BMW M4.
Pricing: A used 2018 BMW M4 ranges from $32,778 to $53,543 while a used 2018 Mercedes-Benz CLS is priced between $23,604 to $50,746.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the 2018 BMW M4 loses 50.1 percent of its value and the 2018 Mercedes-Benz CLS loses 58.2 percent of its value. This means the 2018 BMW M4 retains 8.1 percentage points more of its value and has the advantage of higher resale value versus the 2018 Mercedes-Benz CLS.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2018 BMW M4’s base engine makes 425 horsepower, and the 2018 Mercedes-Benz CLS base engine makes 402 horsepower. The M4 is rated to deliver an average of 20 miles per gallon, with a highway range of 395 miles. The CLS is rated to deliver an average of 21 miles per gallon, with a highway range of 549 miles. This gives the 2018 Mercedes-Benz CLS the fuel efficiency and maximum range advantage over the 2018 BMW M4. Both models use premium unleaded.
Passenger Space Comparison: The 2018 Mercedes-Benz CLS, a large car, has the advantage of offering more interior volume, reflected in more front shoulder room, rear shoulder room, rear leg room, and cargo space. The 2018 BMW M4, a sports car, has the advantage in the areas of front head room, front leg room and rear head room.
New Car Pricing
Asking Price:
-
Starting MSRP:
77200
Category Avg Starting MSRP:
(Luxury Sports Cars)
91675
Category Starting MSRP Range:
(Luxury Sports Cars)
39950 - 453200
New Car Pricing
Asking Price:
-
Starting MSRP:
75150
Category Avg Starting MSRP:
(Luxury Large Cars)
79743
Category Starting MSRP Range:
(Luxury Large Cars)
29565 - 133300
Used Car Pricing
Avg Used Car Price:
43785
Price Range:
32778 - 53543
Category Avg Price:
(Luxury Sports Cars)
66135
Category Avg Price Range:
(Luxury Sports Cars)
24555 - 232640
# Used Cars for Sale Nationally:
50
Avg Mileage of Used Cars for Sale:
56170
# Good or Great Deals:
11
Used Car Pricing
Avg Used Car Price:
33999
Price Range:
23604 - 50746
Category Avg Price:
(Luxury Large Cars)
37066
Category Avg Price Range:
(Luxury Large Cars)
18272 - 76373
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
BMW M4 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.8 / 10
Safety:
Not available
Mercedes-Benz CLS Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.7 / 10
Retained Value:
7.3 / 10
Safety:
Not available
iSeeCars Reliability Insights for 2018 BMW M4
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
10.4
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
2.9 - 22.7
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for 2018 Mercedes-Benz CLS
Remaining Life Expectancy (years):
4.3
Typical Category Remaining Life Expectancy:
(Luxury Large Cars)
5.0
Category Remaining Life Expectancy Range:
(Luxury Large Cars)
0.2 - 9.1
Chance of Reaching 200k Miles for a New Car:
0.016
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.149493929566816
Typical Category Recalls:
(Luxury Sports Cars)
1.7
Category Range for Recalls:
(Luxury Sports Cars)
0.5 - 6.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.7526616783915716
Typical Category Recalls:
(Luxury Large Cars)
2.0
Category Range for Recalls:
(Luxury Large Cars)
0.5 - 82.7
BMW M4 Rankings
Ranking
1 out of / 38Ranking
1 out of / 23Ranking
1 out of / 23Ranking
1 out of / 1Ranking
2 out of / 3Ranking
3 out of / 38Ranking
4 out of / 23Ranking
4 out of / 23Ranking
5 out of / 23Ranking
6 out of / 12Ranking
7 out of / 38Ranking
8 out of / 38Ranking
9 out of / 38Ranking
10 out of / 23Ranking
12 out of / 21Ranking
18 out of / 38Ranking
18 out of / 23Ranking
19 out of / 38Ranking
35 out of / 38Mercedes-Benz CLS Rankings
Ranking
2 out of / 2Ranking
5 out of / 13Ranking
6 out of / 13Ranking
8 out of / 13Ranking
8 out of / 13Ranking
10 out of / 13Ranking
11 out of / 13Ranking
11 out of / 13Available Body Styles
Convertible, Coupe
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2018 BMW M4 Trim Levels
Not yet available
2018 Mercedes-Benz CLS Trim Levels
AMG CLS 63 S, CLS 550, CLS 550 4MATIC
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 / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
425 hp @ 5500 rpm
Torque:
406 foot-lbs @ 1850 rpm
Power-to-Weight Ratio (higher is better):
0.104 hp per pound
Base Drivetrain Specs
Horsepower:
402 hp @ 5000 rpm
Torque:
443 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.095 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 25 / 20
Range (city/hwy):
269 / 395 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
4.7 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 26 / 21
Range (city/hwy):
380 / 549 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Apple CarPlay:
Available
Automatic Parking:
Available
Heated Steering Wheel:
Available
Parking Sensors:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
N/A
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
Paddle Shifters:
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
Bench Seats:
N/A
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Power Lift Gate:
Available
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Available
Heated Steering Wheel:
Available
Parking Sensors:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Adaptive Cruise Control:
Available
Air Suspension:
Standard
Android Auto:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
Standard
Roof Rack:
N/A
Sunroof/Moonroof:
Standard
Trailer Hitch:
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:
Standard
360-Degree Camera:
N/A
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:
N/A
Rear Cross-Traffic Alert:
N/A
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:
7.9 cubic feet
Overall Interior Volume:
91.0 cubic feet
Interior Dimensions
Front Head Room:
36.9 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
57.1 inches
Rear Head Room:
36.1 inches
Rear Leg Room:
35 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
11 cubic feet
Overall Interior Volume:
92.0 cubic feet
Exterior Dimensions
Curb Weight:
4070 lbs
Width:
79.3 inches
Height:
54.8 inches
Length:
184.5 inches
Wheelbase:
110.7 inches
Ground Clearance:
4.7 inches
Exterior Dimensions
Curb Weight:
4233 lbs
Width:
81.7 inches
Height:
55.8 inches
Length:
194.5 inches
Wheelbase:
113.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/40R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/40R18
Exterior Colors
Black
Azurite Black Metallic / Black Sapphire Metallic
Blue
Tanzanite Blue Metallic / Yas Marina Blue Metallic
Brown
Smoked Topaz Metallic
Gray
Mineral Grey Metallic
Orange
Sakhir Orange II Metallic
Silver
Champagne Quartz Metallic / Silverstone Metallic
White
Alpine White / Mineral White Metallic
Yellow
Austin Yellow Metallic
Red
Not available
Exterior Colors
Black
Black / designo Mocha Black Metallic / Magnetite Black Metallic / Obsidian Black Metallic
Blue
Lunar Blue Metallic
Brown
Dakota Brown Metallic
Gray
designo Manufaktur Alanite Grey Magno Matte / designo Selenite Grey Magno / Selenite Grey Metallic
Orange
Not available
Silver
Diamond Silver Metallic / Iridium Silver Metallic
White
designo Cashmere White Magno Matte / designo Diamond White Metallic
Yellow
Not available
Red
designo Cardinal Red Metallic
Interior Colors
Beige
Sonoma Beige
Black
Black
Brown
Amaro Brown / Cohiba Brown/Black / Golden Brown / Nutmeg
Gray
Silverstone
Orange
Sakhir Orange/Black
Red
Sakhir Orange/Black
White
Opal White
Interior Colors
Beige
Silk Beige/Espresso Brown
Black
Black / Black w/ Grey Stitching
Brown
designo Saddle Brown/Silk Beige / Saddle Brown/Black
Gray
Crystal Grey/Black
Orange
Not available
Red
designo Classic Red/Black
White
Porcelain/Black
