2018 BMW M5 vs. 2018 Cadillac CTS-V
iSeeCars' unbiased and data-driven comparison of the 2018 BMW M5 and 2018 Cadillac CTS-V 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 M5 and the 2018 Cadillac CTS-V.
In comparing the 2018 BMW M5's and the 2018 Cadillac CTS-V's specifications and ratings, the 2018 BMW M5 has the advantage in the areas of typical lower range of pricing for used cars, reliability, resale value, interior volume and overall quality score. The 2018 Cadillac CTS-V has the advantage in the area of base engine power. The 2018 BMW M5 and 2018 Cadillac CTS-V have the same fuel efficiency. Based on this comparison of the 2018 BMW M5's and the 2018 Cadillac CTS-V's specifications and ratings, the 2018 BMW M5 is a better car than the 2018 Cadillac CTS-V.
Pricing: A used 2018 BMW M5 ranges from $46,490 to $65,911 while a used 2018 Cadillac CTS-V is priced between $54,422 to $79,992.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the 2018 BMW M5 loses 54.1 percent of its value and the 2018 Cadillac CTS-V loses 54.5 percent of its value. This means the 2018 BMW M5 retains 0.4 percentage points more of its value and has the advantage of higher resale value versus the 2018 Cadillac CTS-V.
Quality Rating: The iSeeCars Overall Quality rating for the BMW M5 is 7.3 out of 10 while the Cadillac CTS-V's quality rating is 7.2 out of 10. This results in the BMW M5 being ranked 15 out of 29 Best Luxury Midsize Cars and the Cadillac CTS-V being ranked 13 out of 24 Best Luxury Large Cars.
Reliability Rating: iSeeCars’ Reliability Rating for the BMW M5 is 7.6 out of 10. For the Cadillac CTS-V the reliability rating is 6.6 out of 10. This gives the BMW M5 a slight advantage in reliability compared to the Cadillac CTS-V.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2018 BMW M5’s base engine makes 600 horsepower, and the 2018 Cadillac CTS-V base engine makes 640 horsepower. Both the M5 and the CTS-V are rated to deliver an average of 17 miles per gallon, with highway ranges of 422 and 399 miles respectively. Both models use premium unleaded.
Passenger Space Comparison: The 2018 BMW M5 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear head room, rear shoulder room, rear leg room, and cargo space. The 2018 Cadillac CTS-V has the advantage in the area of front leg room.
Safety Ratings: The 2018 Cadillac CTS-V has an average safety rating of 4 out of 5 Stars based on NHTSA's crash test ratings.
New Car Pricing
Asking Price:
-
Starting MSRP:
$102,600
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$57,329
Category Starting MSRP Range:
(Luxury Midsize Cars)
$24,990 - $119,800
New Car Pricing
Asking Price:
-
Starting MSRP:
$86,495
Category Avg Starting MSRP:
(Luxury Large Cars)
$79,743
Category Starting MSRP Range:
(Luxury Large Cars)
$29,565 - $133,300
Used Car Pricing
Avg Used Car Price:
$56,710
Price Range:
$46,490 - $65,911
Category Avg Price:
(Luxury Midsize Cars)
$31,667
Category Avg Price Range:
(Luxury Midsize Cars)
$18,314 - $65,017
# Used Cars for Sale Nationally:
11
Avg Mileage of Used Cars for Sale:
58,961
# Good or Great Deals:
1
Used Car Pricing
Avg Used Car Price:
$68,373
Price Range:
$54,422 - $79,992
Category Avg Price:
(Luxury Large Cars)
$42,393
Category Avg Price Range:
(Luxury Large Cars)
$19,448 - $94,476
# Used Cars for Sale Nationally:
17
Avg Mileage of Used Cars for Sale:
35,628
# Good or Great Deals:
1
BMW M5 Scores & Rankings
Overall Score:
7.3 / 10
Reliability:
7.6 / 10
Retained Value:
7.1 / 10
Safety:
Not available
Cadillac CTS-V Scores & Rankings
Overall Score:
7.2 / 10
Reliability:
6.6 / 10
Retained Value:
7.1 / 10
Safety:
8.0 / 10
iSeeCars Reliability Insights for 2018 BMW M5
Remaining Life Expectancy (years):
2
Typical Category Remaining Life Expectancy:
(Luxury Midsize Cars)
5.4
Category Remaining Life Expectancy Range:
(Luxury Midsize Cars)
2 - 8.6
Chance of Reaching 200k Miles for a New Car:
0%
iSeeCars Reliability Insights for 2018 Cadillac CTS-V
Remaining Life Expectancy (years):
3.7
Typical Category Remaining Life Expectancy:
(Luxury Large Cars)
5.2
Category Remaining Life Expectancy Range:
(Luxury Large Cars)
1.7 - 8.7
Chance of Reaching 200k Miles for a New Car:
0%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
8.7
Typical Category Recalls:
(Luxury Midsize Cars)
1.9
Category Range for Recalls:
(Luxury Midsize Cars)
1 - 27.9
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
0.9
Typical Category Recalls:
(Luxury Large Cars)
2.1
Category Range for Recalls:
(Luxury Large Cars)
0.5 - 100.6
BMW M5 Rankings
Ranking
2 out of / 29Ranking
4 out of / 29Ranking
4 out of / 29Ranking
9 out of / 9Ranking
13 out of / 29Ranking
14 out of / 29Ranking
15 out of / 29Ranking
17 out of / 29Ranking
19 out of / 20Cadillac CTS-V Rankings
Ranking
1 out of / 24Ranking
3 out of / 24Ranking
3 out of / 7Ranking
7 out of / 24Ranking
13 out of / 24Ranking
17 out of / 24Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2018 BMW M5 Trim Levels
Base
2018 Cadillac CTS-V Trim Levels
Base
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:
6 years / 70000 miles
Warranty, Roadside Assistance:
6 years / 70000 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):
4 out of 5 Stars
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
600 hp @ 5700 rpm
Torque:
553 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.137 hp per pound
Base Drivetrain Specs
Horsepower:
640 hp @ 6400 rpm
Torque:
630 foot-lbs @ 3600 rpm
Power-to-Weight Ratio (higher is better):
0.155 hp per pound
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 21 / 17
Range (city/hwy):
302 / 422 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
6.2 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 21 / 17
Range (city/hwy):
266 / 399 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
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
Apple CarPlay:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Massage Seats:
Available
Sunroof/Moonroof:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Android Auto:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
N/A
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
N/A
Apple CarPlay:
Standard
Automatic Parking:
Standard
Cooled/Ventilated Seats:
Standard
Massage Seats:
N/A
Sunroof/Moonroof:
Available
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Air Suspension:
Standard
Android Auto:
Standard
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
Driver Attention Monitoring:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
N/A
360-Degree Camera:
N/A
Lane Keeping Assist:
Standard
Rear Cross-Traffic Alert:
Standard
Driver Attention Monitoring:
N/A
Rear Seat Reminder:
Standard
Interior Dimensions
Front Head Room:
40.7 inches
Front Leg Room:
41.4 inches
Front Shoulder Room:
58.7 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
36.5 inches
Rear Shoulder Room:
55.9 inches
Cargo Space:
14 cubic feet
Overall Interior Volume:
99.0 cubic feet
Interior Dimensions
Front Head Room:
40.4 inches
Front Leg Room:
45.7 inches
Front Shoulder Room:
56.9 inches
Rear Head Room:
37.5 inches
Rear Leg Room:
35.4 inches
Rear Shoulder Room:
54.8 inches
Cargo Space:
13.7 cubic feet
Overall Interior Volume:
97.0 cubic feet
Exterior Dimensions
Curb Weight:
4370 lbs
Width:
83.7 inches
Height:
58 inches
Length:
195.5 inches
Wheelbase:
117.4 inches
Ground Clearance:
5.2 inches
Exterior Dimensions
Curb Weight:
4141 lbs
Width:
72.2 inches
Height:
57.2 inches
Length:
197.6 inches
Wheelbase:
114.6 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
19.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
275/40R19
Standard Wheel/Tire Information
Wheel Size:
19.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
P265/35R19
Exterior Colors
Black
Azurite Black Metallic / Black Sapphire Metallic
Blue
Bluestone Metallic / Marina Bay Blue Metallic / Snapper Rocks Blue Metallic
Brown
Almandine Brown Metallic
Gray
Donington Grey Metallic / Rhodonite Silver Metallic / Singapore Gray Metallic
Silver
Champagne Quartz Metallic
White
Alpine White
Red
Not available
Exterior Colors
Black
Black Raven
Blue
Vector Blue Metallic
Brown
Not available
Gray
Phantom Gray Metallic / Satin Steel Metallic
Silver
Glacier Metallic
White
Crystal White Tricoat
Red
Red Obsession Tintcoat
Interior Colors
Black
Black
Brown
Aragon Brown / Caramel/Black / Tartufo
Gray
Silverstone
White
Smoke White/Black
Interior Colors
Black
Jet Black w/Jet Black Accents / Jet Black w/Morello Red Accents / Jet Black w/Saffron Accents
Brown
Not available
Gray
Light Platinum w/Jet Black Accents
White
Not available