Cadillac CT6 vs. Rolls-Royce Dawn

 Blue
VS
 2018 Rolls-Royce Dawn 2dr Convertible Base 1311-OEM Exterior 3/4 Front White Background

Key Specs

Kelley Blue Book Value

Kelley Blue Book
$35,495 - $54,095
$346,300 (MSRP)

Expert Rating

Expert Rating
Not Available

Owner Reviews

Owner Reviews
Not Available

Horsepower

Horsepower
265 - 272 hp
563 hp

Bluetooth

Bluetooth
Optional

BackUp Camera

BackUp Camera
Optional

Engine Type

Engine Type
2.0L Turbo I4 DI DOHC VVT
6.6L Twin

Interior Features

Sun Roof

Sun Roof
Optional

Alarm

Alarm
Optional

BackUp Camera

BackUp Camera
Optional

Keyless Entry

Keyless Entry
Optional

Rain Sensing Wipers

Rain Sensing Wipers
Optional

Heated Mirrors

Heated Mirrors
Optional

Heated Steering Wheel

Heated Steering Wheel
Optional

Power Mirrors

Power Mirrors
Optional

Cruise Control

Cruise Control
Optional

Premium Sound System

Premium Sound System
Optional

Power Steering

Power Steering

Front Leg Room

Front Leg Room
42.5 - 46.4 in.
41.5 in.

Front Head Room

Front Head Room
38.6 - 40.4 in.
40.1 in.

Rear Leg Room

Rear Leg Room
33.5 - 40.4 in.
36.9 in.

Second Head Room

Second Head Room
36.8 - 38.06 in.
37.9 in.

Trunk Volume

Trunk Volume
10.4 - 15.3 cu. ft.
9.2 cu. ft.

Bluetooth

Bluetooth
Optional

MP3 Player

MP3 Player
Optional

Satellite Radio

Satellite Radio

WiFi Hotspot

WiFi Hotspot

Smart Device Integration

Smart Device Integration
Optional

AUX Input

AUX Input
Optional

Climate Control

Climate Control

Dual Zone

Dual Zone

Navigation System

Navigation System
Optional

Standard Seat

Standard Seat

Passengers

Passengers
5
4

Power Driver Seat

Power Driver Seat
Optional

Power Passenger Seat

Power Passenger Seat
Optional

Heated Front Seats

Heated Front Seats
Optional
Optional

Cooled Front Seats

Cooled Front Seats
Optional

Pass Through Rear Seat

Pass Through Rear Seat
Optional
Optional

Driver Lumbar

Driver Lumbar
Optional

Exterior Features

Standard Wheels

Standard Wheels

Power Folding Mirror

Power Folding Mirror
Optional
Optional

Rear Spoiler

Rear Spoiler
Optional
Optional

Tire Width

Tire Width
225/35ZR19 - P255/35R19
P255/45YR20 - P255/50YR21

Wheelbase

Wheelbase
109.3 - 122.4 in.
122.5 in.

Turning Radius

Turning Radius
36.38 - 37.1 ft.
41.7 ft.

Length

Length
182.8 - 204.1 in.
208.5 in.

Width

Width
71.1 - 74 in.
76.7 in.

Mechanical Specs

Weight

Weight
3373 - 3666 lbs.
5644 lbs.

Horsepower

Horsepower
265 - 272 hp
563 hp

Torque

Torque
295 ft. lbs.
605 ft. lbs.

Maximum Tongue Weight

Maximum Tongue Weight
100 lbs.

Turbocharged

Turbocharged
Optional

4wheel Disc Brakes

4wheel Disc Brakes
Optional

Limited Slip Differential

Limited Slip Differential
Optional
12 Cylinders

Performance Tires

Performance Tires
Optional
Rear Wheel Drive

Fuel Capacity

Fuel Capacity
16 - 19.5 gal.
21.7 gal.

Combined

Combined
25 - 27 mpg
15 mpg

City

City
20 - 22 mpg
12 mpg

Highway

Highway
29 - 31 mpg
18 mpg

Safety Features

Spare Tire

Spare Tire

ABS Brakes

ABS Brakes

Automated Emergency Braking

Automated Emergency Braking
Optional

Driver Airbag

Driver Airbag

Passenger Airbag

Passenger Airbag

Front Side Airbag

Front Side Airbag

Front Head Airbag

Front Head Airbag

Passenger Airbag Sensor

Passenger Airbag Sensor

Tech Specs

Vehicle Name

Vehicle Name
Cadillac ATS Sedan, Cadillac CT6, Cadillac CTS Sedan
Rolls-Royce Dawn

Body Style

Body Style
4 Door Sedan - Sedan
Convertible

Drivetrain

Drivetrain
Rear Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Compact Cars, Large Cars, Mid-Size
Compact Cars

Passenger Capacity

Passenger Capacity
5
4

Passenger Volume

Passenger Volume
91 - 106 ft³.
100 ft³.

Base Curb Weight

Base Curb Weight
3373 - 3666 lbs.
5644 lbs.

Number of Passenger Doors

Number of Passenger Doors
4
14 mpg.

Tons/yr of CO2 Emissions @ 15K mi/year

Tons/yr of CO2 Emissions @ 15K mi/year
7.1 - 7.7
12 mpg.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
20 - 22 mpg.
18 mpg.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
23 - 25 mpg.
Twin Turbo Premium Unleaded V-12

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
29 - 31 mpg.
6.6 L/402

Dead Weight Hitch - Max Trailer Wt.

Dead Weight Hitch - Max Trailer Wt.
1000 - N/A lbs.
Gasoline Direct Injection

Dead Weight Hitch - Max Tongue Wt.

Dead Weight Hitch - Max Tongue Wt.
100 - N/A lbs.
8

Wt Distributing Hitch - Max Trailer Wt.

Wt Distributing Hitch - Max Trailer Wt.
N/A lbs.
Automatic w/OD

Wt Distributing Hitch - Max Tongue Wt.

Wt Distributing Hitch - Max Tongue Wt.
N/A lbs.
5.00

Engine Order Code

Engine Order Code
LTG
3.20

Engine Type

Engine Type
Turbocharged Gas I4
2.14

Displacement

Displacement
2.0L/ - 2.0L/122
1.72

Fuel System

Fuel System
Direct Injection - SIDI
1.31

Trans Order Code

Trans Order Code
M3L - M5N
1.00

Trans Type

Trans Type
6 - 8
3.48

Trans Description Cont.

Trans Description Cont.
Automatic - Manual
2.81

First Gear Ratio (:1)

First Gear Ratio (:1)
4.12 - 4.62
12.6

Second Gear Ratio (:1)

Second Gear Ratio (:1)
2.62 - 3.04
220

Third Gear Ratio (:1)

Third Gear Ratio (:1)
1.81 - 2.07
Double Wishbone

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.30 - 1.66
Multi-Link

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
1.00 - 1.26
Double Wishbone

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
0.80 - 1.00
Multi-Link

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.85
P255/45YR20 - P255/50YR21

Eighth Gear Ratio (:1)

Eighth Gear Ratio (:1)
0.66
P285/40YR20 - P285/45YR21

Reverse Ratio (:1)

Reverse Ratio (:1)
3.75 - 3.93
20 X 8.5 - 21 X 8.5 in.

Clutch Size

Clutch Size
N/A in.
20 X 9.5 - 21 X 9.5 in.

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
2.85 - 3.27
Aluminum, Carbon Fibre/Aluminum, Forged Aluminum

Total Cooling System Capacity

Total Cooling System Capacity
8.1 - 9.0 qts.
Aluminum, Carbon Fibre/Aluminum, Forged Aluminum

Suspension Type - Front

Suspension Type - Front
Independent - MacPherson Strut
Rack-Pinion

Suspension Type - Rear

Suspension Type - Rear
Five-Link, Independent, Independent Multi-Link
41.7 ft.

Front Tire Order Code

Front Tire Order Code
R3X, RA6, RB7, RHN, RHS, RJP, RJZ
4-Wheel Disc

Rear Tire Order Code

Rear Tire Order Code
R3X, RA6, RB7, RHN, RHS, RJP, RJZ
4-Wheel

Spare Tire Order Code

Spare Tire Order Code
ZCD
Yes

Front Tire Size

Front Tire Size
225/35ZR19, P225/40R18, P225/45R17, P235/50R18, P245/45R17, P245/45R19, P255/35R19
Yes

Rear Tire Size

Rear Tire Size
255/30ZR19, P225/40R18, P225/45R17, P235/50R18, P245/45R17, P245/45R19, P255/35R19
14.7 in.

Spare Tire Size

Spare Tire Size
T135/70R18
14.6 in.

Front Wheel Size

Front Wheel Size
17 x 8.0 - 19 x 8.5 in.
21.7 gal.

Rear Wheel Size

Rear Wheel Size
17 x 8.0 - 19 x 8.5 in.
40.1 in.

Spare Wheel Size

Spare Wheel Size
18 in.
41.5 in.

Front Wheel Material

Front Wheel Material
Aluminum
59 in.

Rear Wheel Material

Rear Wheel Material
Aluminum
37.9 in.

Steering Type

Steering Type
Electric Rack & Pinion, Pwr, Pwr Rack & Pinion
36.9 in.

Steering Ratio (:1), Overall

Steering Ratio (:1), Overall
16.5 - 16.8
53.1 in.

Lock to Lock Turns (Steering)

Lock to Lock Turns (Steering)
2.6 - 3.16
122.5 in.

Turning Diameter - Curb to Curb

Turning Diameter - Curb to Curb
36.38 - 37.1 ft.
208.5 in.

Turning Diameter - Wall to Wall

Turning Diameter - Wall to Wall
N/A ft.
76.7 in.

Brake Type

Brake Type
Pwr
59.1 in.

Brake ABS System

Brake ABS System
4-Wheel - Yes
63.7 in.

Disc - Front

Disc - Front
Yes
65.5 in.

Disc - Rear

Disc - Rear
Yes
9.2 ft³.

Front Brake Rotor Diam x Thickness

Front Brake Rotor Diam x Thickness
12.6 - 13.6 in.
0.84

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
12.4 - 12.40 x 0.90 in.
0.67

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
16.0 - 19.5 gal.
Dawn

Front Head Room

Front Head Room
38.60 - 40.4 in.
Luxury High

Front Leg Room

Front Leg Room
42.50 - 46.4 in.
Convertible

Front Shoulder Room

Front Shoulder Room
55.20 - 58.3 in.
6.6

Front Hip Room

Front Hip Room
53.00 - 55.9 in.
DOHC

Second Head Room

Second Head Room
36.80 - 38.06 in.
aluminum

Second Leg Room

Second Leg Room
33.50 - 40.4 in.
12

Second Shoulder Room

Second Shoulder Room
53.90 - 56.2 in.
4