Jaguar XJ vs. Rolls-Royce Dawn

 White
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
$75,400 - $78,300
$346,300 (MSRP)

Expert Rating

Expert Rating
Not Available

Owner Reviews

Owner Reviews
Not Available

Horsepower

Horsepower
340 hp
563 hp

Bluetooth

Bluetooth

BackUp Camera

BackUp Camera
Optional
Optional

Engine Type

Engine Type
3.0L 24V V6 Supercharged
6.6L Twin

Interior Features

Alarm

Alarm

BackUp Camera

BackUp Camera
Optional
Optional

Keyless Entry

Keyless Entry
Optional

Universal Garage Door Opener

Universal Garage Door Opener
Optional

Rain Sensing Wipers

Rain Sensing Wipers

Heated Mirrors

Heated Mirrors

Heated Steering Wheel

Heated Steering Wheel
Optional

Power Mirrors

Power Mirrors

Steering Wheel Controls

Steering Wheel Controls
Optional

Cruise Control

Cruise Control

Power Windows

Power Windows

Rear Defrost

Rear Defrost
Optional

Premium Sound System

Premium Sound System
Optional

Front Leg Room

Front Leg Room
41.5 in.
41.5 in.

Rear Leg Room

Rear Leg Room
38.9 in.
40.1 in.

Trunk Volume

Trunk Volume
15.2 cu. ft.
36.9 in.

Bluetooth

Bluetooth

MP3 Player

MP3 Player

Satellite Radio

Satellite Radio

WiFi Hotspot

WiFi Hotspot

Smart Device Integration

Smart Device Integration

AUX Input

AUX Input

Climate Control

Climate Control
Optional

AC

AC
Optional

Dual Zone

Dual Zone
Optional

Navigation System

Navigation System

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

Heated Rear Seats

Heated Rear Seats

Cooled Front Seats

Cooled Front Seats
Optional
Optional

Cooled Rear Seats

Cooled Rear Seats

Seat Memory

Seat Memory
Optional
Optional

Seat Massage

Seat Massage
Optional

Exterior Features

Standard Wheels

Standard Wheels

Power Folding Mirror

Power Folding Mirror
Optional

Rear Spoiler

Rear Spoiler
Optional

Tire Width

Tire Width
P245/40YR20 - P245/45HR19
P255/45YR20 - P255/50YR21

Wheelbase

Wheelbase
119.4 in.
122.5 in.

Turning Radius

Turning Radius
39 - 40.7 ft.
41.7 ft.

Length

Length
202 in.
208.5 in.

Width

Width
74.8 in.
76.7 in.

Mechanical Specs

Weight

Weight
3891 - 4112 lbs.
5644 lbs.

Horsepower

Horsepower
340 hp
563 hp

Torque

Torque
332 ft. lbs.
605 ft. lbs.

4wheel Disc Brakes

4wheel Disc Brakes

Performance Tires

Performance Tires
Optional

Engine Cylinders

Engine Cylinders
V6 Cylinder
Optional

Drivetrain

Drivetrain
12 Cylinders

Fuel Capacity

Fuel Capacity
21.1 gal.
21.7 gal.

Combined

Combined
22 - 23 mpg
15 mpg

City

City
17 - 18 mpg
12 mpg

Highway

Highway
26 - 27 mpg
18 mpg

Active Suspension

Active Suspension

Air Suspension

Air Suspension

Safety Features

Spare Tire

Spare Tire
Temporary Spare Tire

ABS Brakes

ABS Brakes

Automatic Headlights

Automatic Headlights

Tire Pressure Monitor System

Tire Pressure Monitor System

Child Safety Locks

Child Safety Locks

Stability Control

Stability Control

Traction Control

Traction Control

Auto Leveling Headlights

Auto Leveling Headlights

Rear Parking Sensors

Rear Parking Sensors
Optional
Optional

Adaptive Cruise Control

Adaptive Cruise Control
Optional
Optional

Automated Emergency Braking

Automated Emergency Braking

Driver Airbag

Driver Airbag

Passenger Airbag

Passenger Airbag

Front Side Airbag

Front Side Airbag

Front Head Airbag

Front Head Airbag

Rear Head Airbag

Rear Head Airbag

Tech Specs

Vehicle Name

Vehicle Name
Jaguar XJ
Rolls-Royce Dawn

Body Style

Body Style
Sedan
Convertible

Drivetrain

Drivetrain
All Wheel Drive - Rear Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Large Cars
Compact Cars

Passenger Capacity

Passenger Capacity
5
4

Base Curb Weight

Base Curb Weight
3891 - 4112 lbs.
100 ft³.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
20 - 21 mpg.
5644 lbs.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
17 - 18 mpg.
14 mpg.

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
26 - 27 mpg.
12 mpg.

Engine Type

Engine Type
Intercooled Supercharger Premium Unleaded V-6
18 mpg.

Displacement

Displacement
3.0 L/183
Twin Turbo Premium Unleaded V-12

Fuel System

Fuel System
Gasoline Direct Injection
6.6 L/402

Trans Type

Trans Type
8
Gasoline Direct Injection

Trans Description Cont.

Trans Description Cont.
Automatic w/OD
8

First Gear Ratio (:1)

First Gear Ratio (:1)
4.71
Automatic w/OD

Second Gear Ratio (:1)

Second Gear Ratio (:1)
3.14
5.00

Third Gear Ratio (:1)

Third Gear Ratio (:1)
2.11
3.20

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.67
2.14

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
1.29
1.72

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
1.00
1.31

Reverse Ratio (:1)

Reverse Ratio (:1)
3.30 - 3.32
1.00

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
2.73
3.48

Cold Cranking Amps @ 0° F (Primary)

Cold Cranking Amps @ 0° F (Primary)
950
2.81

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

Tons/yr of CO2 Emissions @ 15K mi/year
8.4 - 8.8
12.6

Maximum Alternator Capacity (amps)

Maximum Alternator Capacity (amps)
130
220

Suspension Type - Front

Suspension Type - Front
Double Wishbone
Double Wishbone

Suspension Type - Rear

Suspension Type - Rear
Double Wishbone
Multi-Link

Suspension Type - Front (Cont.)

Suspension Type - Front (Cont.)
Double Wishbone
Double Wishbone

Suspension Type - Rear (Cont.)

Suspension Type - Rear (Cont.)
Double Wishbone
Multi-Link

Front Tire Order Code

Front Tire Order Code
C61M
P255/45YR20 - P255/50YR21

Rear Tire Order Code

Rear Tire Order Code
C61M
P285/40YR20 - P285/45YR21

Front Tire Size

Front Tire Size
P245/40YR20 - P245/45HR19
20 X 8.5 - 21 X 8.5 in.

Rear Tire Size

Rear Tire Size
P275/35YR20 - P275/40HR19
20 X 9.5 - 21 X 9.5 in.

Spare Tire Size

Spare Tire Size
Compact
Aluminum, Carbon Fibre/Aluminum, Forged Aluminum

Front Wheel Size

Front Wheel Size
19 X 9 - 20 X 9 in.
Aluminum, Carbon Fibre/Aluminum, Forged Aluminum

Rear Wheel Size

Rear Wheel Size
19 X 10 - 20 X 10 in.
Rack-Pinion

Spare Wheel Size

Spare Wheel Size
Compact in.
41.7 ft.

Front Wheel Material

Front Wheel Material
Aluminum
4-Wheel Disc

Rear Wheel Material

Rear Wheel Material
Aluminum
4-Wheel

Spare Wheel Material

Spare Wheel Material
Aluminum
Yes

Steering Type

Steering Type
Rack-Pinion
Yes

Turning Diameter - Curb to Curb

Turning Diameter - Curb to Curb
39 - 40.7 ft.
14.7 in.

Brake Type

Brake Type
4-Wheel Disc
14.6 in.

Brake ABS System

Brake ABS System
4-Wheel
21.7 gal.

Disc - Front

Disc - Front
Yes
40.1 in.

Disc - Rear

Disc - Rear
Yes
41.5 in.

Front Brake Rotor Diam x Thickness

Front Brake Rotor Diam x Thickness
14 in.
59 in.

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
12.8 in.
37.9 in.

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
21.1 gal.
36.9 in.

Front Leg Room

Front Leg Room
41.5 in.
53.1 in.

Second Leg Room

Second Leg Room
38.9 in.
122.5 in.

Wheelbase

Wheelbase
119.4 in.
208.5 in.

Length, Overall

Length, Overall
202 in.
76.7 in.

Width, Max w/o mirrors

Width, Max w/o mirrors
74.8 in.
59.1 in.

Height, Overall

Height, Overall
57.5 in.
63.7 in.

Track Width, Front

Track Width, Front
64 in.
65.5 in.

Track Width, Rear

Track Width, Rear
63.1 in.
9.2 ft³.

Trunk Volume

Trunk Volume
15.2 ft³.
0.84

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.84
0.67

Eighth Gear Ratio (:1)

Eighth Gear Ratio (:1)
0.67
Dawn

Model Group

Model Group
XJ
Luxury High

Vehicle Segment

Vehicle Segment
Luxury High
Convertible

Vehicle Type

Vehicle Type
Sedan
6.6

Engine Displacement Units

Engine Displacement Units
3.0
DOHC

Engine Camshaft

Engine Camshaft
DOHC
aluminum

Engine Block Type

Engine Block Type
aluminum
12

Engine Cylinder Count

Engine Cylinder Count
6
4