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Compare Acura RLX vs Cadillac CT6 Sedan vs Mercedes-Benz S-Class Sedan

Acura RLX
2020 Acura RLX
Select configuration:
$54,900
Starting Price (MSRP)
7.1
Acura RLX Full Review
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Cadillac CT6 Sedan
2020 Cadillac CT6 Sedan
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$58,995
Starting Price (MSRP)
8.1
Cadillac CT6 Sedan Full Review
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Mercedes-Benz S-Class Sedan
2020 Mercedes-Benz S-Class Sedan
Select configuration:
$94,250
Starting Price (MSRP)
9.1
Mercedes-Benz S-Class Sedan Full Review
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Overview

Engine
3.5-liter V6 Gas
Engine
3.6-liter V6 Gas
Engine
3.0-liter Twin-Turbo V6 Gas
Transmission
10-Speed Automatic
Transmission
10-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
Front-Wheel Drive
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 20 MPG
Hwy: 29 MPG
Fuel Economy
City: 18 MPG
Hwy: 27 MPG
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Tank Capacity
18.5 gallons
Fuel Tank Capacity
19.2 gallons
Fuel Tank Capacity
21.1 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
14.9 ft³
Trunk Volume
15.8 ft³
Trunk Volume
12.3 ft³

Photos

40
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41
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Performance Specs

Engine and Transmission

Engine
3.5-liter V6 Gas
3.6-liter V6 Gas
3.0-liter Twin-Turbo V6 Gas
Horsepower
310 hp @ 6500 rpm
335 hp @ 6800 rpm
362 hp @ 5500 rpm
Torque
272 lb-ft @ 4500 rpm
284 lb-ft @ 5300 rpm
369 lb-ft @ 1600 rpm
Transmission
10-Speed Automatic
10-Speed Automatic
9-Speed Automatic
Drivetrain
Front-Wheel Drive
All-Wheel Drive
Rear-Wheel Drive

Steering

Steering Type
Rack-Pinion
Electric Rack & Pinion
Rack-Pinion
Turning Diameter
40.5 ft
N/A
N/A

Wheels

Wheels Type
N/A
N/A
Aluminum Wheels
Front Wheel Size
19" x 8"
19" x TBD
18" x 8"
Rear Wheel Size
19" x 8"
19" x TBD
18" x 8"

Suspension

Front Suspension
Double Wishbone
Independent
Multi-Link
Rear Suspension
Multi-Link
Independent
Multi-Link

Tires

Front Tire
P245/40WR19
P245/45R19
P245/50HR18
Rear Tire
P245/40WR19
P245/45R19
P245/50HR18
Spare Tire
N/A
T135/70R18
N/A

Fuel and MPG

Fuel Economy

Combined
23 MPG
21 MPG
22 MPG
City
20 MPG
18 MPG
19 MPG
Highway
29 MPG
27 MPG
28 MPG

Emissions

CO2 Emissions @ 15K mi/year
7.6 Tons/yr
8.4 Tons/yr
8.1 Tons/yr

Fuel Tank

Fuel Tank Capacity
18.5 gallons
19.2 gallons
21.1 gallons
Cruising Range City
370 miles
345.6 miles
400.9 miles
Cruising Range Highway
536.5 miles
518.4 miles
590.8 miles

Dimensions and Measurement

Exterior Dimensions

Length
198.1 in
205.8 in
206.9 in
Height
57.7 in
58 in
58.8 in
Max Width
74.4 in
74 in
N/A
Front Width
64.3 in
63.4 in
63.9 in
Rear Width
64.2 in
64 in
64.5 in
Wheelbase
112.2 in
122.4 in
124.6 in
Ground Clearance
3.8 in
N/A
5 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
42.3 in
46.4 in
41.4 in
Front Seat Headroom
37.6 in
40.2 in
42.1 in
Front Seat Shoulder Room
59.6 in
58.3 in
59.7 in
Front Seat Hip Room
55.9 in
55.9 in
61.2 in
Rear Seat Leg Room
38.8 in
40.4 in
43 in
Rear Seat Headroom
36.9 in
38 in
39.2 in
Rear Seat Shoulder Room
57 in
56.2 in
59.1 in
Rear Seat Hip Room
54.5 in
53.5 in
61.5 in

Weight and Trailing

Curb Weight
3,977 lbs
4,063 lbs
4,553 lbs

Cargo Space

Trunk Volume
14.9 ft³
15.8 ft³
12.3 ft³

Colors and Materials

Standard Exterior Colors

  • Fathom Blue Pearl
  • Gilded Pewter Metallic
  • Gilded Pewter Metallic
  • Lunar Silver Metallic
  • Modern Steel Metallic
  • Modern Steel Metallic
  • Platinum White Pearl
  • Platinum White Pearl
  • Platinum White Pearl
N/A
  • Anthracite Blue Metallic
  • Black
  • Diamond Silver Metallic
  • Dune Silver Metallic
  • Emerald Green Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Magnetite Black Metallic
  • Obsidian Black Metallic
  • Ruby Black Metallic
  • Selenite Grey

Optional Exterior Colors

  • Brilliant Red Metallic
  • Brilliant Red Metallic
  • Majestic Black Pearl
  • Majestic Black Pearl
  • Majestic Black Pearl
N/A
designo Diamond White

Standard Interior Materials

  • Ebony, Perforated Milano Premium Leather-Trimmed Interior
  • Espresso, Perforated Milano Premium Leather-Trimmed Interior
  • Graystone, Perforated Milano Premium Leather-Trimmed Interior
  • Seacoast, Perforated Milano Premium Leather-Trimmed Interior
  • Jet Black, Leather Seating Surfaces
  • Sahara Beige with Jet Black accents, Leather Seating Surfaces
  • Black, Leather Upholstery
  • designo Silk Beige/Blue, Semi-Aniline Leather Upholstery
  • designo Silk Beige/Grey, Semi-Aniline Leather Upholstery
  • designo Silk Beige/Red, Semi-Aniline Leather Upholstery
  • Nut Brown/Black, Leather Upholstery
  • Sahara Beige, Leather Upholstery

Optional Interior Materials

N/A
N/A
  • Black, Nappa Leather Upholstery
  • Magma Grey/Espresso Brown, Nappa Leather Upholstery
  • Nut Brown/Black, Nappa Leather Upholstery
  • Porcelain/Black, Nappa Leather Upholstery
  • Silk Beige/Espresso Brown, Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Magma Grey/Espresso Brown, Exclusive Nappa Leather Upholstery
  • Mahogany/Silk Beige, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery
  • Sand, Exclusive Nappa Leather Upholstery

Features and Options

Infotainment

HD Radio
Standard
Not Available
Standard
Bluetooth Connection
Standard
Standard
Standard
Hard Disk Drive Media Storage
Standard
Not Available
Standard
Premium Sound System
Standard
Standard
Standard
Satellite Radio
Standard
Standard
Standard
Smart Device Integration
Standard
Not Available
Standard
WiFi Hotspot
Not Available
Standard
Standard
Auxiliary Audio Input
Standard
Standard
Standard
Entertainment System
Not Available
Not Available
Optional
MP3 Player
Standard
Standard
Standard

Interior Trim

Bucket Seats
Standard
Not Available
Standard
Cloth Seats
Standard
Standard
Standard
Leather Seats
Standard
Standard
Standard
Leather Steering Wheel
Standard
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Standard
Vinyl Seats
Standard
Standard
Standard
Woodgrain Interior Trim
Standard
Standard
Not Available
Sun/Moonroof
Standard
Standard
Standard

Comfort

Head-Up Display
Standard
Not Available
Optional
Navigation System
Standard
Standard
Standard
Steering Wheel Audio Controls
Standard
Not Available
Standard
Power Mirror(s)
Standard
Standard
Standard
A/C
Standard
Standard
Standard
Adaptive Cruise Control
Standard
Not Available
Optional
Automatic Parking
Not Available
Not Available
Standard
Climate Control
Standard
Standard
Standard
Cooled Front Seat(s)
Not Available
Not Available
Optional
Cooled Rear Seat(s)
Not Available
Not Available
Optional
Cruise Control
Standard
Standard
Standard
Heated Front Seat(s)
Standard
Standard
Optional
Heated Rear Seat(s)
Not Available
Not Available
Optional
Heated Steering Wheel
Not Available
Not Available
Optional
Keyless Entry
Standard
Standard
Standard
Multi-Zone A/C
Standard
Standard
Standard
Power Driver Seat
Standard
Not Available
Standard
Power Passenger Seat
Standard
Not Available
Standard
Remote Engine Start
Not Available
Standard
Standard
Remote Trunk Release
Standard
Not Available
Not Available
Seat Memory
Standard
Standard
Standard
Universal Garage Door Opener
Standard
Standard
Standard
Seat-Massage
Not Available
Not Available
Optional
Rear A/C
Standard
Not Available
Optional
Keyless Start
Standard
Standard
Standard
Telematics
Standard
Standard
Standard

Safety

Safety Features

Back-Up Camera
Standard
Standard
Standard
Cross-Traffic Alert
Standard
Standard
Not Available
Rear Parking Aid
Not Available
Standard
Not Available
Blind Spot Monitor
Standard
Standard
Standard
Lane Departure Warning
Standard
Standard
Standard
Lane Keeping Assist
Standard
Standard
Standard
ABS
Standard
Standard
Standard
Night Vision
Not Available
Not Available
Optional
Tire Pressure Monitor
Standard
Not Available
Standard
Brake Assist
Standard
Not Available
Standard
Stability Control
Standard
Not Available
Standard
Traction Control
Standard
Not Available
Standard

US NHTSA crash test result

Overall Rating
N/A
N/A
Frontal Barrier Crash Rating
N/A
N/A
Side Crash Rating
N/A
N/A
Rollover Rating
N/A
N/A

Airbags

Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Standard
Standard
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Standard
Standard
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Standard
Standard
Rear Side Air Bag
Not Available
Not Available
Standard
Seatbelt Air Bag
Not Available
Not Available
Optional

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
5 Years / Unlimited Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Drivetrain
6 Years / 70,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Roadside Assistance
4 Years / 50,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Maintenance Note
N/A
1 Year/1 Visit
N/A
Rust-Through
N/A
6 Years / Unlimited Miles
N/A
Warranty Note
N/A
Preliminary 2020 Warranty Note
N/A