Compare Cadillac STS vs Infiniti M45 vs Mercedes-Benz E-Class Sedan

Cadillac STS
2011 Cadillac STS
Select configuration:
$47,280
Starting Price (MSRP)
N/A
Cadillac STS Full Review
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Infiniti M45
2010 Infiniti M45
Select configuration:
$45,800
Starting Price (MSRP)
N/A
Infiniti M45 Full Review
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Mercedes-Benz E-Class Sedan
2021 Mercedes-Benz E-Class Sedan
Select configuration:
$54,250
Starting Price (MSRP)
8.4
Mercedes-Benz E-Class Sedan Full Review
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Overview

Engine
3.6-liter V6 Gas
Engine
4.5-liter V8 Gas
Engine
2.0-liter Turbo Inline-4 Gas
Transmission
6-Speed Automatic
Transmission
N/A
Transmission
9-Speed Automatic
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 18 MPG
Hwy: 27 MPG
Fuel Economy
City: 16 MPG
Hwy: 21 MPG
Fuel Economy
City: 22 MPG
Hwy: 31 MPG
Fuel Tank Capacity
17 gallons
Fuel Tank Capacity
20 gallons
Fuel Tank Capacity
17.4 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
13.8 ft³
Trunk Volume
14.9 ft³
Trunk Volume
13.1 ft³

Photos

12
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10
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19
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Performance Specs

Engine and Transmission

Engine
3.6-liter V6 Gas
4.5-liter V8 Gas
2.0-liter Turbo Inline-4 Gas
Horsepower
302 hp @ 6300 rpm
325 hp @ 6400 rpm
255 hp @ 5800 rpm
Torque
272 lb-ft @ 5200 rpm
336 lb-ft @ 4000 rpm
273 lb-ft @ 1800 rpm
Transmission
6-Speed Automatic
N/A
9-Speed Automatic
Drivetrain
Rear-Wheel Drive
Rear-Wheel Drive
Rear-Wheel Drive

Steering

Steering Type
Pwr rack & pinion
Pwr Rack & Pinion
Rack-Pinion
Turning Diameter
36.9 ft
36.7 ft
38.1 ft
Turning Diameter Wall to Wall
N/A
39 ft
N/A

Wheels

Wheels Type
N/A
N/A
Aluminum Wheels
Front Wheel Size
17" x 7.5"
18" x 8.0"
18" x 8"
Rear Wheel Size
17" x 7.5"
18" x 8.0"
18" x 8"

Suspension

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

Tires

Front Tire
P235/50VR17
P245/45VR18
P245/45HR18
Rear Tire
P235/50VR17
P245/45VR18
P245/45HR18
Spare Tire
N/A
T145/80D17
N/A

Fuel and MPG

Fuel Economy

Combined
21 MPG
18 MPG
25 MPG
City
18 MPG
16 MPG
22 MPG
Highway
27 MPG
21 MPG
31 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.9 Tons/yr
10.4 Tons/yr
7.2 Tons/yr
EPA rating
5
4
N/A

Fuel Tank

Fuel Tank Capacity
17 gallons
20 gallons
17.4 gallons
Cruising Range City
306 miles
320 miles
382.8 miles
Cruising Range Highway
459 miles
420 miles
539.4 miles

Dimensions and Measurement

Exterior Dimensions

Length
196.7 in
194.1 in
193.8 in
Height
57.6 in
59.4 in
57.8 in
Max Width
72.6 in
71.1 in
73.7 in
Front Width
61.8 in
60.5 in
63.6 in
Rear Width
62.3 in
61 in
63.7 in
Wheelbase
116.4 in
114.2 in
115.7 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
42.6 in
44.2 in
41.3 in
Front Seat Headroom
38.7 in
39.6 in
37.9 in
Front Seat Shoulder Room
58.6 in
58.2 in
57.8 in
Front Seat Hip Room
54.6 in
55.1 in
N/A
Rear Seat Leg Room
38.3 in
37.3 in
35.8 in
Rear Seat Headroom
37.9 in
37.8 in
38.2 in
Rear Seat Shoulder Room
57.4 in
56.9 in
56.9 in
Rear Seat Hip Room
55.6 in
53.9 in
N/A

Weight and Towing

Curb Weight
3,973 lbs
3,958 lbs
3,792 lbs

Cargo Space

Trunk Volume
13.8 ft³
14.9 ft³
13.1 ft³

Colors and Materials

Standard Exterior Colors

N/A
N/A
  • Black
  • Polar White

Optional Exterior Colors

N/A
N/A
  • Cirrus Silver Metallic
  • Graphite Grey Metallic
  • Lunar Blue Metallic
  • Mojave Silver Metallic
  • Obsidian Black Metallic
  • Selenite Grey Metallic
  • designo Cardinal Red Metallic
  • designo Diamond White Metallic
  • designo Selenite Grey Magno

Standard Interior Materials

  • Cashmere, Nuance Leather seating surfaces
  • Ebony, Nuance Leather seating surfaces
  • Light Gray, Nuance Leather seating surfaces
  • Graphite, Leather seat trim
  • Stone, Leather seat trim
  • Wheat, Leather seat trim
  • Black, MB-Tex Upholstery
  • designo Macchiato Beige, designo Nappa Leather Upholstery
  • Macchiato Beige/Black, MB-Tex Upholstery
  • Macchiato Beige/Grey, MB-Tex Upholstery
  • Neva White/Magma Grey, MB-Tex Upholstery
  • Nut Brown/Black, MB-Tex Upholstery

Optional Interior Materials

N/A
N/A
  • Black, Leather Upholstery
  • Macchiato Beige/Black, Leather Upholstery
  • Neva Grey/Magma Grey, Leather Upholstery
  • Nut Brown/Black, Leather Upholstery
  • Black, Nappa Leather Upholstery
  • Macchiato Beige/Grey, Nappa Leather Upholstery
  • Nut Brown/Black, Nappa Leather Upholstery

Features and Options

Infotainment

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

Interior Trim

Bucket Seats
Not Available
Standard
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
Not Available
Standard
Not Available
Sun/Moonroof
Standard
Standard
Standard

Comfort

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

Safety

Safety Features

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

Airbags

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

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 60,000 Miles
4 Years / 50,000 Miles
Corrosion
4 Years / 50,000 Miles
7 Years / Unlimited Miles
4 Years / 50,000 Miles
Drivetrain
5 Years / 100,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Gas Engine
2 Years / 24,000 Miles
N/A
N/A
Maintenance
4 Years / 50,000 Miles
N/A
N/A
Roadside Assistance
5 Years / 100,000 Miles
4 Years / Unlimited Miles
4 Years / 50,000 Miles
Rust-Through
6 Years / Unlimited Miles
N/A
N/A
Short Term California
3 Years / 50,000 Miles
N/A
N/A
Emissions
N/A
8 Years / 80,000 Miles
N/A
Long Term California
N/A
7 Years / 70,000 Miles
N/A