Compare Buick Regal GS vs Cadillac CT5 vs Mercedes-Benz E-Class Sedan

Buick Regal GS
2020 Buick Regal GS
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$39,070
Starting Price (MSRP)
8.0
Buick Regal GS Full Review
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Cadillac CT5
2021 Cadillac CT5
Select configuration:
$36,995
Starting Price (MSRP)
8.4
Cadillac CT5 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
2.0-liter Turbo Inline-4 Gas
Engine
2.0-liter Turbo Inline-4 Gas
Transmission
9-Speed Automatic
Transmission
10-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 19 MPG
Hwy: 27 MPG
Fuel Economy
City: 23 MPG
Hwy: 32 MPG
Fuel Economy
City: 22 MPG
Hwy: 31 MPG
Fuel Tank Capacity
16.3 gallons
Fuel Tank Capacity
17 gallons
Fuel Tank Capacity
17.4 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
N/A
Trunk Volume
11.9 ft³
Trunk Volume
13.1 ft³
Cargo Volume with Rear Seat Down
60.7 ft³
Cargo Volume with Rear Seat Down
N/A
Cargo Volume with Rear Seat Down
N/A

Photos

28
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Performance Specs

Engine and Transmission

Engine
3.6-liter V6 Gas
2.0-liter Turbo Inline-4 Gas
2.0-liter Turbo Inline-4 Gas
Horsepower
310 hp @ 6800 rpm
237 hp @ 5000 rpm
255 hp @ 5800 rpm
Torque
282 lb-ft @ 5200 rpm
258 lb-ft @ 1500-4000 rpm
273 lb-ft @ 1800 rpm
Transmission
9-Speed Automatic
10-Speed Automatic
9-Speed Automatic
Drivetrain
All-Wheel Drive
Rear-Wheel Drive
Rear-Wheel Drive

Steering

Steering Type
Electric Rack & Pinion
Pwr
Rack-Pinion
Turning Diameter
N/A
39 ft
38.1 ft

Wheels

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

Suspension

Front Suspension
MacPherson Strut
MacPherson Strut
Multi-Link
Rear Suspension
5-Link
Multi-Link
Multi-Link

Tires

Front Tire
245/40R19
245/45R18
P245/45HR18
Rear Tire
245/40R19
245/45R18
P245/45HR18

Fuel and MPG

Fuel Economy

Combined
22 MPG
26 MPG
25 MPG
City
19 MPG
23 MPG
22 MPG
Highway
27 MPG
32 MPG
31 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.0 (2019) Tons/yr
6.9 (2020) Tons/yr
7.2 Tons/yr

Fuel Tank

Fuel Tank Capacity
16.3 gallons
17 gallons
17.4 gallons
Cruising Range City
309.7 miles
391 miles
382.8 miles
Cruising Range Highway
440.1 miles
544 miles
539.4 miles

Dimensions and Measurement

Exterior Dimensions

Length
192.9 in
193.8 in
193.8 in
Height
57.3 in
57.2 in
57.8 in
Max Width
73.3 in
74.1 in
73.7 in
Front Width
62.8 in
62.8 in
63.6 in
Rear Width
63 in
63.9 in
63.7 in
Wheelbase
111.4 in
116 in
115.7 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
42.1 in
42.4 in
41.3 in
Front Seat Headroom
38.8 in
39 in
37.9 in
Front Seat Shoulder Room
56.9 in
56.7 in
57.8 in
Front Seat Hip Room
55.2 in
53.7 in
N/A
Rear Seat Leg Room
36.9 in
37.9 in
35.8 in
Rear Seat Headroom
37.4 in
36.6 in
38.2 in
Rear Seat Shoulder Room
55.4 in
55.7 in
56.9 in
Rear Seat Hip Room
54.1 in
53.7 in
N/A

Weight and Towing

Curb Weight
4,270 lbs
3,659 lbs
3,792 lbs

Cargo Space

Trunk Volume
N/A
11.9 ft³
13.1 ft³
Cargo Volume with Rear Seat Up
31.5 ft³
N/A
N/A
Cargo Volume with Rear Seat Down
60.7 ft³
N/A
N/A

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

  • Ebony, Perforated leather seat trim
  • Jet Black with Jet Black Accents, Leatherette Seats
  • Sahara Beige with Jet Black Accents, Leatherette Seats
  • 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
Optional
Standard
Standard
Bluetooth Connection
Optional
Standard
Standard
Premium Sound System
Optional
Standard
Optional
Satellite Radio
Standard
Standard
Optional
Smart Device Integration
Not Available
Standard
Standard
WiFi Hotspot
Standard
Standard
Standard
Auxiliary Audio Input
Optional
Standard
Standard
MP3 Player
Optional
Standard
Standard

Interior Trim

Bucket Seats
Not Available
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
Sun/Moonroof
Optional
Optional
Standard

Comfort

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

Safety

Safety Features

Back-Up Camera
Standard
Standard
Standard
Cross-Traffic Alert
Standard
Not Available
Not Available
Rear Parking Aid
Standard
Not Available
Not Available
Blind Spot Monitor
Standard
Not Available
Standard
Lane Departure Warning
Optional
Not Available
Not Available
Lane Keeping Assist
Optional
Not Available
Not Available
ABS
Standard
Standard
Standard
Tire Pressure Monitor
Standard
Standard
Standard
Brake Assist
Optional
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
Not Available
Standard
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Standard
Standard
Rear Side Air Bag
Standard
Standard
Optional

Warranty

Warranty Summary

Basic
3 Years / 36,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
3 Years / 36,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Drivetrain
5 Years / 60,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Maintenance Note
1 Year/1 Visit
1 Year/1 Visit
N/A
Roadside Assistance
5 Years / 60,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Rust-Through
6 Years / 100,000 Miles
6 Years / Unlimited Miles
N/A
Warranty Note
Preliminary 2020 Warranty Note
Preliminary 2021 Warranty
N/A