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  3. Compare Audi A6 vs Audi A8 vs Cadillac XTS

Compare Audi A6 vs Audi A8 vs Cadillac XTS

Audi A6
2021 Audi A6
Select configuration:
$54,900
Starting Price (MSRP)
8.4
Audi A6 For Sale Audi A6 Full Review
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Audi A8
2021 Audi A8
Select configuration:
$86,500
Starting Price (MSRP)
8.9
Audi A8 For Sale Audi A8 Full Review
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Cadillac XTS
2019 Cadillac XTS
Select configuration:
$46,895
Starting Price (MSRP)
7.3
Cadillac XTS For Sale Cadillac XTS Full Review
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Overview

Engine
2.0L Turbo Inline-4 Gas
Engine
3.0L Turbo V6 Gas
Engine
3.6L V6 Gas
Transmission
7-Speed Automatic
Transmission
8-Speed Automatic
Transmission
6-Speed Automatic
Drivetrain
All-Wheel Drive
Drivetrain
All-Wheel Drive
Drivetrain
Front-Wheel Drive
Fuel Economy
City: 23 MPG
Hwy: 31 MPG
Fuel Economy
City: 17 MPG
Hwy: 26 MPG
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Tank Capacity
19.3 gallons
Fuel Tank Capacity
21.7 gallons
Fuel Tank Capacity
19 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
13.7 ft³
Trunk Volume
12.5 ft³
Trunk Volume
18 ft³

Photos

Audi A6
2019-2021 Audi A6 Rear Angle View
2019-2021 Audi A6 Dashboard
66
More
Audi A8
2019-2021 Audi A8 Rear Angle View
2019-2021 Audi A8 Dashboard
38
More
Cadillac XTS
Rear View Driving
Dashboard
13
More

Performance Specs

Engine and Transmission

Engine
2.0L Turbo Inline-4 Gas
3.0L Turbo V6 Gas
3.6L V6 Gas
Horsepower
248 hp @ 4300 rpm
335 hp @ 5000 rpm
304 hp @ 6800 rpm
Torque
273 lb-ft @ 1600 rpm
369 lb-ft @ 1370 rpm
264 lb-ft @ 5300 rpm
Transmission
7-Speed Automatic
8-Speed Automatic
6-Speed Automatic
Drivetrain
All-Wheel Drive
All-Wheel Drive
Front-Wheel Drive

Weight and Towing

Curb Weight
4,101 lbs
4,773 lbs
4,021 lbs

Fuel and MPG

Fuel Economy

Combined
26 MPG
21 MPG
22 MPG
City
23 MPG
17 MPG
19 MPG
Highway
31 MPG
26 MPG
28 MPG

Emissions

CO2 Emissions @ 15K mi/year
6.7 Tons/yr
8.5 Tons/yr
8.0 Tons/yr

Fuel Tank

Fuel Tank Capacity
19.3 gallons
21.7 gallons
19 gallons
Cruising Range City
443.9 miles
368.9 miles
361 miles
Cruising Range Highway
598.3 miles
564.2 miles
532 miles

Dimensions and Measurement

Exterior Dimensions

Length
194.4 in
208.7 in
200.9 in
Height
57.4 in
58.6 in
59.4 in
Max Width
74.3 in
76.6 in
72.9 in
Front Width
64.2 in
64.7 in
61.7 in
Rear Width
63.7 in
64.3 in
62 in
Wheelbase
115.1 in
123.2 in
111.7 in
Ground Clearance
4.2 in
N/A
N/A

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
41.3 in
41.5 in
42.1 in
Front Seat Headroom
38 in
38.3 in
39 in
Front Seat Shoulder Room
57.8 in
59.1 in
57.9 in
Front Seat Hip Room
N/A
N/A
55.1 in
Rear Seat Leg Room
37.4 in
44.3 in
40 in
Rear Seat Headroom
38.1 in
38.5 in
37.8 in
Rear Seat Shoulder Room
56.5 in
57.6 in
56.3 in
Rear Seat Hip Room
N/A
N/A
54.3 in

Cargo Space

Trunk Volume
13.7 ft³
12.5 ft³
18 ft³

Wheels and Suspension

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Pwr Rack & Pinion
Turning Diameter
36.4 ft
42.2 ft
38.7 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
N/A
Front Wheel Size
19" x 8.5"
19" x 9"
19" x 8.5"
Rear Wheel Size
19" x 8.5"
19" x 9"
19" x 8.5"

Suspension

Front Suspension
Multi-Link
Multi-Link
HiPer Strut
Rear Suspension
Multi-Link
Multi-Link
Linked H-Arm

Tires

Front Tire
P245/45HR19
P255/45HR19
P245/45R19
Rear Tire
P245/45HR19
P255/45HR19
P245/45R19
Spare Tire
Compact
Compact
N/A

Colors and Materials

Standard Exterior Colors

  • Brilliant Black
  • Ibis White
  • Florett Silver Metallic
  • Glacier White Metallic
  • Monsoon Gray Metallic
  • Moonlight Blue Metallic
  • Mythos Black Metallic
  • Navarra Blue Metallic
  • Savannah Beige Metallic
  • Seville Red Metallic
  • Terra Gray Metallic
  • Vesuvius Gray Metallic
N/A

Optional Exterior Colors

  • Avalon Green Metallic
  • Carat Beige Metallic
  • Firmament Blue Metallic
  • Florett Silver Metallic
  • Glacier White Metallic
  • Mythos Black Metallic
  • Seville Red Metallic
  • Soho Brown Metallic
  • Typhoon Gray Metallic
  • Vesuvius Gray Metallic
N/A
N/A

Standard Interior Materials

  • Black, Leather Seating Surfaces
  • Okapi Brown, Leather Seating Surfaces
  • Pearl Beige, Leather Seating Surfaces
  • Pearl Beige, Leather Seating Surfaces
  • Black, Valcona Leather Seat Upholstery
  • Black, Valetta Leather Seat Upholstery
  • Nutmeg Brown, Valcona Leather Seat Upholstery
  • Pearl Beige, Valcona Leather Seat Upholstery
  • Saiga Beige, Valcona Leather Seat Upholstery
  • Saiga Beige, Valetta Leather Seat Upholstery
  • Sarder Brown, Valcona Leather Seat Upholstery
  • Sarder Brown, Valcona Leather Seat Upholstery
  • Sarder Brown, Valetta Leather Seat Upholstery
  • Jet Black, Leather Seating Surfaces with Mini-Perforation
  • Shale with Jet Black accents, Leather Seating Surfaces with Mini-Perforation

Features and Options

Infotainment

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

Interior Trim

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

Comfort

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

Safety

Safety Features

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

US NHTSA crash test result

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

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
12 Years / Unlimited Miles
12 Years / Unlimited Miles
4 Years / 50,000 Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
6 Years / 70,000 Miles
Hybrid/Electric Components
8 Years / 100,000 Miles
8 Years / 100,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / Unlimited Miles
6 Years / 70,000 Miles
Maintenance Note
N/A
N/A
1 Year/1 Visit
Rust-Through
N/A
N/A
6 Years / Unlimited Miles
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