2021 Audi A4 vs 2021 Cadillac CT4

2021 Audi A4

#3 in Wagons

2021 Cadillac CT4

#9 in Luxury Small Sedans

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Premium 40 TFSI quattro

Style	MPG City	MPG Hwy	Invoice	MSRP
A4 Sedan Premium 40 TFSI quattro	24	31	$36,755	$39,100
A4 Sedan Premium Plus 40 TFSI quattro	24	31	$36,755	$39,100
A4 Sedan Prestige 40 TFSI quattro	24	31	$36,755	$39,100
A4 Sedan S line Premium 45 TFSI quattro	24	31	$38,447	$40,900
A4 Sedan S line Premium Plus 45 TFSI quattro	24	31	$38,447	$40,900
A4 Sedan S line Prestige 45 TFSI quattro	24	31	$38,447	$40,900
A4 allroad Premium 45 TFSI quattro	24	30	$41,924	$44,600
A4 allroad Premium Plus 45 TFSI quattro	24	30	$41,924	$44,600
A4 allroad Prestige 45 TFSI quattro	24	30	$41,924	$44,600
S4 Premium 3.0 TFSI quattro	20	28	$46,907	$49,900
S4 Premium Plus 3.0 TFSI quattro	20	28	$46,907	$49,900
S4 Prestige 3.0 TFSI quattro	20	28	$46,907	$49,900

Select style

4-Door Sedan Luxury

Style	MPG City	MPG Hwy	Invoice	MSRP
CT4 4-Door Sedan Luxury	23	34	$31,725	$33,395
CT4 4-Door Sedan Premium Luxury	23	34	$35,715	$37,595
CT4 4-Door Sedan Sport	23	34	$36,760	$38,695
CT4 4-Door Sedan V-Series	20	29	$42,650	$44,895

Show Only Differences

Pricing

Invoice Price

$36,755

$31,725

Manufacturer Suggested Retail Price

$39,100

$33,395

Monthly Payment Estimate

$652 / month

$557 / month

The Car Connection's Take

TCC Rating

6.7

Read Our Full Review

6.2

Read Our Full Review

TCC’s Bottom Line

The 2021 Audi A4 blends a conservative luxury compact car with spicy performance and robust wagon flavors.

The 2021 Cadillac CT4 is well-equipped and fun to drive, making it a good small sedan choice.

TCC Likes

Clean interior
Comfortable ride
A4 Allroad is capable off road…

Good tech
Slick turbo engines
Strong 10-speed automatic gearbox

TCC Dislikes

Conservative looks
Cramped trunk
Touchscreen looks like an afterthought

Interior doesn’t wow
Tight back seat
Might look too conservative

Fuel Economy

City

24 mpg

23 mpg

Highway

31 mpg

34 mpg

Vehicle

EPA Classification

Compact Cars

Number of Passenger Doors

Interior Dimensions

Second Leg Room (in)

35.7

33.4

Front Leg Room (in)

41.3

42.4

Passenger Capacity

Second Head Room (in)

37.4

36.5

Second Shoulder Room (in)

54.5

53.9

Front Head Room (in)

37.3

38.3

Front Shoulder Room (in)

55.9

55.2

Front Hip Room (in)

Second Hip Room (in)

52.5

Passenger Volume (ft³)

- TBD -

Exterior Dimensions

Height, Overall (in)

56.2

Track Width, Rear (in)

61.2

61.7

Wheelbase (in)

111

109.3

Width, Max w/o mirrors (in)

72.7

71.4

Track Width, Front (in)

61.9

60.3

Min Ground Clearance (in)

5.2

Length, Overall (in)

187.5

187.2

Liftover Height (in)

Cargo Area Dimensions

Trunk Volume (ft³)

10.7

Brakes

Disc - Rear (Yes or )

Yes

Rear Brake Rotor Diam x Thickness (in)

11.8

12.4 x 0.9

Brake Type

4-Wheel Disc

Pwr

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Front Brake Rotor Diam x Thickness (in)

12.4

11.8 x 1.0

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Fuel Tank

Fuel Tank Capacity, Approx (gal)

15.3

Steering

Steering Type

Rack-Pinion

Electric Rack & Pinion

Turning Diameter - Curb to Curb (ft)

38.1

Steering Ratio (:1), Overall

Lock to Lock Turns (Steering)

Turning Diameter - Wall to Wall (ft)

Tires

Front Tire Order Code

Q5O

Spare Tire Order Code

Rear Tire Size

P225/50HR17

P225/45R17

Rear Tire Order Code

Q5O

Front Tire Size

P225/50HR17

P225/45R17

Spare Tire Size

Compact

Weight Information

Base Curb Weight (lbs)

3682

3422

Wheels

Rear Wheel Size (in)

17 X 7.5

17 x 8

Front Wheel Material

Aluminum

Spare Wheel Material

Steel

Front Wheel Size (in)

17 X 7.5

17 x 8

Spare Wheel Size (in)

Compact

Rear Wheel Material

Aluminum

Engine

Fuel System

Gasoline Direct Injection

Direct Injection

SAE Net Torque @ RPM

236 @ 1450

258 @ 1500-4000

Engine Order Code

LSY

Displacement

2.0 L/121

2.0L/- TBD -

SAE Net Horsepower @ RPM

201 @ 4200

237 @ 5000

Engine Type

Intercooled Turbo Gas/Electric I-4

Turbocharged I4

Mileage

EPA Fuel Economy Est - City (MPG)

23 (2020)

Fuel Economy Est-Combined (MPG)

27 (2020)

EPA Fuel Economy Est - Hwy (MPG)

34 (2020)

Transmission

Fourth Gear Ratio (:1)

1.06

1.66

Trans Description Cont.

Auto-Shift Manual w/OD

Automatic

Drivetrain

All Wheel

Rear Wheel Drive

Sixth Gear Ratio (:1)

0.51

1.00

First Gear Ratio (:1)

3.19

4.61

Final Drive Axle Ratio (:1)

4.23

2.85

Third Gear Ratio (:1)

1.52

2.06

Trans Type

Fifth Gear Ratio (:1)

0.74

1.26

Trans Description Cont. Again

Reverse Ratio (:1)

2.75

3.93

Second Gear Ratio (:1)

2.19

3.04

Trans Order Code

M5N

Seventh Gear Ratio (:1)

0.39

0.85

Clutch Size (in)

- TBD -

Eighth Gear Ratio (:1)

0.66

Summary

Vehicle Name

Audi A4 Sedan

Cadillac CT4

Body Style

quattro Sedan

Sedan

Suspension

Suspension Type - Rear

Multi-Link

Five-Link

Suspension Type - Rear (Cont.)

Multi-Link

w/Coil Springs

Suspension Type - Front

Multi-Link

MacPherson Strut

Suspension Type - Front (Cont.)

Multi-Link

Stabilizer Bar Diameter - Front (in)

Shock Absorber Diameter - Rear (mm)

Stabilizer Bar Diameter - Rear (in)

Shock Absorber Diameter - Front (mm)

Emissions

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

6.6

6.6 (2020)

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs)

Wt Distributing Hitch - Max Tongue Wt. (lbs)

Dead Weight Hitch - Max Trailer Wt. (lbs)

Wt Distributing Hitch - Max Trailer Wt. (lbs)

Cooling System

Total Cooling System Capacity (qts)

Electrical

Cold Cranking Amps @ 0° F (Primary)

Maximum Alternator Capacity (amps)

Crash Test Ratings

Overall Rating

Overall Frontal Barrier Crash Rating

Frontal Barrier Crash Rating Driver

Frontal Barrier Crash Rating Passenger

Overall Side Crash Rating

Side Barrier Rating

Side Barrier Rating Driver

Side Barrier Rating Passenger Rear Seat

Side Pole Rating Driver Front Seat

Combined Side Rating Front Seat

Combined Side Rating Rear Seat

Rollover Rating

2021 Audi A4

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2021 Cadillac CT4

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