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To help members understand the latest automotive technology so they can purchase vehicles that best suit their needs, the Automobile Club of Southern California's Automotive Research Center (ARC) began testing and reviewing vehicles over a decade ago in the AAA Green Car Guide, which initially focused entirely on rating fuel-efficient, low-emitting vehicles.

For the 2021 edition, we've expanded the focus of the guide to include testing and ranking cars and light trucks with the latest technology, including having at least one advanced driver-assistance system (ADAS) feature. In addition to vehicle evaluation, the guide covers a number of pertinent automotive topics in detail—for example, the latest advanced safety features, how to properly maintain your vehicle, and the development of autonomous vehicles.

home Home » Search Results » 2020 Cadillac CT4 V-Series
How The Car Guide Rating Works
Test Results and Rankings:
The green cars tested by the ARC are evaluated on the basis of 13 categories: emissions, fuel economy, crashworthiness, braking, acceleration, handling, cargo-carrying capacity, ride quality, interior noise, ease of entry and exit, maneuverability, roominess, and visibility. The scores for the categories are totaled, and the cars are ranked from high to low.

2020 Cadillac CT4 V-Series

Vehicle Type: Midsize Gasoline
 overall score
Category Ranking: 2
Vehicle Price
Base Price: $44,495
Price as Tested: $52,040
Fuel Information
Fuel Type: Premium
Fuel Capacity (gal): 17
EPA City mpg20
EPA Highway mpg28
EPA Combined mpg23
Advanced Safety Features
Adaptive Cruise Control [O]
Advanced Headlights [O]
Automatic Emergency Braking [O]
Blind-Spot Warning [O]
Forward-Collision Warning [S]
Lane-Departure Warning [O]
Lane-Keeping Assistance [O]
Rear Cross-Traffic Warning [O]
[S] Standard, [O] Optional
Overall Observations
With the CT4-V, Cadillac has set its sights on the established German brands in the popular sport sedan category. Audi, BMW, and Mercedes-Benz have all built strong reputations for their performance variants: the Audi S line, BMW M series, and Mercedes-AMG. Over the years, Cadillac has been developing its V line of performance variants to compete directly with these models. Although its midsize CT4-V sedan is sufficiently fast and has the tight handling needed to keep up with its Teutonic competitors, it falls short in several important respects. The first is its drivetrain, which it shares with the Chevy Silverado pickup - a 2.7-liter turbocharged inline 4-cylinder engine that produces 310 hp but suffers from turbo lag and lacks overall smoothness and refinement. (The CT4-V's 10-speed Hydra-Matic transmission improved the driving experience with quick shifts and intelligent gear selections, however.) Several other less-than-stellar qualities are worth noting: For one, the car's firm ride can become harsh over rough pavement. More significantly, however, the interior feels cramped, especially in the backseat, and the cabin materials aren't up to luxury-car standards. Finally, advanced safety features aren't standard equipment, which they should be in a $50,000 luxury vehicle.
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Strengths and Weaknesses
Strong Points
  • Strong acceleration and torque
  • Sport-sedan agility
  • Smooth, efficient 10-speed transmission
  • AWD
Weak Points
  • Rough engine operation
  • Noticeable turbo lag and rev hang
  • Overly stiff and firm suspension for a luxury car
  • Slow-operating, difficult-to-use infotainment system
Vehicle Specifications
Model year tested: 2020
Number of passengers (F/R): 2/3
Curb weight (lbs): 3760.0
Exterior L / W / H (in): 187.2 / 77.7 / 56.0
Wheelbase (in): 109.3
Number of air bags: 10
Warranty (months/miles): 48/50,000
Tire manufacturer and model: Continental Sport Contact 6 SSR
Front and rear tire size: 235/40 R18
Max towing capacity (lbs): Not recommended
Headlight type: LED
Transmission type: Auto 10-speed
Drivetrain type: All wheel
Engine/motor: 2.7L 4-Cyl. Turbo
Engine horsepower @ RPM: 325 @ 5600
Test Data
Test Vehicle Scores
Advanced Safety Features: 10.00
Fuel Efficiency: 3.51
EPA Emissions Score: 6.00
Acceleration: 6.59
Braking: 7.22
Crashworthiness: 4.89
Handling: 8.71
Ride Quality: 8.62
Interior Size: 3.70
Easy of Entry and Exit: 6.38
Visibility: 6.17
Interior Noise: 6.07
Cargo Capacity: 1.01
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Car Guide Winner: 1st Place Small
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Fuel Type:  Electric
MPGe: 127/108
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Fuel Type:  Hybrid
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Car Guide Winner: 1st Place Large
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Vehicle Type:  Large
Fuel Type:  Hybrid
mpg: 28/31
Price as Tested:  $73,840
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Vehicle Type:  SUV/Minivan
Fuel Type:  Electric
MPGe: 80/72
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