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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 BMW 840i xDrive Gran Coupe
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 BMW 840i xDrive Gran Coupe

Vehicle Type: Large Gasoline
 overall score
Category Ranking: 4
Vehicle Price
Base Price: $87,800
Price as Tested: $100,675
Fuel Information
Fuel Type: Midgrade
Fuel Capacity (gal): 18
EPA City mpg20
EPA Highway mpg27
EPA Combined mpg23
Advanced Safety Features
Adaptive Cruise Control [O]
Advanced Headlights [S]
Automatic Emergency Braking [S]
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
Forget what you thought you knew about the difference between a coupe (two doors) and a sedan (four doors). It's now a crazy, mixed-up world, thanks to models like the BMW 840i xDrive Gran Coupe. Blame the marketing folks for the misnomer; this large luxury car offers four full doors and a passable rear seat. The sloping roofline that's supposed to give it a coupe-like silhouette does impinge somewhat on entry and exit from the rear quarters, but it's not likely to be a deal breaker. And you'll forget all about that door conundrum when you slide into the driver's seat. The 3.0-liter twin-turbo inline 6-cylinder engine (335 hp), which sent power to all four wheels in our xDrive test model, produced excellent performance and a pleasing soundtrack. The adaptive suspension delivered impressively sporty handling, which made the 840i Gran Coupe fun to drive - although the ride was a bit on the firm side. Not surprisingly for a high-end luxury car, this four-door coupe comes with a long list of standard features, including adaptive LED headlights, a customizable digital dash, an infotainment display with navigation, a color head-up display, a wireless charging pad, and heated front seats, steering wheel, and armrest.
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Strengths and Weaknesses
Strong Points
  • Sleek, stylish design
  • Excellent, responsive performance
  • Sporty suspension/handling
  • Exhaust note sounds great
Weak Points
  • High price
  • Firm suspension and ride
  • Interior can be tight for rear passengers
  • Poor rear visibility
Vehicle Specifications
Model year tested: 2020
Number of passengers (F/R): 2/3
Curb weight (lbs): 4300.0
Exterior L / W / H (in): 200.2 / 84.1 / 55.2
Wheelbase (in): 119.0
Number of air bags: 10
Warranty (months/miles): 48/50,000
Tire manufacturer and model: Michelin Pilot Sport 3
Front and rear tire size: 245/35 R20
Max towing capacity (lbs): Not recommended
Headlight type: LED
Transmission type: Auto 8-speed
Drivetrain type: All wheel
Engine/motor: 3.0L I-6 Turbo
Engine horsepower @ RPM: 335 @ 5000
Test Data
Test Vehicle Scores
Advanced Safety Features: 10.00
Fuel Efficiency: 3.51
EPA Emissions Score: 3.00
Acceleration: 7.32
Braking: 6.59
Crashworthiness: 5.35
Handling: 7.26
Ride Quality: 8.00
Interior Size: 4.03
Easy of Entry and Exit: 6.47
Visibility: 7.20
Interior Noise: 5.44
Cargo Capacity: 1.35
2020 Volvo S90 T8 E-AWD R-Design
Car Guide Winner: 1st Place Large
More Details
Vehicle Type:  Large
Fuel Type:  Hybrid
mpg: 28/31
Price as Tested:  $73,840
 out of 130
2020 Jaguar I-Pace EV400 HSE
More Details
Vehicle Type:  SUV/Minivan
Fuel Type:  Electric
MPGe: 80/72
Price as Tested:  $84,276
 out of 130
2020 BMW X3 XDrive30e
More Details
Vehicle Type:  SUV/Minivan
Fuel Type:  Hybrid
mpg: 21/27
Price as Tested:  $65,020
 out of 130
2020 Chevrolet Bolt EV Premier
Car Guide Winner: 1st Place Small
More Details
Vehicle Type:  Small
Fuel Type:  Electric
MPGe: 127/108
Price as Tested:  $43,735
 out of 130
2020 Tesla Model Y Long Range AWD
Car Guide Winner: 1st Place SUV/Minivan
More Details
Vehicle Type:  SUV/Minivan
Fuel Type:  Electric
MPGe: 127/114
Price as Tested:  $53,190
 out of 130
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