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Compare BMW M4 Coupe vs BMW M6 Convertible vs Maserati GranTurismo Convertible

BMW M4 Coupe
2020 BMW M4 Coupe
Select configuration:
$69,150
Starting Price (MSRP)
8.4
BMW M4 Coupe Full Review
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BMW M6 Convertible
2018 BMW M6 Convertible
Select configuration:
$122,300
Starting Price (MSRP)
8.8
BMW M6 Convertible Full Review
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Maserati GranTurismo Convertible
2019 Maserati GranTurismo Convertible
Select configuration:
$150,380
Starting Price (MSRP)
7.8
Maserati GranTurismo Convertible Full Review
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Overview

Engine
3.0-liter Twin-Turbo Inline-6 Gas
Engine
4.4-liter Twin-Turbo V8 Gas
Engine
4.7-liter V8 Gas
Transmission
6-Speed Manual
7-Speed Automatic (+$2,900)
Transmission
7-Speed Automatic
Transmission
6-Speed Automatic
Drivetrain
Rear Wheel Drive
Drivetrain
Rear Wheel Drive
Drivetrain
Rear Wheel Drive
Fuel Economy
City: 18 MPG
Hwy: 25 MPG
Fuel Economy
City: 14 MPG
Hwy: 20 MPG
Fuel Economy
City: 13 MPG
Hwy: 20 MPG
Fuel Tank Capacity
15.8 gallons
Fuel Tank Capacity
21.1 gallons
Fuel Tank Capacity
19.8 gallons
Seating Capacity
4 seater
Seating Capacity
4 seater
Seating Capacity
4 seater
Trunk Volume
11 ft³
Trunk Volume
10.6 ft³
Trunk Volume
6.1 ft³

Photos

39
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19
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42
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Performance Specs

Engine and Transmission

Engine
3.0-liter Twin-Turbo Inline-6 Gas
4.4-liter Twin-Turbo V8 Gas
4.7-liter V8 Gas
Horsepower
425 hp @ 5500 rpm
560 hp @ 6000 rpm
454 hp @ 7000 rpm
Torque
406 lb-ft @ 1850 rpm
500 lb-ft @ 1500 rpm
384 lb-ft @ 4750 rpm
Transmission
6-Speed Manual
7-Speed Automatic (+$2,900)
7-Speed Automatic
6-Speed Automatic
Drivetrain
Rear Wheel Drive
Rear Wheel Drive
Rear Wheel Drive

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Rack-Pinion
Turning Diameter
40 ft
39.7 ft
40.4 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
N/A
Front Wheel Size
18" x 9"
19" x 9.5"
20" x 8.5"
Rear Wheel Size
18" x 10"
19" x 10.5"
20" x 10.5"

Suspension

Front Suspension
Strut
Double Wishbone
Double Wishbone
Rear Suspension
Multi-Link
Multi-Link
Double Wishbone

Tires

Front Tire
P255/40YR18
P265/40YR19
P245/35YR20
Rear Tire
P275/40YR18
P295/35YR19
P285/35YR20

Fuel and MPG

Fuel Economy

Combined
20 MPG
16 MPG
16 MPG
City
18 MPG
14 MPG
13 MPG
Highway
25 MPG
20 MPG
20 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.8 Tons/yr
11.0 Tons/yr
11.0 Tons/yr

Fuel Tank

Fuel Tank Capacity
15.8 gallons
21.1 gallons
19.8 gallons
Cruising Range City
284.4 miles
295.4 miles
257.4 miles
Cruising Range Highway
395 miles
422 miles
396 miles

Dimensions and Measurement

Exterior Dimensions

Length
184.5 in
193 in
193.3 in
Height
54.4 in
53.9 in
53.3 in
Max Width
73.6 in
74.8 in
75.4 in
Front Width
62.2 in
64.2 in
62.4 in
Rear Width
63.1 in
63.5 in
62.6 in
Wheelbase
110.7 in
112.2 in
115.8 in
Ground Clearance
N/A
4.2 in
N/A

Interior Space

Seating Capacity
4 seater
4 seater
4 seater
Front Seat Leg Room
42.2 in
42.1 in
N/A
Front Seat Headroom
39.8 in
40.3 in
N/A
Front Seat Shoulder Room
55.3 in
56.9 in
N/A
Rear Seat Leg Room
33.7 in
30.5 in
N/A
Rear Seat Headroom
36.1 in
36.5 in
N/A
Rear Seat Shoulder Room
51.7 in
49.6 in
N/A

Weight and Trailing

Curb Weight
3,625 lbs
4,515 lbs
4,365 lbs

Cargo Space

Trunk Volume
11 ft³
10.6 ft³
6.1 ft³

Colors and Materials

Standard Exterior Colors

Alpine White
  • Alpine White
  • Black Sapphire Metallic
  • Sakhir Orange Metallic, Build Out:06/01/2017
  • San Marino Blue Metallic
  • Silverstone Metallic
  • Singapore Gray Metallic
  • Space Gray Metallic
  • Bianco Eldorado
  • Blu Nettuno Metallic
  • Blu Oceano Metallic
  • Blu Sofisticato Metallic
  • Bordeaux Pontevecchio Metallic
  • Grigio Alfieri Metallic
  • Grigio Granito Metallic
  • Grigio Touring Metallic
  • Nero Carbonio Metallic
  • Nero
  • Rosso Trionfale Metallic

Optional Exterior Colors

  • Austin Yellow Metallic
  • Black Sapphire Metallic
  • Mineral Gray Metallic
  • Mineral White Metallic
  • Sakhir Orange II Metallic
  • San Marino Blue Metallic
  • Yas Marina Blue Metallic, Build Out:06/30/2019
  • Azurite Black Metallic, Priority 1. Build Out:05/31/2019
  • Champagne Quartz Metallic, Priority 1. Build Out:05/31/2019
  • Smoked Topaz Metallic, Priority 1
  • Citrin Black Metallic
  • Moonstone Metallic
  • Ruby Black Metallic
  • Tanzanite Blue Metallic
  • Frozen Brilliant White Metallic
  • Frozen Bronze Metallic
  • Blu Mediterraneo Pearlescent
  • Giallo Granturismo Pearlescent
  • Rosso Mondiale Pearlescent
  • Bianco Fuji Tri-Coat
  • Biano Birdcage Tri-Coat
  • Blu Assoluto Tri-Coat
  • Blu Inchiostro Tri-Coat
  • Grigio Lava Tri-Coat
  • Grigio Pietra Tri-Coat
  • Rosso Italiano Tri-Coat
  • Rosso Magma Tri-Coat

Standard Interior Materials

  • Anthracite/Black, Cloth/Leather Upholstery
  • Black, Extended Merino Leather Seat Upholstery
  • Sakhir Orange/Black, Extended Merino Leather Seat Upholstery
  • Silverstone, Extended Merino Leather Seat Upholstery
  • Bianco Pregiato, Poltrona Frau Leather Seat Trim
  • Blu Profondita, Poltrona Frau Leather Seat Trim
  • Bordeaux, Poltrona Frau Leather Seat Trim
  • Cuoio, Poltrona Frau Leather Seat Trim
  • Grigio Chrono, Poltrona Frau Leather Seat Trim
  • Marrone Corniola, Poltrona Frau Leather Seat Trim
  • Nero, Poltrona Frau Leather Seat Trim
  • Pearl Beige, Poltrona Frau Leather Seat Trim
  • Rosso Corallo, Poltrona Frau Leather Seat Trim
  • Sabbia, Poltrona Frau Leather Seat Trim

Optional Interior Materials

  • Black, Extended Merino Leather Upholstery
  • Sakhir Orange/Black, Extended Merino Leather Upholstery
  • Silverstone, Extended Merino Leather Upholstery
  • Amaro Brown, Individual Extended Merino Leather Upholstery
  • Black, Full Merino Leather Upholstery
  • Cohiba Brown, Individual Extended Merino Leather Upholstery
  • Golden Brown, Individual Extended Merino Leather Upholstery
  • Nutmeg, Individual Extended Merino Leather Upholstery
  • Opal White, Individual Extended Merino Leather Upholstery
  • Sakhir Orange/Black, Full Merino Leather Upholstery
  • Silverstone, Full Merino Leather Upholstery
  • Aragon Brown, Full Merino Leather Seat Upholstery
  • Black, Full Merino Leather Seat Upholstery
  • Sakhir Orange/Black, Full Merino Leather Seat Upholstery
  • Silverstone, Full Merino Leather Seat Upholstery
  • Amaro Brown, BMW Individual Full Merino Leather Upholstery
  • Canyon Brown, BMW Individual Full Merino Leather Upholstery
  • Champagne, BMW Individual Full Merino Leather Upholstery
  • Opal White, BMW Individual Full Merino Leather Upholstery
  • Platinum/Black, BMW Individual Full Merino Leather Upholstery
N/A

Features and Options

Infotainment

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

Interior Trim

Bucket Seats
Standard
Standard
Standard
Cloth Seats
Standard
Standard
Standard
Leather Seats
Standard
Standard
Standard
Leather Steering Wheel
Standard
Standard
Standard
Premium Synthetic Seats
Optional
Standard
Standard
Vinyl Seats
Optional
Standard
Standard
Woodgrain Interior Trim
Standard
Standard
Standard

Comfort

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

Safety

Safety Features

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

Airbags

Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Not Available
Not Available
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Standard
Not Available
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Not Available
Not Available

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 / Unlimited Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Maintenance
3 Years / 36,000 Miles
3 Years / 36,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / Unlimited Miles
4 Years / 50,000 Miles