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Compare Alpina B6 F12 vs BMW 8 Series G14 Convertible vs Lexus LC 500 Convertible

Variants
B6 Bi-Turbo
B6 Bi-Turbo EDITION 50
840d MHEV xDrive
840d xDrive
840i
840i Euro6d
840i Euro6d xDrive
840i xDrive
M850i Euro6d xDrive
M850i xDrive

Capacity

Cargo Capacity
300 L / 10.6 cu-ft ~ 350 L / 12.4 cu-ft
96 L / 3.4 cu-ft
Coolant Capacity
9.5 L / 10.0 qt
Fuel Capacity
70.0 L / 18.5 gal
82.0 L / 21.7 gal
Interior Space
Headroom: 932.8 (front) / 814.6 (rear) mm | Hip Room: 1377.4 (front) / 1089.6 (rear) mm | Legroom: 1081.3 (front) / 712.2 (rear) mm | Shoulder Room: 1438.6 (front) / 1172.4 (rear) mm
Passengers
4
4
4
Payload
410 kg / 904 lbs
435 kg / 959 lbs

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs, 398.78 mm
Brakes | Rear
Ventilated discs
Ventilated discs
Ventilated discs, 358.14 mm
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Double-wishbone
Double-wishbone
Multi-link
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
Front wheel tires: 245/45 RF20, 245/40 RF21 Rear wheel tires: 275/40 RF20, 275/35 RF21
Turning Circle
11.9 m
10.8 m / 35.4 ft
Weight Distribution
52.5% (front) / 47.5% (rear)

Construction

Body Style
2-door Convertible
2-door Convertible

Dimensions

Ground Clearance
131 mm / 5.2 in
Size | Height
1350 mm / 53.1 in
Size | Length
4894 mm / 192.7 in
4760 mm / 187.4 in
Size | Width
1920 mm / 75.6 in
Track Width | Front
1594.0 mm / 62.8 in
1630.0 mm / 64.2 in
Track Width | Rear
1642.0 mm / 64.6 in
1635.0 mm / 64.4 in
Weight
2020.0 kg / 4453.3 lbs
2040.0 kg / 4497.4 lbs
Wheel Size
Front wheel rims: 20, 21 Rear wheel rims: 20, 21 in
Wheelbase
2855 mm / 112.4 in
2822 mm / 111.1 in
2870 mm / 113.0 in

Performance

Acceleration | 0 - 60 mph
4.6 sec
CO2 Emission
224 g/km
Coefficient Of Drag
0.33 ~ 0.34
Fuel Economy
9.6 L/100km / 24.5 MPG (combined) | 13.2 L/100km / 17.8 MPG (urban) | 7.5 L/100km / 31.4 MPG (highway)
13.1 L/100km / 18.0 MPG (combined) | 15.7 L/100km / 15.0 MPG (urban) | 9.4 L/100km / 25.0 MPG (highway)
Misc
Roof Operation Time: 15 sec (open) / 16 sec (close)
Top Speed
250.0 km/h / 155.3 mph
270.0 km/h / 167.8 mph

Powertrain

Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
LEV III-ULEV 70
Engine
2UR-GSE
Engine | Bore
89.0 mm / 3.5 in
94.0 mm / 3.7 in
Engine | Compression Ratio
10.0:1
12.3:1
Engine | Displacement
4.4 L / 268.2 cu-in / 4395.0 cc
5.0 L / 303.2 cu-in / 4969.0 cc
Engine | Power
477.0 hp / 355.7 kW @ 7100 rpm
Engine | Specific Output
96.0 hp/L / 1.6 hp/cu-in
Engine | Stroke
88.3 mm / 3.5 in
89.5 mm / 3.5 in
Engine | Torque
540 Nm / 398.3 lb-ft @ 4800 rpm
Engine | Type
Bi-turbocharged direct-injected petrol V8 engine
Naturally-aspirated direct- and multi-port-injected petrol V8 DOHC engine with 4 values per cylinder
Final Drive
2.937x TORSEN Limited Slip
Fuel Capacity
21.7 gal / 82 L
Transmission | Gears
8-speed
8-speed
10-speed
Transmission | Type
Automatic Switch-Tronic
Automatic Steptronic
Automatic Sport Direct Shift

Production

Availability
2020
Debut
2018-11
2019-11 LA Auto Show
Made In
Germany

Reviews

Neofiliac score
84%
85%
98%
Pros
  • Superb level of torque
  • Good performance
  • Double-wishbone + multi-link suspensions
  • Rather good styling
  • Luxurious interior
  • Decent performanceGood 0.28 drag coefficient
  • Good suspension setup
  • Modern yet elegant styling
  • Wonderful V8 engine
  • Smooth drivetrain
  • Luxury appointments
  • High standard equipment
  • Good pricing
  • High reliability
Cons
  • Worse handling despite having double-wishbone front suspensions
  • Even lower engine reliability
  • Diesel in a luxury convertible?
  • Only soft top
  • Poor reliability
  • Obsession with AWD
  • Very high fuel consumption
  • Very little cargo space

Price

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