Compare Mercedes-AMG SL R232 vs BMW Z4 E89 vs BMW Z4 G29

Variants
SL 55 4MATIC+
SL 63 4MATIC+
sDrive20i
sDrive20i AT
sDrive23i
sDrive23i AT
sDrive28i
sDrive28i AT
sDrive30i
sDrive30i AT
sDrive35is AT
sDrive35i
sDrive35i AT
M40i
sDrive20i
sDrive20i MT
sDrive30i

Capacity

Cargo Capacity
213 L / 7.5 cu-ft ~ 240 L / 8.5 cu-ft
180 L / 6.4 cu-ft ~ 310 L / 10.9 cu-ft
281 L / 9.9 cu-ft
Coolant Capacity
12.3 L / 13.0 qt
Fuel Capacity
70.0 L / 18.5 gal
55.0 L / 14.5 gal
52.0 L / 13.7 gal
Passengers
4
2
2
Payload
255 kg / 562 lbs

Chassis

Brakes | Front
Ventilated discs, 390 mm
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs, 360 mm
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Double-wishbone
MacPherson strut
MacPherson strut
Suspension | Rear
Double-wishbone
Multi-link
Multi-link
Turning Circle
12.8 m / 42.1 ft
9.8 m / 32.1 ft
11.0 m / 36.1 ft

Construction

Body Style
2-door Convertible
2-door Convertible
2-door Convertible

Dimensions

Ground Clearance
117 mm
Size | Height
1304 mm / 51.3 in
Size | Length
4705 mm / 185.2 in
4324 mm / 170.2 in
Size | Width
1915 mm / 75.4 in
1790 mm / 70.5 in
1864 mm / 73.4 in | 2024 mm / 79.7 in (mirror unfolded)
Track Width | Front
1511.0 mm / 59.5 in
Wheelbase
2700 mm / 106.3 in
2496 mm / 98.3 in
2470 mm / 97.2 in

Performance

CO2 Emission
268 ~ 288 g/km
Coefficient Of Drag
0.31
Fuel Economy
11.8 L/100km / 19.9 MPG (combined)

Powertrain

Drivetrain Layout
Front-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Engine
M 177
Engine | Bore
83.0 mm / 3.3 in
82.0 mm / 3.2 in
Engine | Compression Ratio
8.6:1
Engine | Displacement
4.0 L / 243.0 cu-in / 3982.0 cc
Engine | Stroke
92.0 mm / 3.6 in
94.6 mm / 3.7 in
Engine | Type
Bi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinder
Fuel Capacity
52 L
Transmission | Gears
9-speed
8-speed
Transmission | Type
Automatic AMG SPEEDSHIFT MCT
ZF 8HP automatic

Production

Availability
2021
Debut
2018 Paris Motor Show
Made In
Austria

Reviews

Neofiliac score
88%
84%
77%
Pros
  • Rather good performance
  • Decent styling
  • Good handling
  • Good build quality
  • Superb elegance
  • Beautiful with top up or down
  • Good N52 engine
  • Good transmissions
  • Small turning circle
  • Good handling characteristics
  • Equipped with B58 engine
  • Good 0.28 drag coefficient
  • Still in RWD
  • Manual transmission
Cons
  • Obsession with AWD
  • I4 engine in an SL
  • Larger than before
  • Low cargo capacity
  • Stuck with MacPherson struts in the front
  • Horrible N20 engine
  • Bad N54 engine
  • Soft-top only
  • B58 capped by Euro 6d nonsense outside the USA
  • Low cargo capacity

Price

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