Compare Mercedes-AMG SL R232 vs Mercedes SL R230 facelift 2 vs Cadillac XLR
Variants
SL 55 4MATIC+
SL 63 4MATIC+
SL 63 AMG
SL 65 AMG
SL 280
SL 300
SL 350
SL 500
SL 600
XLR
XLR-V
Capacity
Cargo Capacity
213 L / 7.5 cu-ft ~ 240 L / 8.5 cu-ft
235 L / 8.3 cu-ft ~ 339 L / 12.0 cu-ft
125 L / 4.4 cu-ft ~ 328 L / 11.6 cu-ft
Coolant Capacity
12.3 L / 13.0 qt
12.0 L / 12.7 qt
Engine Oil Capacity
7.6 L / 8.0 qt
Fuel Capacity
70.0 L / 18.5 gal
80.0 L / 21.1 gal
68.0 L / 18.0 gal
Passengers
4
2
2
Chassis
Brakes | Front
Ventilated discs, 390 mm
Ventilated discs
Brakes | Rear
Ventilated discs, 360 mm
Disc
Power Steering
Electric Steering
Hydraulic Steering
Suspension | Front
Double-wishbone
Multi-link
Double-wishbone
Suspension | Rear
Double-wishbone
Multi-link
Multi-link
Turning Circle
12.8 m / 42.1 ft
11.0 m / 36.2 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Coupe
Dimensions
Size | Height
1317 mm / 51.9 in
1279 mm / 50.4 in
Size | Length
4705 mm / 185.2 in
4562 mm / 179.6 in
4513 mm / 177.7 in
Size | Width
1915 mm / 75.4 in
1820 mm / 71.7 in | 2069 mm / 81.5 in (mirror unfolded)
1836 mm / 72.3 in
Track Width | Front
1559.0 mm / 61.4 in
Track Width | Rear
1547.0 mm / 60.9 in
Wheel Size
8J X 18
Wheelbase
2700 mm / 106.3 in
2560 mm / 100.8 in
2685 mm / 105.7 in
Performance
CO2 Emission
268 ~ 288 g/km
291 g/km
Coefficient Of Drag
0.31
Fuel Economy
11.8 L/100km / 19.9 MPG (combined)
Top Speed
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Engine
M 177
Engine | Bore
83.0 mm / 3.3 in
Engine | Compression Ratio
8.6:1
Engine | Displacement
4.0 L / 243.0 cu-in / 3982.0 cc
Engine | Redline
6500 rpm
Engine | Stroke
92.0 mm / 3.6 in
84.0 mm / 3.3 in
Engine | Type
Bi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
9-speed
Transmission | Type
Automatic AMG SPEEDSHIFT MCT
Automatic
Automatic
Production
Availability
2021
Reviews
Neofiliac score
88%
93%
89%
Pros
- Rather good performance
- Decent styling
- Good handling
- Good build quality
- M275-powered V12s remained
- New SL63 AMG is characterful, though unreliable
- Improvements with M272/M273 engines
- Improvements with the 7G-Tronic automatic
- Improved electronics
- More modern styling
- Wonderful styling
- Hardtop convertible
- As well built as any modern Cadillac
- Rear-mounted transmission
Cons
- Obsession with AWD
- I4 engine in an SL
- Larger than before
- Low cargo capacity
- No more M113K-powered SL55 AMG
- Low cargo capacity
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