Mercedes-Benz SLK R171 or Porsche Cayman 987c?

2004–2011 vs 2005–2012 · Convertible/Coupe vs Coupe

In short

Length: SLK R171 4,107 mm, Cayman 987c 4,341 mm — a 23 cm difference.
Boot: SLK R171 300 l, Cayman 987c 410 l.
Lowest consumption: SLK R171 7.8 l/100 km, Cayman 987c 9.3 l/100 km.
Power: SLK R171 120–294 kW, Cayman 987c 180–217 kW.
Standard equipment: SLK R171 31 items (Base), Cayman 987c 25 items (Cayman).
Neither is listed on Autodrom right now.

Mercedes-Benz SLK R1712004–2011 · 11 engines · Base, Sport, Sport Edition, Edition 10Specifications →Listings →

Porsche Cayman 987c2005–2012 · 2 engines · Cayman, Cayman SSpecifications →Listings →

Only differences

better value

	Mercedes-Benz SLK R1712004–2011no listings	Porsche Cayman 987c2005–2012no listings
Dimensions
Length	Length4,082 mm–4,107 mm	Length4,341 mm
Width	Width1,777 mm–1,836 mm	Width1,801 mm
Height	Height1,271 mm–1,296 mm	Height1,305 mm
Wheelbase	Wheelbase2,430 mm	Wheelbase2,415 mm
Ground clearance	Ground clearance100 mm–110 mm	Ground clearance105 mm
Trunk volume	Trunk volume208 l–300 l	Trunk volume410 l
Curb weight	Curb weight1,390 kg–1,495 kg	Curb weight1,300 kg–1,350 kg
Fuel tank	Fuel tank70 l	Fuel tank64 l
Engines
Production years	Production years2004–2011	Production years2005–2012
Body type	Body typeConvertible, Coupe	Body typeCoupe
Number of engines	Number of engines11	Number of engines2
Power	Power120–294 kW (163–400 hp)	Power180–217 kW (245–295 hp)
Displacement (l)	Displacement (l)1.8–5.4	Displacement (l)2.7–3.4
Fuel	FuelPetrol	FuelPetrol
Gearbox	GearboxManual, Automatic	GearboxManual
Drivetrain	DrivetrainRear-wheel	DrivetrainRear-wheel
Lowest consumption	Lowest consumption7.8 l/100 km · 200 Kompressor	Lowest consumption9.3 l/100 km · 2.7
Best 0–100 km/h	Best 0–100 km/h4.5 s · 55 AMG Black Series	Best 0–100 km/h5.4 s · S 3.4
Top speed	Top speed280 km/h	Top speed275 km/h
Trim levelsBase · Cayman
Items in the base trim	Items in the base trim31 · Base	Items in the base trim25 · Cayman
Items in the top trim	Items in the top trim38 · Sport	Items in the top trim30 · Cayman S
Equipment · Comfort8 · 6
Climate Control, 1-zone	Climate Control, 1-zone✓	Climate Control, 1-zone✓
Cruise Control	Cruise Control✓	Cruise Control✓
Steering Wheel Height Adjustment	Steering Wheel Height Adjustment✓	Steering Wheel Height Adjustment—
Steering Wheel Reach Adjustment	Steering Wheel Reach Adjustment✓	Steering Wheel Reach Adjustment—
Front Power Windows	Front Power Windows✓	Front Power Windows✓
Power Steering	Power Steering✓	Power Steering✓
Multifunction Steering Wheel	Multifunction Steering Wheel✓	Multifunction Steering Wheel✓
Power-adjustable mirrors	Power-adjustable mirrors✓	Power-adjustable mirrors✓
Equipment · Interior5 · 3
Fabric	Fabric✓	Fabric—
Leather	Leather—	Leather✓
Driver's Seat Height Adjustment	Driver's Seat Height Adjustment—	Driver's Seat Height Adjustment✓
Front Seats Height Adjustment	Front Seats Height Adjustment✓	Front Seats Height Adjustment—
Leather Steering Wheel	Leather Steering Wheel✓	Leather Steering Wheel✓
Leather Gear Knob	Leather Gear Knob✓	Leather Gear Knob—
Front centre armrest	Front centre armrest✓	Front centre armrest—
Equipment · Multimedia3 · 3
Audio System	Audio System✓	Audio System✓
12V Socket	12V Socket✓	12V Socket✓
AUX input	AUX input✓	AUX input✓
Equipment · Visibility & lights3 · 0
Heated Side Mirrors	Heated Side Mirrors✓	Heated Side Mirrors—
Fog Lights	Fog Lights✓	Fog Lights—
Automatic Headlight Leveling	Automatic Headlight Leveling✓	Automatic Headlight Leveling—
Equipment · Safety7 · 7
Driver's Airbag	Driver's Airbag✓	Driver's Airbag✓
Front Passenger Airbag	Front Passenger Airbag✓	Front Passenger Airbag✓
Front Side Airbags	Front Side Airbags✓	Front Side Airbags✓
Curtain Airbags	Curtain Airbags—	Curtain Airbags✓
Traction Control	Traction Control✓	Traction Control—
Brake assist (BAS)	Brake assist (BAS)✓	Brake assist (BAS)✓
ABS	ABS✓	ABS✓
Electronic Stability Control (ESP)	Electronic Stability Control (ESP)✓	Electronic Stability Control (ESP)✓
Equipment · Anti-theft3 · 3
Alarm	Alarm✓	Alarm✓
Central Locking	Central Locking✓	Central Locking✓
Immobilizer	Immobilizer✓	Immobilizer✓
Equipment · Exterior2 · 3
Alloy Wheels	Alloy Wheels✓	Alloy Wheels✓
R16 Wheels	R16 Wheels✓	R16 Wheels—
R17 Wheels	R17 Wheels—	R17 Wheels✓
Compact spare wheel	Compact spare wheel—	Compact spare wheel✓
On Autodrom now
Listings	Listings0	Listings0

Frequently asked questions

Which is bigger — Mercedes-Benz SLK R171 or Porsche Cayman 987c?

Length: Porsche Cayman 987c 4,341 mm, Mercedes-Benz SLK R171 4,107 mm (a 234 mm difference). Wheelbase: 2,415 vs 2,430 mm. Boot: 410 vs 300 l.

Which uses less fuel — Mercedes-Benz SLK R171 or Porsche Cayman 987c?

The most frugal Mercedes-Benz SLK R171 uses 7.8 l/100 km (200 Kompressor); the most frugal Porsche Cayman 987c 9.3 l/100 km (2.7).

Which is more powerful — Mercedes-Benz SLK R171 or Porsche Cayman 987c?

The strongest Mercedes-Benz SLK R171 makes 294 kW (400 hp) (55 AMG Black Series); the strongest Porsche Cayman 987c 217 kW (295 hp) (S 3.4).

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