BMW Z4 E85 or Mercedes-Benz SLK R171?

2002–2008 vs 2004–2011 · Convertible vs Convertible/Coupe

In short

Length: Z4 E85 4,091 mm, SLK R171 4,107 mm — a 2 cm difference.
Boot: Z4 E85 260 l, SLK R171 300 l.
Lowest consumption: Z4 E85 8.2 l/100 km, SLK R171 7.8 l/100 km.
Power: Z4 E85 110–252 kW, SLK R171 120–294 kW.
Standard equipment: Z4 E85 24 items (Base), SLK R171 31 items (Base).
Neither is listed on Autodrom right now.

BMW Z4 E852002–2008 · 11 engines · Base, Sportpaket, Premium Package, Open Air PaketSpecifications →Listings →

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

Only differences

better value

	BMW Z4 E852002–2008no listings	Mercedes-Benz SLK R1712004–2011no listings
Dimensions
Length	Length4,091 mm	Length4,082 mm–4,107 mm
Width	Width1,781 mm	Width1,777 mm–1,836 mm
Height	Height1,290 mm–1,299 mm	Height1,271 mm–1,296 mm
Wheelbase	Wheelbase2,495 mm	Wheelbase2,430 mm
Ground clearance	Ground clearance115 mm–120 mm	Ground clearance100 mm–110 mm
Trunk volume	Trunk volume260 l	Trunk volume208 l–300 l
Curb weight	Curb weight1,250 kg–1,425 kg	Curb weight1,390 kg–1,495 kg
Fuel tank	Fuel tank55 l	Fuel tank70 l
Engines
Production years	Production years2002–2008	Production years2004–2011
Body type	Body typeConvertible	Body typeConvertible, Coupe
Number of engines	Number of engines11	Number of engines11
Power	Power110–252 kW (150–343 hp)	Power120–294 kW (163–400 hp)
Displacement (l)	Displacement (l)2.0–3.2	Displacement (l)1.8–5.4
Fuel	FuelPetrol	FuelPetrol
Gearbox	GearboxManual, Automatic	GearboxManual, Automatic
Drivetrain	DrivetrainRear-wheel	DrivetrainRear-wheel
Lowest consumption	Lowest consumption8.2 l/100 km · 2.0i	Lowest consumption7.8 l/100 km · 200 Kompressor
Best 0–100 km/h	Best 0–100 km/h5 s · M 3.2	Best 0–100 km/h4.5 s · 55 AMG Black Series
Top speed	Top speed250 km/h	Top speed280 km/h
Trim levelsBase · Base
Items in the base trim	Items in the base trim24 · Base	Items in the base trim31 · Base
Items in the top trim	Items in the top trim29 · Sportpaket	Items in the top trim38 · Sport
Equipment · Comfort5 · 8
Air Conditioning	Air Conditioning✓	Air Conditioning—
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 · Interior3 · 5
Fabric	Fabric✓	Fabric✓
Front Seats Height Adjustment	Front Seats Height Adjustment—	Front Seats Height Adjustment✓
2 Seats	2 Seats✓	2 Seats—
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 & lights1 · 3
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✓
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 · 2
Alloy Wheels	Alloy Wheels✓	Alloy Wheels✓
R16 Wheels	R16 Wheels✓	R16 Wheels✓
On Autodrom now
Listings	Listings0	Listings0

Frequently asked questions

Which is bigger — BMW Z4 E85 or Mercedes-Benz SLK R171?

Length: Mercedes-Benz SLK R171 4,107 mm, BMW Z4 E85 4,091 mm (a 16 mm difference). Wheelbase: 2,430 vs 2,495 mm. Boot: 300 vs 260 l.

Which uses less fuel — BMW Z4 E85 or Mercedes-Benz SLK R171?

The most frugal BMW Z4 E85 uses 8.2 l/100 km (2.0i); the most frugal Mercedes-Benz SLK R171 7.8 l/100 km (200 Kompressor).

Which is more powerful — BMW Z4 E85 or Mercedes-Benz SLK R171?

The strongest BMW Z4 E85 makes 252 kW (343 hp) (M 3.2); the strongest Mercedes-Benz SLK R171 294 kW (400 hp) (55 AMG Black Series).

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