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Mercedes-Benz SLK55 AMG vs Porsche Boxster

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Mercedes-Benz logo

2016 Mercedes-Benz SLK55 AMG

Porsche logo

2016 Porsche Boxster

Overview

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
Selected trimAMG SLK 55Base
Body styleConvertibleConvertible
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission7-speed shiftable automatic6-speed manual
Engine typegasgas
Model year20162016

Pricing & market

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
MSRP$72,600$52,100 (best)
For sale now00

Fuel economy & range

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
Combined MPG22 MPG24 MPG (best)
City MPG19 MPG20 MPG (best)
Highway MPG28 MPG30 MPG (best)
Fuel tank18.5 gal (best)16.9 gal

Performance

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
Horsepower416 hp (best)265 hp
Torque398 lb-ft (best)206 lb-ft
Engine size5.5 L (best)2.7 L
CylindersV8flat 6

Size & capability

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
Seating2 seats2 seats
Doors22
Cargo volume10.1 cu ft (best)4.6 cu ft
Curb weight2,888 lbs (best)
Wheelbase95.7 in97.4 in (best)
Length163.2 in172.2 in (best)
Width71.5 in (best)70.9 in
Height51.2 in (best)50.5 in

Safety & recalls

SpecMercedes-Benz SLK55 AMGAMG SLK 55Porsche BoxsterBase
Open recalls (YMM scope)1None reported (best)

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimMercedes-Benz SLK55 AMGPorsche Boxster
1

AMG SLK 55

$72,600 MSRP(Currently comparing)

Base

$52,100 MSRP(Currently comparing)

2

S

$63,900 MSRP

3

GTS

$74,600 MSRP

4

Spyder

$82,100 MSRP

Mercedes-Benz SLK55 AMG vs Porsche Boxster FAQ

Which is better: 2016 Mercedes-Benz SLK55 AMG or 2016 Porsche Boxster?
It depends on priorities. OpenDealer compares 2016 Mercedes-Benz SLK55 AMG vs 2016 Porsche Boxster on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2016 Mercedes-Benz SLK55 AMG or 2016 Porsche Boxster?
Based on starting MSRP, the 2016 Porsche Boxster starts lower at $52,100.
Which has better startingMsrp: 2016 Mercedes-Benz SLK55 AMG or 2016 Porsche Boxster?
The 2016 Porsche Boxster leads on startingMsrp in this comparison (52,100).
Which has better combinedMpg: 2016 Mercedes-Benz SLK55 AMG or 2016 Porsche Boxster?
The 2016 Porsche Boxster leads on combinedMpg in this comparison (24).
Which has better horsepower: 2016 Mercedes-Benz SLK55 AMG or 2016 Porsche Boxster?
The 2016 Mercedes-Benz SLK55 AMG leads on horsepower in this comparison (416).