Mercedes-Benz SL-Class vs Porsche 718 Boxster (2025)

Price gap, MSRP

$37,050

Scored measures. Each is scaled to the larger value. Bold: the winner.

SL-Class SL-Class AMG SL 43 RWD vs 718 Boxster RWD
Measure	SL-Class	718 Boxster	Winner
MSRP	$111,950	$74,900	718 Boxster
Horsepower	416 hp	300 hp	SL-Class
Torque	N/A	280 lb-ft	N/A
MPG combined	22 mpg	24 mpg	718 Boxster
Cargo, max	13.5 cu ft	4.4 cu ft	SL-Class
Front legroom	42.9 in	N/A	N/A
Length	181.6 in	172.4 in	Not scored
Width	N/A	70.9 in	N/A
Curb weight	4,035 lb	3,097 lb	Not scored
Seats	4	2	SL-Class
Ground clearance	3.8 in	3.6 in	About the same
0-60 mph	4.7 s estimate	4.7 s tested	About the same
Basic warranty	4 yr / 50,000 mi	4 yr / 50,000 mi	About the same

Not scored: length, width, curb weight. N/A rows are not counted.

Nearest trims by price

Each trim and the rival trim nearest in MSRP
Trim	Nearest in price	Gap
SL-Class SL-Class AMG SL 43 RWD $111,950	718 Boxster GTS 4.0 Roadster RWD $105,500	$6,450
718 Boxster RWD $74,900	SL-Class SL-Class AMG SL 43 RWD $111,950	$37,050

Miles a yearGas, $ per gallonElectricity, cents per kWhYears

718 Boxster costs $37,923 less over 6 years.

12,000 miles a year. Gas $3.20. Electricity 17 cents per kWh.

Weight each group from 0 to 10. MPG uses fuel or charging cost.

Price 5MPG 5Power 5Space 5Towing 5

Equal weights: SL-Class wins.

718 Boxster wins if Space weight is 1 or less.

Your price and mpg will differ.

Reliability and safety are not included.