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Audi S8 vs BMW M5 (2026)

Price gap, MSRP + destination

$6,295

Car 1

Car 2

S8M5MSRP + destination$131,045$124,750Horsepower563 hp717 hpMPG combined18 mpg14 mpgCargo, max12.5 cu ft16.5 cu ftCargo, seats up12.5 cu ft16.5 cu ftRear legroom44.3 in37.0 inFront legroom41.5 in41.3 inSeats550-60 mph3.8 s3.5 s
Scored measures. Each is scaled to the larger value. Bold: the winner.
S8 Base Style AWD vs M5 AWD
MeasureS8M5Winner
MSRP + destination$131,045$124,750M5
Horsepower563 hp717 hpM5
Torque590 lb-ft553 lb-ft to 738 lb-ftN/A
MPG combined18 mpg14 mpgS8
EV rangeN/A29 miN/A
Cargo, max12.5 cu ft16.5 cu ftM5
Cargo, seats up12.5 cu ft16.5 cu ftM5
Rear legroom44.3 in37.0 inS8
Front legroom41.5 in41.3 inAbout the same
Length203.9 in to 209.5 in195.3 in to 200.6 inN/A
Width76.6 in73.6 in to 77.6 inN/A
Curb weight5,126 lb to 5,313 lb4,370 lb to 5,390 lbN/A
Seats55About the same
Ground clearanceN/A5.0 inN/A
0-60 mph3.8 s tested3.5 s testedM5
Basic warranty4 yr / 50,000 mi4 yr / 50,000 miAbout 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
TrimNearest in priceGap
S8 Base Style AWD
$130,000		M5 Touring AWD
$125,300		$4,700
M5 AWD
$123,300		S8 Base Style AWD
$130,000		$6,700

Cost to run

M5 costs $6,460 less over 6 years.

12,000 miles a year. Gas $3.20. Electricity 17 cents per kWh. Plug-in share 50%.

Price plus fuel or charging over 6 years
CostS8M5
MSRP + destination$131,045$124,750
Fuel or charging, 1 year$2,133$2,106
Fuel or charging, 6 years$12,800$12,635
Total, 6 years$143,845$137,385

Which is better for me?

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

Equal weights: M5 wins.

No single weight change flips the winner.

Who is ahead in each group
GroupAheadBy
PriceM55%
MPGAbout the same
PowerM521%
SpaceM524%
TowingN/A

Other years

What this cannot tell you

Your price and mpg will differ.

Reliability and safety are not included.

How values are checked