BMW E71 X6 M vs G80 M3

The G80 M3 scores higher, by more than the range either could move.

First car Second car

BMW E71 X6 M

40Guide Score for 2014Not for most buyersabout $5,046 a year to own

About 67th of 69, likely 56th to 69th

BMW G80 M3

89Guide Score for 2022Excellentabout $2,818 a year to own

About 10th of 69, likely 4th to 19th

The seven parts and acclaim, side by side, each with its share of that car’s score
Part	E71 X6 M	G80 M3
Heritage	18 counts 14 of 100	34 counts 16 of 100
Engine	47 counts 14 of 100	62 counts 16 of 100
Drive feel	62 counts 19 of 100	76 counts 21 of 100
Analog connection	80 counts 10 of 100	74 counts 10 of 100
Weight	23 counts 10 of 100	72 counts 10 of 100
Long-term value	not measured	not measured
Ownership	15 counts 19 of 100	69 counts 12 of 100
Acclaim	25 counts 14 of 100	73 counts 16 of 100
Chance of a bill over $10,000 in five years	31%	under 0.1%
Cost to own a year	$5,046 ($3,304 to $7,521)	$2,818 ($1,870 to $4,652)
The bills that decide it	Valve stem seals (S63); Fuel injector failure (S63); Rod bearing wear (S63, first version)	Coolant tank and charge-air cooler leaks; Carbon buildup (direct injection); Infotainment software glitches

Guide Score method v5-final.14; each score is shown with its cost to own (about $5,046 a year to own and about $2,818 a year to own at each best year). How it works.