BMW M850i G14 Convertible post-LCI vs G80 M3

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

First car Second car

BMW M850i G14 Convertible post-LCI

64Guide Score for 2026Goodabout $3,012 a year to own

Provisional: places 25 to 54 of 69

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	M850i G14 Convertible post-LCI	G80 M3
Heritage	3 counts 15 of 100	34 counts 16 of 100
Engine	46 counts 15 of 100	62 counts 16 of 100
Drive feel	68 counts 20 of 100	76 counts 21 of 100
Analog connection	64 counts 10 of 100	74 counts 10 of 100
Weight	42 counts 10 of 100	72 counts 10 of 100
Long-term value	not measured	not measured
Ownership	70 counts 17 of 100	69 counts 12 of 100
Acclaim	43 counts 15 of 100	73 counts 16 of 100
Chance of a bill over $10,000 in five years	under 0.1%	under 0.1%
Cost to own a year	$3,012 ($2,014 to $4,546)	$2,818 ($1,870 to $4,652)
The bills that decide it	Oil and coolant leaks (hot vee); Valve stem seals (older or tracked)	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 $3,012 a year to own and about $2,818 a year to own at each best year). How it works.