BMW M850i vs M8 (G15 vs F92 / F91 / F93)
Too close to call on the Guide Score: 11 points apart, and the places each could hold overlap. Read the parts and the cost to own.
BMW M850i G15 / G16 pre-LCI
66Guide Score for 2019Goodabout $3,031 a year to own
BMW F92 M8
77Guide Score for 2025Very goodabout $3,847 a year to own
| Part | M850i G15 / G16 pre-LCI | F92 M8 |
|---|---|---|
| Heritage | 3 counts 15 of 100 | 28 counts 15 of 100 |
| Engine | 46 counts 15 of 100 | 53 counts 15 of 100 |
| Drive feel | 70 counts 20 of 100 | 72 counts 20 of 100 |
| Analog connection | 64 counts 10 of 100 | 69 counts 10 of 100 |
| Weight | 51 counts 10 of 100 | 57 counts 10 of 100 |
| Long-term value | not measured | not measured |
| Ownership | 68 counts 17 of 100 | 66 counts 16 of 100 |
| Acclaim | 43 counts 15 of 100 | 47 counts 15 of 100 |
| Chance of a bill over $10,000 in five years | under 0.1% | under 0.1% |
| Cost to own a year | $3,031 ($2,033 to $4,565) | $3,847 ($2,311 to $5,715) |
| The bills that decide it | Oil and coolant leaks (hot vee); Valve stem seals (older or tracked); Fuel injectors corroded by coolant (N63, 2019 to 2021 cars) | Oil and coolant leaks around the hot vee (S63); Coolant tank leak onto the fuel injectors (S63) |
Guide Score method v5-final.14; each score is shown with its cost to own (about $3,031 a year to own and about $3,847 a year to own at each best year). How it works.