Audi RS Q8 performance vs BMW X6 M: cost to own

Verdict, over 6 years

They cost about the same

Within $2,819: too close to call. Closest matching trims: same fuel and drive where possible.
RS Q8 performance Performance quattro tiptronic$3,752/moTrue cost
X6 M Competition$3,791/moTrue cost
2027 Audi RS Q8 performance
2027 Audi RS Q8 performance
Closest matching trim: RS Q8 performance Performance quattro tiptronic
Sticker (MSRP)$159,550
+$39,188→↓Freight, fees, HST
Drive away$198,738
+ running costs→↓− $78,180 resale
True cost$3,752/moA month to own, after resale
2027 BMW X6 M
2027 BMW X6 M
Closest matching trim: X6 M Competition
Sticker (MSRP)$159,900
+$38,501→↓Freight, fees, HST
Drive away$198,401
+ running costs→↓− $78,351 resale
True cost$3,791/moA month to own, after resale

Line by line

Price
Sticker (MSRP)✓ $159,550$159,900RS Q8 performance by $350
Freight and fees, before tax$16,324✓ $15,676X6 M by $648
Sales tax (HST)$22,864✓ $22,825X6 M by $39
Drive-away price$198,738✓ $198,401X6 M by $337
Running costs, 6 years
Fuel or charging✓ $28,172$31,568RS Q8 performance by $3,396
Insurance (estimate)✓ $27,517$27,583RS Q8 performance by $66
Maintenance (estimate)$13,961$13,961—
Loan rate6.5%6.5%—
Loan interest$40,746✓ $40,675X6 M by $71
Lost return on your money$39,078✓ $39,013X6 M by $65
Resale after 6 yrs−$78,179✓ −$78,351X6 M by $172
Total
True cost✓ $270,122$272,941RS Q8 performance by $2,819
True cost a month✓ $3,752/mo$3,791/moRS Q8 performance by $39
You pay each month✓ $4,225/mo$4,268/moRS Q8 performance by $43
Practical
Fuel typePremium gasPremium gas—
Seats55—
Carry-ons, 2 peopleNot publishedNot published—
Cargo behind row 2, litresNot publishedNot published—
Length—4.95 m—
Resale % after 6 yrs49%49%—
US crash testNot rated yetNot rated yet—
Price
Sticker (MSRP)
RS Q8 performance Performance quattro tiptronic ✓ $159,550X6 M Competition $159,900Cheaper by RS Q8 performance by $350
Freight and fees, before tax
RS Q8 performance Performance quattro tiptronic $16,324X6 M Competition ✓ $15,676Cheaper by X6 M by $648
Sales tax (HST)
RS Q8 performance Performance quattro tiptronic $22,864X6 M Competition ✓ $22,825Cheaper by X6 M by $39
Drive-away price
RS Q8 performance Performance quattro tiptronic $198,738X6 M Competition ✓ $198,401Cheaper by X6 M by $337
Running costs, 6 years
Fuel or charging
RS Q8 performance Performance quattro tiptronic ✓ $28,172X6 M Competition $31,568Cheaper by RS Q8 performance by $3,396
Insurance (estimate)
RS Q8 performance Performance quattro tiptronic ✓ $27,517X6 M Competition $27,583Cheaper by RS Q8 performance by $66
Maintenance (estimate)
RS Q8 performance Performance quattro tiptronic $13,961X6 M Competition $13,961Cheaper by —
Loan rate
RS Q8 performance Performance quattro tiptronic 6.5%X6 M Competition 6.5%Cheaper by —
Loan interest
RS Q8 performance Performance quattro tiptronic $40,746X6 M Competition ✓ $40,675Cheaper by X6 M by $71
Lost return on your money
RS Q8 performance Performance quattro tiptronic $39,078X6 M Competition ✓ $39,013Cheaper by X6 M by $65
Resale after 6 yrs
RS Q8 performance Performance quattro tiptronic −$78,179X6 M Competition ✓ −$78,351Cheaper by X6 M by $172
Total
True cost
RS Q8 performance Performance quattro tiptronic ✓ $270,122X6 M Competition $272,941Cheaper by RS Q8 performance by $2,819
True cost a month
RS Q8 performance Performance quattro tiptronic ✓ $3,752/moX6 M Competition $3,791/moCheaper by RS Q8 performance by $39
You pay each month
RS Q8 performance Performance quattro tiptronic ✓ $4,225/moX6 M Competition $4,268/moCheaper by RS Q8 performance by $43
Practical
Fuel type
RS Q8 performance Performance quattro tiptronic Premium gasX6 M Competition Premium gasCheaper by —
Seats
RS Q8 performance Performance quattro tiptronic 5X6 M Competition 5Cheaper by —
Carry-ons, 2 people
RS Q8 performance Performance quattro tiptronic Not publishedX6 M Competition Not publishedCheaper by —
Cargo behind row 2, litres
RS Q8 performance Performance quattro tiptronic Not publishedX6 M Competition Not publishedCheaper by —
Length
RS Q8 performance Performance quattro tiptronic —X6 M Competition 4.95 mCheaper by —
Resale % after 6 yrs
RS Q8 performance Performance quattro tiptronic 49%X6 M Competition 49%Cheaper by —
US crash test
RS Q8 performance Performance quattro tiptronic Not rated yetX6 M Competition Not rated yetCheaper by —

✓ marks the better figure. Resale for both is typical for their type and brand (unless you lease). Their stickers differ by $350.