Audi Q8 vs Porsche Cayenne: cost to own

Verdict, over 6 years

The Audi Q8 costs about $7,351 less

That's $102 a month. Closest matching trims: same fuel and drive where possible.
Q8 Progressiv TFSI quattro tiptronic✓ $2,349/moTrue cost
Cayenne$2,451/moTrue cost
2027 Audi Q8
2027 Audi Q8
Closest matching trim: Q8 Progressiv TFSI quattro tiptronic
Sticker (MSRP)$96,200
+$16,667→↓Freight, fees, HST
Drive away$112,867
+ running costs→↓− $47,138 resale
True cost$2,349/moA month to own, after resale
2027 Porsche Cayenne
2027 Porsche Cayenne
Closest matching trim: Cayenne
Sticker (MSRP)$96,400
+$19,970→↓Freight, fees, HST
Drive away$116,370
+ running costs→↓− $47,236 resale
True cost$2,451/moA month to own, after resale

Line by line

Price
Sticker (MSRP)✓ $96,200$96,400Q8 by $200
Freight and fees, before tax✓ $3,682$6,582Q8 by $2,900
Sales tax (HST)✓ $12,985$13,388Q8 by $403
Drive-away price✓ $112,867$116,370Q8 by $3,503
Running costs, 6 years
Fuel or charging✓ $24,176$26,973Q8 by $2,797
Insurance (estimate)$19,994✓ $19,730Cayenne by $264
Maintenance (estimate)$13,961$13,961—
Loan rate6.5%6.5%—
Loan interest✓ $22,686$23,423Q8 by $737
Lost return on your money✓ $22,511$23,187Q8 by $676
Resale after 6 yrs−$47,138✓ −$47,236Cayenne by $98
Total
True cost✓ $169,148$176,498Q8 by $7,350
True cost a month✓ $2,349/mo$2,451/moQ8 by $102
You pay each month✓ $2,622/mo$2,716/moQ8 by $94
Practical
Fuel typePremium gasPremium gas—
Seats55—
Carry-ons, 2 peopleNot published6—
Towing, lb—7,700—
Cargo behind row 2, litresNot published698—
Length—4.93 m—
Resale % after 6 yrs49%49%—
US crash test✓ 5★Not rated yet—
Price
Sticker (MSRP)
Q8 Progressiv TFSI quattro tiptronic ✓ $96,200Cayenne $96,400Cheaper by Q8 by $200
Freight and fees, before tax
Q8 Progressiv TFSI quattro tiptronic ✓ $3,682Cayenne $6,582Cheaper by Q8 by $2,900
Sales tax (HST)
Q8 Progressiv TFSI quattro tiptronic ✓ $12,985Cayenne $13,388Cheaper by Q8 by $403
Drive-away price
Q8 Progressiv TFSI quattro tiptronic ✓ $112,867Cayenne $116,370Cheaper by Q8 by $3,503
Running costs, 6 years
Fuel or charging
Q8 Progressiv TFSI quattro tiptronic ✓ $24,176Cayenne $26,973Cheaper by Q8 by $2,797
Insurance (estimate)
Q8 Progressiv TFSI quattro tiptronic $19,994Cayenne ✓ $19,730Cheaper by Cayenne by $264
Maintenance (estimate)
Q8 Progressiv TFSI quattro tiptronic $13,961Cayenne $13,961Cheaper by —
Loan rate
Q8 Progressiv TFSI quattro tiptronic 6.5%Cayenne 6.5%Cheaper by —
Loan interest
Q8 Progressiv TFSI quattro tiptronic ✓ $22,686Cayenne $23,423Cheaper by Q8 by $737
Lost return on your money
Q8 Progressiv TFSI quattro tiptronic ✓ $22,511Cayenne $23,187Cheaper by Q8 by $676
Resale after 6 yrs
Q8 Progressiv TFSI quattro tiptronic −$47,138Cayenne ✓ −$47,236Cheaper by Cayenne by $98
Total
True cost
Q8 Progressiv TFSI quattro tiptronic ✓ $169,148Cayenne $176,498Cheaper by Q8 by $7,350
True cost a month
Q8 Progressiv TFSI quattro tiptronic ✓ $2,349/moCayenne $2,451/moCheaper by Q8 by $102
You pay each month
Q8 Progressiv TFSI quattro tiptronic ✓ $2,622/moCayenne $2,716/moCheaper by Q8 by $94
Practical
Fuel type
Q8 Progressiv TFSI quattro tiptronic Premium gasCayenne Premium gasCheaper by —
Seats
Q8 Progressiv TFSI quattro tiptronic 5Cayenne 5Cheaper by —
Carry-ons, 2 people
Q8 Progressiv TFSI quattro tiptronic Not publishedCayenne 6Cheaper by —
Towing, lb
Q8 Progressiv TFSI quattro tiptronic —Cayenne 7,700Cheaper by —
Cargo behind row 2, litres
Q8 Progressiv TFSI quattro tiptronic Not publishedCayenne 698Cheaper by —
Length
Q8 Progressiv TFSI quattro tiptronic —Cayenne 4.93 mCheaper by —
Resale % after 6 yrs
Q8 Progressiv TFSI quattro tiptronic 49%Cayenne 49%Cheaper by —
US crash test
Q8 Progressiv TFSI quattro tiptronic ✓ 5★Cayenne 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 $200.