Q8 vs XC90
For midsize luxury suv shoppers, the Q8 from Audi and the XC90 from Volvo are two of the obvious candidates. Across 4 compared areas, the XC90 takes 2. The widest gap shows up under fuel economy & range.
At a glance
- Engine & Performance Q8 wins
- Fuel Economy & Range XC90 wins
- Space & Practicality XC90 wins
- Off-road & Towing Q8 wins
- Engine & Performance2.6
- Fuel Economy & Range5.9
- Off-road & Towing9.3
- Engine & Performance0.2
- Fuel Economy & Range10.0
- Off-road & Towing5.5
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
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The XC90 has better fuel economy
The Q8 lists 19 mpg; the XC90 comes in at 26 mpg. That’s not a rounding error. Official figures rarely match real-world driving exactly, but the ranking between two cars tends to hold.
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The Q8 has 88 hp more power
At 335 hp versus 247 hp, this is a decisive lead for the Q8, the kind of difference you notice without looking for it. More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board.
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The XC90 has room for 7 seats
If seats is one of your priorities, this settles it: the XC90 leads clearly with 7 seats to the Q8’s 5 seats. The XC90 has room for more passengers, useful for growing families and carpools.
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The Q8 has 2,700 lb more towing capacity
The numbers aren’t close. The Q8 lists 7,700 lb for max towing, while the XC90 lists 5,000 lb. If you tow regularly, the Q8’s higher rating gives you more margin.
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The Q8 has 111 lb-ft more torque
A clear win for the Q8: 369 lb-ft against 258 lb-ft. Few specs in this matchup are as one-sided. The Q8’s extra torque makes it more relaxed when fully loaded or towing.
Design & Size
Engine & Performance
Q8 leads
The Q8 wins the engine & performance section decisively. The Q8 has the edge with 88 hp more power. The Q8’s extra output gives it more in reserve when you need to get up to speed. If this section decides it for you, choose the Q8.
Total system output
Q8: 335 hp XC90: 247 hp Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels.
Torque
Q8: 369 lb-ft XC90: 258 lb-ft Electrified powertrains deliver torque instantly, so compare torque figures alongside the powertrain type.
Fuel Economy & Range
XC90 leads
Here the XC90 opens up one of its biggest leads in the comparison. The XC90 gives you better fuel economy. Better combined fuel economy lowers your running costs every week, and the savings add up over years of ownership. For fuel economy & range, the XC90 is the one to beat.
Fuel economy (combined)
Q8: 19 mpg XC90: 26 mpg The XC90 uses less fuel on the standard combined cycle, which matters most if you drive a lot.
Fuel economy (city)
Q8: 17 mpg XC90: 23 mpg City fuel economy matters most if your driving is mostly short trips, traffic and stop-and-go commutes.
Space & Practicality
XC90 leads
The space & practicality comparison is one-sided. The XC90 leads where it counts. The XC90 scores with room for 7 seats. Third-row seats are often best for kids, so check legroom figures if adults will sit there. For anyone who cares most about space & practicality, the XC90 is the safer choice.
Seats
Q8: 5 seats XC90: 7 seats Extra seats mean you can take more people along without taking a second car.
Off-road & Towing
Q8 leads
The Q8 is the clear pick if off-road & towing is what you care about most. The Q8 wins here with 2,700 lb more towing capacity. Towing ratings depend on configuration and equipment, so check the exact trim you’re looking at. The off-road & towing verdict goes to the Q8.
Max towing
Q8: 7,700 lb XC90: 5,000 lb A higher towing capacity lets you pull bigger trailers, boats and campers.
Safety & Tech
We don’t score this area directly, because the safety & tech specs are labels rather than measurements. The table shows what each lists.
Full Specifications
Engine & Performance
| Spec | Q8 | XC90 |
|---|---|---|
| Powertrain | Gas (48V mild hybrid) | Gas (48V mild hybrid) |
| Engine | 3.0L turbo V6 | 2.0L turbo I4 |
| Total system output | 335 hp (winner) | 247 hp |
| Torque | 369 lb-ft (winner) | 258 lb-ft |
| Transmission | 8-speed automatic | 8-speed automatic |
| Drivetrain | AWD (quattro) | AWD |
Fuel Economy & Range
| Spec | Q8 | XC90 |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 19 mpg | 26 mpg (winner) Most efficient in class |
| Fuel economy (city) | 17 mpg | 23 mpg (winner) |
| Fuel economy (highway) | 23 mpg | 30 mpg (winner) Best highway economy |
Space & Practicality
| Spec | Q8 | XC90 |
|---|---|---|
| Seats | 5 seats | 7 seats (winner) |
Off-road & Towing
| Spec | Q8 | XC90 |
|---|---|---|
| Max towing | 7,700 lb (winner) | 5,000 lb |
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | Q8 | XC90 |
|---|---|---|
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Which One Should You Buy?
Choose the Q8 if…
- you merge, overtake or climb hills with a full load (335 hp vs 247 hp)
- you want the higher towing capacity (7,700 lb vs 5,000 lb)
- you want more pulling power from low speeds (369 lb-ft vs 258 lb-ft of torque)
Choose the XC90 if…
- you want better combined fuel economy (26 mpg vs 19 mpg)
- you regularly carry extra passengers (7 seats vs 5 seats)
- you mostly drive in town (23 mpg vs 17 mpg in the city)
- you cover long highway distances (30 mpg vs 23 mpg on the highway)
Also Compared
Frequently Asked Questions
Should I buy the Q8 or the XC90?
We’d point most buyers to the XC90. The main exception is if you care more about 88 hp more power than anything else.
Executive Summary
Brand loyalty aside, I tried to judge the Q8 and the XC90 purely on what they offer. I keep coming back to one thing: the XC90 gets better fuel economy. There’s a bonus as well: the XC90 has room for 7 seats. The Q8 isn’t without merit: 88 hp more power is a real advantage.
Fit matters more than scores here. The Q8 suits buyers focused on engine & performance; the XC90 suits those focused on fuel economy & range.
My pick: the XC90, unless you need 88 hp more power, which only the Q8 offers, in which case the Q8 earns its place.
Personal opinion based on the data above. Your priorities may differ.