
Q3 vs UX 300h
Few matchups in the subcompact luxury suv class come up as often as the Q3 against the UX 300h. Your answer depends on what you value. The Q3 does better on engine & performance, and the UX 300h does better on fuel economy & range.
At a glance
- Engine & Performance Q3 wins
- Fuel Economy & Range UX 300h wins
- Space & Practicality Tie
- Off-road & Towing Tie
- Fuel Economy & Range3.7
- Fuel Economy & Range10.0
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 UX 300h has better fuel economy
Of all the specs we compared, this is one where the UX 300h makes its strongest case: 43 mpg against 25 mpg. Better combined fuel economy lowers your running costs every week, and the savings add up over years of ownership.
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The Q3 has 32 hp more power
The Q3 clearly leads on total system output, and 228 hp versus 196 hp is a difference that reaches well beyond the spec sheet. The Q3’s extra output gives it more in reserve when you need to get up to speed.
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The UX 300h has better city fuel economy
On fuel economy (city), the UX 300h posts 45 mpg against 22 mpg for the Q3, a gap big enough to feel in everyday use. In town, driving style has a big effect, but the UX 300h starts from a better baseline.
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The UX 300h has better highway fuel economy
This is one of the widest gaps in the whole comparison: 41 mpg for the UX 300h versus 29 mpg for the Q3. Speed, wind and load affect highway use a lot, but the official rating is a fair comparison point.
Design & Size
Dimensions
| Spec | Q3 | UX 300h |
|---|---|---|
| Length | N/A (not specified) | 177 in |
| Width (no mirrors) | N/A (not specified) | 72.4 in |
| Height | N/A (not specified) | 60.6 in |
| Wheelbase | N/A (not specified) | 103.9 in |
Engine & Performance
Q3 leads
When it comes to engine & performance, the Q3 is comfortably ahead. The Q3 stands out with 32 hp more power. Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels. Anyone shopping mainly on engine & performance should start with the Q3.
Total system output
Q3: 228 hp UX 300h: 196 hp More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board.
Fuel Economy & Range
UX 300h leads
This is one of the UX 300h’s strongest areas. On fuel economy & range, the Q3 falls well short. The UX 300h steps ahead thanks to better fuel economy. The UX 300h uses less fuel on the standard combined cycle, which matters most if you drive a lot. In short, the UX 300h is the better-equipped car for fuel economy & range.
Fuel economy (combined)
Q3: 25 mpg UX 300h: 43 mpg Official figures rarely match real-world driving exactly, but the ranking between two cars tends to hold.
Fuel economy (city)
Q3: 22 mpg UX 300h: 45 mpg City fuel economy matters most if your driving is mostly short trips, traffic and stop-and-go commutes.
Space & Practicality
Too close to call
There’s little to choose between them when it comes to space & practicality. Both cover space & practicality well enough that other priorities should break the tie.
Off-road & Towing
Too close to call
Evenly matched is the fairest summary of the off-road & towing section. Net result on off-road & towing: level.
Safety & Tech
There isn’t a number to compare on safety & tech, just names. Look at the rows below to see how the Q3 and the UX 300h differ.
Full Specifications
Engine & Performance
| Spec | Q3 | UX 300h |
|---|---|---|
| Powertrain | Gas | Hybrid |
| Engine | 2.0L turbo I4 | 2.0L I4 hybrid |
| Total system output | 228 hp (winner) | 196 hp |
| Torque | 251 lb-ft | N/A (not specified) |
| Transmission | 8-speed automatic | eCVT |
| Drivetrain | AWD (quattro) | FWD (AWD available) |
Fuel Economy & Range
| Spec | Q3 | UX 300h |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 25 mpg | 43 mpg (winner) Most efficient in class |
| Fuel economy (city) | 22 mpg | 45 mpg (winner) Best city economy |
| Fuel economy (highway) | 29 mpg | 41 mpg (winner) Best highway economy |
| Fuel tank | N/A (not specified) | 10.6 gal |
Space & Practicality
| Spec | Q3 | UX 300h |
|---|---|---|
| Seats | 5 seats | 5 seats |
| Cargo (behind rear seats) | N/A (not specified) | 17.2 cu ft Smallest cargo area |
Off-road & Towing
| Spec | Q3 | UX 300h |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | Q3 | UX 300h |
|---|---|---|
| Largest touchscreen | N/A (not specified) | 12.3 in |
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi |
Dimensions
| Spec | Q3 | UX 300h |
|---|---|---|
| Length | N/A (not specified) | 177 in |
| Width (no mirrors) | N/A (not specified) | 72.4 in |
| Height | N/A (not specified) | 60.6 in |
| Wheelbase | N/A (not specified) | 103.9 in |
Price
| Spec | Q3 | UX 300h |
|---|---|---|
| Starting MSRP | N/A (not specified) | $37,455 |
“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 Q3 if…
- you merge, overtake or climb hills with a full load (228 hp vs 196 hp)
- you’re loyal to Audi and happy with it
Choose the UX 300h if…
- you want better combined fuel economy (43 mpg vs 25 mpg)
- you want better city fuel economy (45 mpg vs 22 mpg)
- you want better highway fuel economy (41 mpg vs 29 mpg)
Also Compared
Frequently Asked Questions
Which is better for most people, the Q3 or the UX 300h?
The Q3 and the UX 300h split the comparison (engine & performance for the Q3, fuel economy & range for the UX 300h), so pick the strength you’ll use.
Executive Summary
I love a proper cross-brand matchup, and the Q3 against the UX 300h is exactly that. My main argument for the Q3? It comes with 32 hp more power. I’ll admit the UX 300h has a point with better fuel economy.
The Q3 is built for people who weigh engine & performance heavily, and the UX 300h for people who weigh fuel economy & range.
My pick: decide whether you’d miss engine & performance or fuel economy & range more, then buy the Q3 or the UX 300h accordingly.
Personal opinion based on the data above. Your priorities may differ.

