Audi Q3 vs Mercedes-Benz GLB (2026)
Price gap, MSRP + destination
$145
- Q3: 34 hp more, 1.4 s quicker to 60.
- GLB: 3 mpg better, 12.0 cu ft more cargo.
- Each wins 4 of 10 measures.
- Price: about the same.
| Measure | Q3 | GLB | Winner |
|---|---|---|---|
| MSRP + destination | $44,995 | $44,850 | About the same |
| Horsepower | 255 hp | 221 hp | Q3 |
| Torque | 273 lb-ft | 258 lb-ft | Q3 |
| MPG combined | 25 mpg | 28 mpg | GLB |
| Cargo, max | 50.0 cu ft | 62.0 cu ft | GLB |
| Cargo, seats up | 29.0 cu ft | 22.0 cu ft | Q3 |
| Rear legroom | 36.1 in | 38.1 in | GLB |
| Front legroom | 40.0 in | 41.1 in | GLB |
| Length | 178.4 in | 182.4 in | Not scored |
| Width | 73.2 in | 72.0 in | Not scored |
| Curb weight | 3,935 lb | N/A | N/A |
| Towing | 1,500 lb | N/A | N/A |
| Seats | 5 | 5 to 7 | N/A |
| 0-60 mph | 5.5 s tested | 6.9 s tested | Q3 |
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi | About the same |
Not scored: length, width, curb weight. N/A rows are not counted.
Nearest trims by price
| Trim | Nearest in price | Gap |
|---|---|---|
| Q3 S line AWD $43,700 | GLB 250 FWD $43,800 | $100 |
| GLB 250 FWD $43,800 | Q3 S line AWD $43,700 | $100 |
Cost to run
GLB costs $1,132 less over 6 years.
12,000 miles a year. Gas $3.20. Electricity 17 cents per kWh.
| Cost | Q3 | GLB |
|---|---|---|
| MSRP + destination | $44,995 | $44,850 |
| Fuel or charging, 1 year | $1,536 | $1,371 |
| Fuel or charging, 6 years | $9,216 | $8,229 |
| Total, 6 years | $54,211 | $53,079 |
Which is better for me?
Weight each group from 0 to 10. MPG uses fuel or charging cost.
Equal weights: GLB wins.
Q3 wins if Space weight is 0 or less.
| Group | Ahead | By |
|---|---|---|
| Price | About the same | |
| MPG | GLB | 11% |
| Power | Q3 | 13% |
| Space | GLB | 19% |
| Towing | N/A |
Other years
What this cannot tell you
Your price and mpg will differ.
Reliability and safety are not included.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree