Audi Q4 e-tron vs Subaru Solterra: Specs Compared
Also searched as Subaru Solterra vs Audi Q4 e-tron specs — both orientations show this same side-by-side comparison.
The Subaru Solterra is the more efficient of the two: it reaches 120 mpg combined versus 115 mpg for the Audi Q4 e-tron, a 5 mpg advantage and costs about $0 less per year to fuel.
Across 3 measured categories, the Subaru Solterra leads in 3. Figures are EPA test data, not manufacturer claims.
2022–2026
Audi Q4 e-tron
Standard Sport Utility Vehicle 4WD · 16 configurations
2023–2027
Subaru Solterra
Small Sport Utility Vehicle 4WD · 10 configurations
Head-to-head specifications
| Metric | Audi Q4 e-tron | Subaru Solterra |
|---|---|---|
| Best combined MPG | 115 mpg | 120 mpg ✓ |
| Best city MPG | 125 mpg | 131 mpg ✓ |
| Best highway MPG | 104 mpg | 109 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $650 | $650 |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | Not available |
| Transmissions | Automatic (A1) | Automatic (A1) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | All-Wheel Drive |
| Fuel types | Electricity | Electricity |
| EPA class | Standard Sport Utility Vehicle 4WD | Small Sport Utility Vehicle 4WD |
| Years covered | 2022–2026 | 2023–2027 |
| Configurations on record | 16 | 10 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Audi Q4 e-tron vs Subaru Solterra dimensions and size
The Subaru Solterra is 3.9 inches longer than the Audi Q4 e-tron on a wheelbase 3.5 inches longer, and 507.1 lbs lighter. Both clear the roughly 200 inches of usable length in a standard single garage bay.
| Dimension | Audi Q4 e-tron (2026) | Subaru Solterra (2026) | Difference |
|---|---|---|---|
| Length | 180.7 in | 184.6 in | 3.9 in |
| Width (excl. mirrors) | 73.6 in | 73.2 in | 0.4 in |
| Height | 63.4 in | 65 in | 1.6 in |
| Wheelbase | 108.7 in | 112.2 in | 3.5 in |
| Curb weight | 4,872 lbs | 4,365 lbs | 507 lbs |
Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.
Audi Q4 e-tron vs Subaru Solterra: what the numbers mean
Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Audi Q4 e-tron burns about $650 of fuel annually against $650 for the Subaru Solterra. That $0 yearly gap compounds to roughly $0 over five years and $0 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.
City and highway economy: the Subaru Solterra leads in both cycles — 131 mpg city and 109 mpg highway against 125 and 104 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.
Drivetrain and class: the Audi Q4 e-tron is offered with All-Wheel Drive, Rear-Wheel Drive, the Subaru Solterra with All-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Standard Sport Utility Vehicle 4WD and Small Sport Utility Vehicle 4WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
Q4 e-tron vs Solterra: common questions
Which is better on gas, the Audi Q4 e-tron or the Subaru Solterra?
The Subaru Solterra is the more efficient of the two: it reaches 120 mpg combined versus 115 mpg for the Audi Q4 e-tron, a 5 mpg advantage and costs about $0 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Subaru Solterra runs about $650 a year in fuel at its most efficient configuration, versus about $650 for the Audi Q4 e-tron — a difference of roughly $0 per year.
What engines do the Q4 e-tron and Solterra offer?
Audi Q4 e-tron: no engine data on record. Subaru Solterra: no engine data on record.
Are they in the same vehicle class?
The EPA classifies the Audi Q4 e-tron as Standard Sport Utility Vehicle 4WD and the Subaru Solterra as Small Sport Utility Vehicle 4WD, so they aren't a like-for-like match on size.
More Q4 e-tron comparisons
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Comparison id: audi-q4-e-tron-vs-subaru-solterra