Is the Solterra more efficient than a Tesla Model Y?
No, the 2025 Subaru Solterra trails the Tesla Model Y in efficiency. The Model Y delivers 117 to 129 MPGe. The Solterra hits 108 to 113 MPGe. This gap means Tesla drivers use less energy per mile.
Here's what you need to know:
- EPA Efficiency Ratings (2025 models): | Vehicle | City MPGe | Highway MPGe | Combined MPGe | |---|---|---|---| | 2025 Subaru Solterra | 108 | 113 | 110 | | Tesla Model Y (RWD) | 123 | 112 | 117 | | Tesla Model Y (AWD) | 122 | 116 | 129 |
According to the EPA's 2025 ratings, the Model Y wins on range too. It travels up to 320 miles per charge. The Solterra maxes at 222 miles (Source: EPA Fuel Economy Guide, 2025).
Real-World Costs in 84101
In Salt Lake City (zip 84101), electricity rates average $0.12 per kWh. This favors EVs. Model Y owners spend about $550 yearly on charging for 15,000 miles. Solterra owners pay $620. That's a $70 annual edge for Tesla (based on Sidekick data from 1,200 Utah EV owners, 2026 Q1).
"The Model Y's superior efficiency cuts energy costs by 11% over the Solterra in home charging scenarios," says the Sidekick Research Team, based on analysis of 892 verified records.
Fuel makes up 15% of total ownership costs. Average new EV ownership runs $10,682 per year for 15,000 miles. Efficient models like the Model Y lower this further (Source: AAA Your Driving Costs Study, 2026).
Why Tesla Wins Efficiency
Tesla optimizes battery tech and aerodynamics. The Model Y's heat pump boosts cold-weather range by 10%. Subaru's Solterra shares Toyota tech but lags in software updates. Real owners report Model Y at 110-120 MPGe in mixed driving. Solterra averages 100-105 MPGe.
Tips to Maximize Efficiency
- Charge at home overnight to use off-peak rates.
- Keep tires at 35-40 PSI for 5% better range.
- Use eco drive mode and limit AC to full power.
- precondition the battery while plugged in.
Track your costs with Sidekick. It pulls real Utah rates and your driving data to show exact savings.
Switch to Model Y? Expect 10-15% lower energy bills. Solterra suits AWD needs in snow but costs more to run long-term.