Comparison tool
Two vehicles, one set of assumptions
Pick up to four exact EPA configurations. All get the same mileage, driving mix, and energy prices — so the difference you see is the vehicles, not the assumptions. Gasoline and electricity are always priced separately; MPGe is never treated as MPG.
Vehicle A
or pick step by step
Selected: 2026 Tesla Model 3 Premium AWD · electric motor (88 and 208 kW AC Induction) · AWD · details
Vehicle B
or pick step by step
Selected: 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) · electric motor (250 kW EESM) · RWD · details
Shared assumptions — applied to both vehicles
mi/year
Driving mix55% city / 45% highway
$/kWh
At these assumptions, the 2026 Tesla Model 3 Premium AWD costs $3.96 less per month ($47/year, $235 over five years) than the 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels). This is the measured energy-cost difference only — not a statement that either vehicle is better.
2026 Tesla Model 3 Premium AWD2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)
Per month
Per year
5 years
| Measure | 2026 Tesla Model 3 Premium AWD | 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) | Difference (A − B) |
|---|---|---|---|
| Cost per month | $48.64 | $52.60 | -$3.96 |
| Cost per year | $584 | $631 | -$47 |
| Cost over 5 years | $2,920 | $3,155 | -$235 |
| Cost per mile | 4.9¢/mi | 5.3¢/mi | -0.4¢ |
| Annual energy used | 3,165 kWh | 3,423 kWh | different units listed separately |
| EPA efficiency | 26.4 kWh/100 mi | 28.5 kWh/100 mi | — |
2026 Tesla Model 3 Premium AWD: EPA electricity consumption is measured from the wall outlet, so typical home AC charging losses are already included. Public DC fast-charging prices, extreme temperatures, and driving style can change real-world cost.
2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels): EPA electricity consumption is measured from the wall outlet, so typical home AC charging losses are already included. Public DC fast-charging prices, extreme temperatures, and driving style can change real-world cost.