Comparison
Audi A6 e-tron vs BMW i4
Premium vs eDrive40 Gran Coupe (18 inch wheels): range, price, charging, running costs and road-trip stops.
Best range Audi A6 e-tron 348 mi vs 333 mi
Best value BMW i4 $57,900 vs $66,700
Faster charging Audi A6 e-tron 21 min vs 30 min
5-yr energy BMW i4 $4,700 vs $4,400
Winner by category
6 categories comparedRange winner
Audi A6 e-tron
348 mi vs 333 mi
Value winner
BMW i4
$174/mi vs $192/mi
Charging winner
Audi A6 e-tron
21 min vs 30 min
Efficiency winner
BMW i4
285 Wh/mi vs 303 Wh/mi
Utility/family winner
Audi A6 e-tron
Ahead on seats, cargo, and tow capacity
Performance winner
Audi A6 e-tron
5.3 s vs 5.5 s
Side-by-side comparison
Featured trims| Spec | Audi A6 e-tron | BMW i4 |
|---|---|---|
| Trim used | Premium | eDrive40 Gran Coupe (18 inch wheels) |
| MSRP (USD) | $66,700 | $57,900 (better) |
| Range | 348 mi (better) | 333 mi |
| Efficiency | 303 Wh/mi • 3.3 mi/kWh | 285 Wh/mi • 3.51 mi/kWh (better) |
| Battery (usable) | 94.9 kWh (better) | 80.7 kWh |
| Seats | 5 | 5 |
| Drivetrain | RWD | RWD |
| Body type | Sedan | Sedan |
| DC max | 270 kW (better) | 205 kW |
| AC max | 11 kW | 11 kW |
| 10–80% (DC) | 21 min (better) | 30 min |
| Roadtrip score | 89.1 (better) | 81.3 |
| Miles added (15 min est.) | 157 mi (better) | 99 mi |
| USD per mile of range | 192 $/mi | 174 $/mi (better) |
| 0–60 mph | 5.3 s (better) | 5.5 s |
| Top speed | 131 mph (better) | 118 mph |
| Cargo | 18 cu ft (better) | 17 cu ft |
| Tow rating | 4,630 lb (better) | 3,527 lb |
Pick the Audi A6 e-tron if…
- You fast-charge often: 10-80% in 21 vs 30 minutes.
- You tow: rated for 4,630 lb vs 3,527 lb.
Pick the BMW i4 if…
- You want the lower price: $57,900 vs $66,700 to start, $8,800 less.
Availability: 2026 is the final model year for the BMW i4.
5-year energy cost: Audi A6 e-tron vs BMW i4
| Charging mix | Audi A6 e-tron | BMW i4 |
|---|---|---|
| Efficiency | 303 Wh/mi | 285 Wh/mi |
| All home charging | $3,450 | $3,250 |
| 80% home, 20% public DC | $4,700 | $4,400 |
| All public DC fast charging | $9,700 | $9,100 |
60,000 miles (12,000 a year) at rated efficiency, $0.17/kWh at home, $0.48/kWh at public fast chargers, plus 10% charging loss. A 30 mpg gas car at $3.20/gal would spend about $6,400 on fuel over the same miles. Use your own rates.
500-mile road trip: charging stops
| Audi A6 e-tron | BMW i4 | |
|---|---|---|
| First leg (90% to 10%) | 237 mi | 226 mi |
| Each leg after a 10-80% stop | 207 mi | 198 mi |
| Fast-charge stops | 2 | 2 |
| Time spent charging | about 40 min | about 60 min |
| DC port | CCS1 | CCS1 |
Highway range taken as 85% of rated range. Each stop is counted as a full 10-80% session at the listed time, so the last stop is often shorter in practice. Cold weather and high speeds add stops. Charging time calculator.
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