Comparison
BMW i4 vs Cadillac Optiq
eDrive40 Gran Coupe (18 inch wheels) vs Standard: range, price, charging, running costs and road-trip stops.
Best range BMW i4 333 mi vs 317 mi
Best value Cadillac Optiq $49,995 vs $57,900
Faster charging BMW i4 30 min vs 40 min
5-yr energy BMW i4 $4,400 vs $4,950
Winner by category
6 categories comparedRange winner
BMW i4
333 mi vs 317 mi
Value winner
Cadillac Optiq
$158/mi vs $174/mi
Charging winner
BMW i4
30 min vs 40 min
Efficiency winner
BMW i4
285 Wh/mi vs 321 Wh/mi
Utility/family winner
BMW i4
Ahead on seats, cargo, and tow capacity
Performance winner
BMW i4
5.5 s vs 5.7 s
Side-by-side comparison
Featured trims| Spec | BMW i4 | Cadillac Optiq |
|---|---|---|
| Trim used | eDrive40 Gran Coupe (18 inch wheels) | Standard |
| MSRP (USD) | $57,900 | $49,995 (better) |
| Range | 333 mi (better) | 317 mi |
| Efficiency | 285 Wh/mi • 3.51 mi/kWh (better) | 321 Wh/mi • 3.12 mi/kWh |
| Battery (usable) | 80.7 kWh | 90 kWh (better) |
| Seats | 5 | 5 |
| Drivetrain | RWD | RWD |
| Body type | Sedan | SUV |
| DC max | 205 kW (better) | 150 kW |
| AC max | 11 kW | 12 kW (better) |
| 10–80% (DC) | 30 min (better) | 40 min |
| Roadtrip score | 81.3 (better) | 64.1 |
| Miles added (15 min est.) | 99 mi (better) | 74 mi |
| USD per mile of range | 174 $/mi | 158 $/mi (better) |
| 0–60 mph | 5.5 s (better) | 5.7 s |
| Top speed | 118 mph | 131 mph (better) |
| Cargo | 17 cu ft | 26 cu ft (better) |
| Tow rating | 3,527 lb (better) | 1,499 lb |
Pick the BMW i4 if…
- You fast-charge often: 10-80% in 30 vs 40 minutes.
- You want lower running costs: about $4,400 vs $4,950 in energy over 5 years.
- You tow: rated for 3,527 lb vs 1,499 lb.
Pick the Cadillac Optiq if…
- You want the lower price: $49,995 vs $57,900 to start, $7,905 less.
- You haul gear: 26 vs 17 cu ft of listed cargo space.
Availability: 2026 is the final model year for the BMW i4.
5-year energy cost: BMW i4 vs Cadillac Optiq
| Charging mix | BMW i4 | Cadillac Optiq |
|---|---|---|
| Efficiency | 285 Wh/mi | 321 Wh/mi |
| All home charging | $3,250 | $3,650 |
| 80% home, 20% public DC | $4,400 | $4,950 |
| All public DC fast charging | $9,100 | $10,250 |
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
| BMW i4 | Cadillac Optiq | |
|---|---|---|
| First leg (90% to 10%) | 226 mi | 216 mi |
| Each leg after a 10-80% stop | 198 mi | 189 mi |
| Fast-charge stops | 2 | 2 |
| Time spent charging | about 60 min | about 80 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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