DecodedCarsBMW 3 Series vs Porsche Taycan
2026 BMW 3 Series vs 2026 Porsche Taycan — two compact cars compared on efficiency, size, safety and reliability.
The short version
That works out to about $1,850 a year less in fuel for the Porsche Taycan (EPA estimate, 15,000 miles).
The Porsche Taycan is the bigger car, about 10 inches longer.
Across all model years since 2005, the BMW 3 Series has had fewer recall campaigns (4 vs 28).
The two cars
The 2026 BMW 3 Series is a compact car offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and rear-wheel drive and all-wheel drive. It measures about 185 inches long and 72 inches wide on a 112-inch wheelbase, with a curb weight of roughly 3,494 lb (3-Series 330i Xdrive 4dr Sedan).
The 2026 Porsche Taycan is a compact car powered by electricity and all-wheel drive and rear-wheel drive. It measures about 195 inches long and 78 inches wide on a 114-inch wheelbase, with a curb weight of roughly 4,718 lb (4 / 4s 4dr Sedan).
Buying used? The 2024 3 Series and the 2024 Taycan have the fewest problems in our data; avoid the 2021 Taycan.
Basics
Efficiency
Performance & space
Safety & reliability
Interest
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the BMW 3 Series if…
- You want something easier to park (10 in shorter)
- You put reliability history first (4 vs 28 recalls since 2005)
Choose the Porsche Taycan if…
- You want an EV with more range (315 miles)
- You want more room (10 in longer)
Pros & cons of each
2026 BMW 3 Series
- Hybrid version availableOffered as a hybrid as well as gas.
- AWD / 4WD available
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
2026 Porsche Taycan
- Long EV rangeUp to 315 miles on a charge (EPA).
- AWD / 4WD available
Full 2026 BMW 3 Series specs →Full 2026 Porsche Taycan specs →Compare fuel costs for your driving →Compare size & garage fit →