DecodedCarsBMW 5 Series vs Porsche Taycan
2026 BMW 5 Series vs 2026 Porsche Taycan — two rivals 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 BMW 5 Series is the bigger car, about 4 inches longer.
Across all model years since 2005, the BMW 5 Series has had fewer recall campaigns (9 vs 28).
The two cars
The 2026 BMW 5 Series is a midsize 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 199 inches long and 75 inches wide on a 118-inch wheelbase, with a curb weight of roughly 4,158 lb (5-Series 530i 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 5 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 5 Series if…
- You want more room (4 in longer)
- You put reliability history first (9 vs 28 recalls since 2005)
Choose the Porsche Taycan if…
- You want an EV with more range (315 miles)
- You want something easier to park (4 in shorter)
Pros & cons of each
2026 BMW 5 Series
- Hybrid version availableOffered as a hybrid and plug-in 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 5 Series specs →Full 2026 Porsche Taycan specs →Compare fuel costs for your driving →Compare size & garage fit →