BMW 5 Series vs Mercedes-Benz E-Class
2026 BMW 5 Series vs 2026 Mercedes-Benz E-Class — two midsize cars compared on efficiency, size, safety and reliability.
The short version
The BMW 5 Series is more fuel-efficient: 31 vs 28 MPG combined in its best version.
That works out to about $300 a year less in fuel for the BMW 5 Series (EPA estimate, 15,000 miles).
The BMW 5 Series is the bigger car, about 4 inches longer.
Across all model years since 2005, the Mercedes-Benz E-Class has had fewer recall campaigns (0 vs 9).
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 Mercedes-Benz E-Class 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 195 inches long and 75 inches wide on a 117-inch wheelbase, with a curb weight of roughly 5,269 lb (Amg 4dr Sedan).
Buying used? The 2024 5 Series and the 2024 E-Class have the fewest problems in our data.
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 lower fuel bills (31 vs 28 MPG)
- You want more room (4 in longer)
Choose the Mercedes-Benz E-Class if…
- You want something easier to park (4 in shorter)
- You put reliability history first (0 vs 9 recalls since 2005)
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 Mercedes-Benz E-Class
- 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.
Full 2026 BMW 5 Series specs →Full 2026 Mercedes-Benz E-Class specs →Compare fuel costs for your driving →Compare size & garage fit →

