DecodedCarsMercedes-Benz G-Class vs Porsche Macan
2026 Mercedes-Benz G-Class vs 2026 Porsche Macan — two rivals compared on efficiency, size, safety and reliability.
The short version
The Porsche Macan is more fuel-efficient: 21 vs 18 MPG combined in its best version.
That works out to about $500 a year less in fuel for the Porsche Macan (EPA estimate, 15,000 miles).
The Porsche Macan is the bigger car, about 3 inches longer.
Across all model years since 2005, the Mercedes-Benz G-Class has had fewer recall campaigns (0 vs 15).
The two cars
The 2026 Mercedes-Benz G-Class is a standard SUV offered with 2 engines (3.0L 6-cyl turbo and 4.0L 8-cyl turbo), including a hybrid version and 4-wheel drive. It measures about 182 inches long and 76 inches wide on a 114-inch wheelbase, with a curb weight of roughly 5,479 lb (550 4dr SUV).
The 2026 Porsche Macan is a small SUV offered with 2 engines (2.0L 4-cyl turbo and 2.9L 6-cyl turbo) and rear-wheel drive and all-wheel drive. It measures about 185 inches long and 76 inches wide on a 111-inch wheelbase, with a curb weight of roughly 4,098 lb (4dr SUV AWD).
Buying used? The 2024 G-Class and the 2022 Macan have the fewest problems in our data; avoid the 2017 Macan.
| 2026 Mercedes-Benz G-Class | 2026 Porsche Macan | |
|---|---|---|
| Class | Standard Sport Utility Vehicle 4WD | Small Sport Utility Vehicle 2WD |
| Engines | 3.0L 6-cyl turbo, 4.0L 8-cyl turbo | 2.0L 4-cyl turbo, 2.9L 6-cyl turbo |
| Drivetrain | 4-Wheel Drive | Rear-Wheel Drive, All-Wheel Drive |
| NHTSA overall | Not rated | Not rated |
| Best combined MPG | 18 MPG | 21 MPG |
| City / highway MPG (best) | 17 city | 19 city |
| EV range | 239 mi | 332 mi |
| Fuel cost per year (EPA) | $1,200 | $700 |
| Length | 181.9 in | 185 in |
| Width | 76 in | 75.6 in |
| Height | 77.6 in | 63.8 in |
| Curb weight (lightest) | 5,479 lb | 4,098 lb |
| Recalls (2026) | 0 | 0 |
| Recalls, all years since 2005 | 0 | 15 |
| Owner complaints (latest year) | 0 | 0 |
| Wikipedia views, 30 days | 40,177 | 15,358 |
| Best used year | 2024 | 2022 |
| Year to avoid | – | 2017 |
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the Mercedes-Benz G-Class if…
- You want something easier to park (3 in shorter)
- You put reliability history first (0 vs 15 recalls since 2005)
Choose the Porsche Macan if…
- You want lower fuel bills (21 vs 18 MPG)
- You want an EV with more range (332 miles)
- You want more room (3 in longer)
Pros & cons of each
2026 Mercedes-Benz G-Class
- Hybrid version availableOffered as a hybrid and electric as well as gas.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
2026 Porsche Macan
- Long EV rangeUp to 332 miles on a charge (EPA).
- Electric version availableOffered as a electric as well as gas.
- AWD / 4WD available
- Below-average fuel economyBest version gets 21 MPG combined, 30% below the 2026 small SUV average of 30.2 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Full 2026 Mercedes-Benz G-Class specs →Full 2026 Porsche Macan specs →Compare fuel costs for your driving →Compare size & garage fit →