Under the hood, the 2025 Audi Q5 gets a maximum horsepower of 268 from its engine. The 2025 Alfa Romeo Tonale PHEV, though, gets a maximum horsepower of 285. If you’re looking for the strongest engine, the 2025 Alfa Romeo Tonale PHEV is therefore the best choice, given its engine pushes things farther faster with its horsepower capability.

The 2025 Audi Q5 has a combined fuel efficiency rating of 9.9 L/100 km. When compared to the much lower combined fuel efficiency rating of the 2025 Alfa Romeo Tonale PHEV that uses only 8.1 L/100 km, the more fuel-efficient choice is also clear. Add on the fact that the 2025 Alfa Romeo Tonale PHEV can go for 53 kilometres on electricity alone, and those that take fuel efficiency into consideration have an easy choice to make.

Those who are looking for a luxury SUV but want the one with the strongest engine and the most fuel efficiency should choose the 2025 Alfa Romeo Tonale PHEV, with its 285 horsepower and combined 8.1 L/100 km for a fuel efficiency rating.