What are the differences between the Mercedes-Benz GLS400 and GLS450?

2 Answers
LaIsabelle
07/29/25 5:09pm
Here are the differences between the Mercedes-Benz GLS400 and GLS450: 1. Powertrain: The GLS400 is equipped with a 3.0T V6 turbocharged engine with a displacement of 2996cc, delivering a maximum power of 333 horsepower and a maximum torque of 480 Nm. In contrast, the GLS450 features a 3.0T V6 turbocharged engine with a displacement of 2996cc, producing a maximum power of 367 horsepower and a maximum torque of 500 Nm. 2. Exterior: The GLS400 has body dimensions of 5130mm × 1982mm × 1860mm with a wheelbase of 3075mm, while the GLS450 measures 5130mm × 1984mm × 1850mm with the same wheelbase of 3075mm.
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LaEliana
08/14/25 7:34am
I think the biggest difference between the Mercedes-Benz GLS400 and GLS450 lies in their engine performance. Having driven my friend's car several times, the GLS400 is equipped with a 3.0L V6 turbocharged engine delivering around 329 horsepower, which feels quite powerful with quick urban response but relatively higher fuel consumption. The GLS450, however, gets an upgrade with a 3.0L inline-six turbo engine paired with a 48V mild hybrid system, producing 362 horsepower. It also features EQ Boost technology that provides an additional 22 horsepower for instant bursts, resulting in smoother acceleration and about 10% better fuel efficiency. During the actual test drive, the hybrid system effectively recovers braking energy in congested areas, seamlessly intervening during starts and cruising for a smarter and more economical driving experience. The GLS450 also has better transmission tuning, working in harmony with the 4MATIC system for enhanced stability on slippery roads. Overall, if you prioritize new technology and eco-friendliness, the GLS450 is the way to go, while the GLS400 leans more towards traditional luxury.
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