Which charges faster, the BMW iX or the Mercedes-Benz EQE SUV?

The BMW iX xDrive45 carries a marginally higher DC peak power than the Mercedes-Benz EQE 320 4MATIC SUV, but the honest answer is that charging speed is not the differentiator here. Both cars run a 400V architecture, neither is an 800V outlier, and their fast-charging behaviour is broadly similar, so the iX's edge is small enough that you would struggle to notice it during a normal 10-80% road-trip stop. Treat fast charging as a near-wash both cars clear, and base your decision on range and cabin instead. Exact charging times for the United States are on this site's comparison tool.

Which has more range?

The BMW iX xDrive45, by a clear margin. It posts noticeably longer EPA range than the Mercedes-Benz EQE 320 4MATIC SUV, helped by a slightly larger usable battery and efficient packaging. This range advantage, rather than the slim charging-speed margin, is the iX's most concrete edge in this pairing. Both figures are EPA-rated, so the comparison is apples-to-apples, and both return less than the sticker in cold weather. Side-by-side realistic-range estimates are on this site's comparison tool.

Is the iX or the EQE SUV the better buy?

It depends on what you value, because these are close rivals rather than a clear winner and loser. Choose the BMW iX xDrive45 if you want the longer range and BMW's tech-forward, driver-focused character. Choose the Mercedes-Benz EQE 320 4MATIC SUV if the Mercedes cabin, ride comfort, and brand experience matter more and you can trade some range for them. Both are 400V NMC SUVs that charge in the same broad class, so neither charging speed nor battery care separates them. The decision comes down to range balance and which brand's take on a luxury SUV you prefer.

Which is cheaper to charge?

Charging cost depends mainly on battery capacity and the electricity rate you use, not on the brand. Because the BMW iX xDrive45 carries the slightly larger battery, a full charge from empty needs a little more total energy than the Mercedes-Benz EQE 320 4MATIC SUV, although the cost to charge the same span, say 20% to 80%, follows the percentage rather than the absolute battery size. Charging at home is far cheaper than public DC fast charging on either SUV. Exact side-by-side figures for the United States are on this site's comparison tool.

BMW iX vs Mercedes-Benz EQE SUV: EV Comparison in the United States

The BMW iX xDrive45 and the Mercedes-Benz EQE 320 4MATIC SUV are two German luxury electric SUVs (battery electric vehicle / BEV) that cross-shop directly in the United States. Both sit in the heart of the mid-luxury segment, both deliver a hushed, beautifully finished cabin, and both fast charge competently on a road trip. The honest starting point for this comparison is that charging speed is not really the differentiator here. Both cars run a 400V architecture, neither is an 800V outlier, and their DC fast-charging behaviour is broadly similar, with the iX holding only a marginal peak-power edge that you would struggle to notice in real use. The contrast that actually matters is the balance of range and character. The BMW iX posts the longer EPA range from a slightly larger battery, and brings BMW's tech-forward cabin and driving feel; the Mercedes EQE SUV answers with the Mercedes interior, ride comfort, and brand experience. Both use NMC batteries, so battery care is the same on either. This guide weighs the two qualitatively. The exact figures (cost, time, realistic range) are on this site's comparison tool and per-car pages.

By mht-dev, Frontend Engineer & Creator

A frontend engineer who bought a first electric car in March 2026 and built EV Charge Calculator while working out the real cost of charging it, writing every guide from an everyday new EV owner's perspective.

Two German luxury SUVs that charge much alike

The BMW iX xDrive45 and the Mercedes-Benz EQE 320 4MATIC SUV approach the mid-luxury electric SUV segment as close rivals rather than opposites. Both are pure BEVs, not hybrids, and both run a 400V electrical architecture rather than the 800V systems that show up on a handful of newer performance EVs. That shared 400V foundation matters for setting expectations, because it means their DC fast-charging is in the same broad class. Neither car is designed to be a charging-speed showpiece; both are tuned for comfort, refinement, and luxury-grade interiors, and both accept enough DC power to make road trips painless without rewriting your itinerary around charging stops.

Because both cars use NMC (nickel manganese cobalt) batteries, the long-term ownership routine is identical between them: charging routinely to roughly the mid-to-high range for daily use and saving a full 100% charge for trip days is the gentle habit on either SUV. With shared chemistry, battery care is not a tiebreaker. So rather than searching for a charging-speed winner where there barely is one, the useful way to read this pairing is to look at range, cabin, and the character of each brand, which is where the iX and the EQE SUV genuinely pull apart.

Charging speed: close enough to set aside

It is worth being direct about DC fast charging on these two, because it is easy to overstate. The BMW iX xDrive45 carries a marginally higher DC peak power than the Mercedes-Benz EQE 320 4MATIC SUV, but the gap is small. Both are moderate-speed 400V chargers, and in the real world, where charging stops mostly fill the 10-80% portion of the curve, the difference between them on a given session is not the kind of gap that would decide a purchase. If you were cross-shopping one of these against an 800V luxury car, you would feel a real charging difference, but between the iX and the EQE SUV the architectures and peak figures sit close together, so the plug experience is broadly similar.

What this means in practice is that you should not buy the iX for its charging speed, nor reject the EQE SUV for lacking it. Both will add a useful chunk of range during a normal road-trip break, both precondition and manage the battery sensibly, and both reach the same public DC fast chargers in the United States. Treat fast charging as a near-wash and a baseline both cars clear, then spend your attention on the things that actually separate them: how far each goes between stops, how the cabin feels, and which brand's approach to luxury you prefer. To see the precise charging times rather than a qualitative description, this site lets you load both cars into a side-by-side tool.

Range, battery, and cabin character

Range is where the BMW iX xDrive45 takes a clear and meaningful lead. It posts noticeably longer EPA range than the Mercedes-Benz EQE 320 4MATIC SUV, helped by a slightly larger usable battery and efficient packaging. For a buyer who drives longer distances or simply wants more buffer between charges, that range advantage is the iX's most concrete, decision-relevant edge, far more so than its slim charging-speed margin. Both ranges are quoted on the EPA cycle, so the comparison is apples-to-apples, and both SUVs return less than the sticker figure in cold weather with the heater working, as every BEV does.

Cabin and character are where the Mercedes EQE SUV makes its case. The Mercedes interior, with its materials, screen layout, and the brand's distinctive take on luxury, is the heart of the EQE SUV's appeal, alongside a ride tuned for comfort. The BMW iX answers with its own tech-forward cabin and the slightly more driver-focused feel BMW is known for, so the choice is partly about whether you prefer the Mercedes or the BMW interpretation of a luxury SUV. Neither is objectively better; it comes down to taste and brand loyalty. To judge realistic figures rather than headline numbers, this site presents discounted realistic-range estimates side by side with each car's cost per charge, computed automatically from the official specifications.

Which one suits you?

Pick the BMW iX xDrive45 if range balance is high on your list: it offers the longer EPA range from a slightly larger battery, which is its genuine, decision-relevant advantage, plus BMW's tech-forward cabin and driving character. The iX also holds a marginal DC-peak edge, but treat that as a footnote rather than a reason to choose it, because both cars charge much alike. Pick the Mercedes-Benz EQE 320 4MATIC SUV if the Mercedes cabin, ride comfort, and brand experience speak to you more strongly, and you are comfortable trading some range for that character, since the two are close on charging and the EQE SUV's case is built on interior and brand rather than on the spec sheet.

Because both use NMC batteries and both are 400V SUVs that charge in the same broad class, neither battery care nor charging speed is a real differentiator between them. The decision is range and character. To close it out with real numbers, this site provides a comparison tool prefilled with the BMW iX xDrive45 and the Mercedes-Benz EQE 320 4MATIC SUV side by side, a per-car page for each, and a charging cost calculator that works it out using your own electricity rate and battery percentage.

Frequently asked questions

Which charges faster, the BMW iX or the Mercedes-Benz EQE SUV?: The BMW iX xDrive45 carries a marginally higher DC peak power than the Mercedes-Benz EQE 320 4MATIC SUV, but the honest answer is that charging speed is not the differentiator here. Both cars run a 400V architecture, neither is an 800V outlier, and their fast-charging behaviour is broadly similar, so the iX's edge is small enough that you would struggle to notice it during a normal 10-80% road-trip stop. Treat fast charging as a near-wash both cars clear, and base your decision on range and cabin instead. Exact charging times for the United States are on this site's comparison tool.
Which has more range?: The BMW iX xDrive45, by a clear margin. It posts noticeably longer EPA range than the Mercedes-Benz EQE 320 4MATIC SUV, helped by a slightly larger usable battery and efficient packaging. This range advantage, rather than the slim charging-speed margin, is the iX's most concrete edge in this pairing. Both figures are EPA-rated, so the comparison is apples-to-apples, and both return less than the sticker in cold weather. Side-by-side realistic-range estimates are on this site's comparison tool.
Is the iX or the EQE SUV the better buy?: It depends on what you value, because these are close rivals rather than a clear winner and loser. Choose the BMW iX xDrive45 if you want the longer range and BMW's tech-forward, driver-focused character. Choose the Mercedes-Benz EQE 320 4MATIC SUV if the Mercedes cabin, ride comfort, and brand experience matter more and you can trade some range for them. Both are 400V NMC SUVs that charge in the same broad class, so neither charging speed nor battery care separates them. The decision comes down to range balance and which brand's take on a luxury SUV you prefer.
Which is cheaper to charge?: Charging cost depends mainly on battery capacity and the electricity rate you use, not on the brand. Because the BMW iX xDrive45 carries the slightly larger battery, a full charge from empty needs a little more total energy than the Mercedes-Benz EQE 320 4MATIC SUV, although the cost to charge the same span, say 20% to 80%, follows the percentage rather than the absolute battery size. Charging at home is far cheaper than public DC fast charging on either SUV. Exact side-by-side figures for the United States are on this site's comparison tool.