What the BMW iX5 REX Means for Long-Haul Drivers
The BMW iX5 REX isn't your average electric SUV. It packs a range extender that kicks in a small gasoline engine to generate power, stretching total range to around 1,000 kilometers on a full charge and tank. For road trippers like me, this hybrid setup turns cross-country drives into stress-free adventures without constant charger hunts.
I've chased sunsets from Berlin to Barcelona in various EVs. But the iX5 REX's tech promises fewer pit stops, letting you cover 800 km on battery alone before the extender adds another 200 km. That's a full day of driving without range anxiety gripping the wheel.
Breaking Down the Range Extender Tech
At its core, the iX5 REX uses a 400-volt battery good for 500-600 km in ideal conditions. The range extender—a compact 2.0-liter engine—doesn't drive the wheels directly; it just recharges the battery on the go. This keeps emissions low while delivering that 1,000 km total, hitting 0-100 km/h in under 6 seconds.
Real-world tests show it handles highways at 130 km/h with efficiency around 20 kWh/100 km on electric mode. Switch to the extender, and fuel use drops to 0.5 liters per 100 km since it's not propelling the vehicle. BMW's aiming for production by 2025, so expect it in showrooms soon.
Don't overlook the 105 kWh battery capacity. It supports fast charging up to 200 kW, adding 200 km in 15 minutes at compatible stations.
How This Changes Road Trip Planning Across Europe
Imagine plotting a route from Munich to Rome—about 850 km. With the iX5 REX, you'd charge once in the Alps and let the extender handle the rest. No more dodging dead zones in rural Italy where chargers are scarcer than honest parking spots.
Europe's EV infrastructure grew 47.3% in 2025, but gaps persist in places like the Balkans. The REX bridges them, making spontaneous detours viable. I once rerouted through the Dolomites on a whim; a pure EV would've forced a 2-hour charge detour.
For families, the iX5's 500-liter boot swallows luggage for four, plus its all-wheel drive grips snowy passes at 1,500 meters elevation.
Renting the iX5 REX: Where and What It'll Cost You
Sixt already offers prototype iX5 rentals at select German airports for EUR 250 per day. Hertz plans to stock them in the UK by late 2026, bundling with unlimited mileage for cross-border jaunts. Enterprise might follow in the US, targeting California routes where range matters most.
Expect base rates around EUR 180/day in 2026, dropping to EUR 120 with weekly deals. Add EUR 25 for the range extender option—it's not standard yet. Compare via EV Rental Comparison in Europe to snag deals under EUR 1,000 for a 7-day trip.
Insurance twists: Full coverage runs EUR 30 extra daily, covering the EUR 80,000 vehicle value. I've skipped it once and regretted a EUR 500 scratch claim—always opt in for peace of mind.
Actionable Tips to Prep for Extended-Range EV Rentals
Check your route's charger density first. Use apps like PlugShare to map stations within 300 km intervals; the iX5 REX forgives gaps up to 200 km on extender. Book rentals 4-6 weeks ahead for 20-30% savings over last-minute grabs.
- Pack a Level 2 charger cable—hotels often provide outlets, adding 50 km overnight without public stops.
- Test tire pressure before departure; underinflated ones cut range by 10%, based on my 1,200 km Iceland loop where I lost 80 km to low PSI.
- Enable eco mode immediately—it boosts efficiency by 15% on highways, per BMW's data.
Download offline maps. Signal drops in mountains, and you don't want to burn extender fuel circling for a charger.
Challenges and Realities of the 1,000 km Dream
The extender adds 150 kg to the curb weight, slightly hiking consumption on steep climbs. At 25 degrees Celsius, real range hits 950 km; winter drops it to 800 km with cabin heat running. BMW's addressing this with better thermal management in updates.
Noise from the engine is minimal—under 60 dB at cruise—but purists might miss silent EV purity. Cost-wise, it's pricier than a Tesla Model Y by EUR 15,000 upfront, though rentals even it out.
Here's my honest admission: I rented a similar range-extended Mini in Sweden last winter and got stuck in a blizzard with the extender's tank at half. It saved me, but I learned to carry an extra 5-liter fuel can—always.
Why I'm Betting on Range Extenders for Future Trips
I always pick vehicles with backup power for multi-day drives because spontaneity trumps schedules. The iX5 REX fits that—its 1,000 km lets me skip rigid planning, unlike pure EVs that chain you to plugs every 300 km.
Range anxiety fades here, opening up off-grid spots like Scotland's Highlands. I've logged 15,000 km in rentals yearly; extenders cut my stress by half, making travel feel freer. But I won't ditch full EVs entirely—they're cleaner for city hops.
By 2030, expect 60% of premium rentals to feature this tech, per industry forecasts. It'll redefine how we chase horizons without the fuel guzzler's guilt.
Scan GetRentacar.com today for iX5 REX pre-booking alerts in your region—lock in rates before they climb 25% post-launch.
