2025 Lexus IS 500 vs 2025 BMW M340i: Why Lexus Comes Out Ahead
When you intend on going car shopping, you might spot two tempting sedans: the 2025 Lexus IS 500 and the 2025 BMW M340i. Both aim to excite. But when you dig into details, the Lexus often wins your favour. Let’s compare.
Power & Performance: Heart Under the Hood
The IS 500 has a naturally aspirated 5.0-litre V8 paired with an eight-speed automatic. It’s rear-wheel drive and produces 472 hp and 394 lb-ft of torque. It can sprint from 0 to 100 km/h in about 4.6 seconds. In contrast, the BMW M340i uses a 3.0-litre turbocharged inline-six plus a mild hybrid system. Total output is about 386 hp and 369 lb-ft. Thus, the IS 500 brings more raw power. The BMW, while quick, loses in straight-line muscle. However, be aware: the BMW offers all-wheel drive (xDrive) as standard or option, which can help in snow or wet roads around Brampton. Meanwhile, the IS 500’s rear-drive setup demands more from the driver in slippery conditions.
Fuel Use & Efficiency
The IS 500 is thirsty: city ≈ 14.1 L/100 km, highway ≈ 9.3 L/100 km, combined ≈ 11.9 L/100 km (V8). The BMW M340i fares better: in a Canadian listing, it shows 9.0 L/100 km city and 7.1 L/100 km highway. So everyday driving costs are likely lower in the BMW. But if you love the sound, feel, and character of a V8, that difference might not matter.
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Looks & Interior Feel
Inside the IS 500, Lexus gives you heated and ventilated front seats (in NuLuxe upholstery as standard), a heated steering wheel, and dual-zone climate control in all trims. The 10.3-inch infotainment screen is standard on the IS 350 and IS 500; the IS 500 can even be fitted with a 17-speaker Mark Levinson system. BMW’s cabin is modern, with good materials and strong tech. It offers a combined 12.3-inch gauge display and 14.9-inch infotainment panel, wireless Apple CarPlay/Android Auto, and a snappy iDrive 8.5 system. Where Lexus has an advantage is in consistency: many of its “premium” features are standard. With BMW, some desirable features come only as options, meaning extra cost.
Design & Presence
On the road, the IS 500 will turn heads with its more aggressive styling and its V8 note. It’s a bit longer in length (4,758 mm vs 4,710 mm for the V6 versions) and has a wider, more assertive look. BMW’s styling is restrained yet sporty. The M340i has subtle touches that hint at its performance roots, but it is less overt than the Lexus in its aggressiveness.
Tech & Connectivity
Both cars are strong here. Lexus includes Lexus Safety System+ 2.5 standard on all IS models, which brings dynamic radar cruise control, lane departure alert with steering assist, pre-collision monitoring (including for pedestrians and cyclists), blind spot monitor, rear cross traffic alert, 10 airbags, and more. BMW does offer a robust suite of driver assistance and connected features too (e.g. augmented reality navigation, optional head-up display). But some of these are optional, not standard.
Safety & Peace of Mind
Lexus’ standard safety gear gives you confidence without needing to pay extra. Also, Lexus has a strong reputation for reliability. The IS is rated 4 out of 5 in predicted reliability and strong in owner satisfaction. BMW is competent and well engineered. But with more features optional, there's more that can go wrong or need servicing later.
Which Works Better Around Brampton?
Brampton sees cold winters, occasional snow, and wet roads in spring and fall. The BMW’s available all-wheel drive helps in winter. But if you choose the IS 500, adding good winter tires will be essential. For highway runs, or weekend drives across the countryside, the IS 500 rewards with power and drama. The BMW will save you fuel cost and give safer traction in slippery conditions.
Come visit Northwest Lexus in Brampton, ON and test drive the 2025 IS 500 yourself. Feel the engine, compare it side-by-side, and see how it handles local roads, highways, and even winter conditions. Our team can show you every detail.