Performance, power and 0-100 km/h
2025 Cadillac Optiq Luxury has the quicker recorded 0-100 km/h time at 5.8 seconds, compared with 6.2 seconds for 2025 Alfa Romeo Tonale PHEV Q4. 2025 Cadillac Optiq Luxury has the higher listed output at 300 hp; 2025 Alfa Romeo Tonale PHEV Q4 is rated at 280 hp, a difference of 20 hp. The torque figures follow 2025 Alfa Romeo Tonale PHEV Q4 at 520 Nm and 2025 Cadillac Optiq Luxury at 480 Nm. These figures describe straight-line potential only; they do not establish braking performance, ride quality, steering response or durability under repeated hard use.
Range, battery, charging and efficiency
2025 Cadillac Optiq Luxury carries the longer listed range at 482 km, against 69 km for 2025 Alfa Romeo Tonale PHEV Q4. 2025 Cadillac Optiq Luxury has the higher listed DC charging ceiling at 150 kW, compared with 32 kW. Test cycle, temperature, wheel size and charging conditions can materially affect these results, so only figures measured on the same basis should be treated as directly comparable.
Dimensions, cargo space and towing
2025 Cadillac Optiq Luxury provides the larger quoted cargo volume: 630 litres versus 422 litres, a difference of 208 litres. 2025 Cadillac Optiq Luxury carries the higher towing rating at 1,588 kg, while 2025 Alfa Romeo Tonale PHEV Q4 is listed at 1,200 kg. 2025 Cadillac Optiq Luxury is 294 mm longer overall. Exterior size is not a benefit by itself: a longer body may create useful room, but cargo shape, rear-seat space and ease of parking still require a physical inspection.
Price and overall assessment
2025 Alfa Romeo Tonale PHEV Q4 has the lower listed starting price at $43,500, compared with $54,990 for 2025 Cadillac Optiq Luxury. 2025 Cadillac Optiq Luxury leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. The assessment is based on the specifications shown here; it is not presented as a two-car road test.