Performance, power and 0-100 km/h
Both cars record the same 0-100 km/h time of 5.8 seconds. 2025 Acura TLX A-Spec SH-AWD has the higher listed output at 272 hp; 2025 Audi A6 45 TFSI quattro is rated at 265 hp, a difference of 7 hp. The torque figures follow 2025 Acura TLX A-Spec SH-AWD at 380 Nm and 2025 Audi A6 45 TFSI quattro at 370 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
Range and energy-use figures are either not shared by both cars or not directly comparable across these powertrain types.
Dimensions, cargo space and towing
2025 Audi A6 45 TFSI quattro provides the larger quoted cargo volume: 530 litres versus 383 litres, a difference of 147 litres. 2025 Acura TLX A-Spec SH-AWD is 4 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 Acura TLX A-Spec SH-AWD has the lower listed starting price at $47,950, compared with $57,500 for 2025 Audi A6 45 TFSI quattro. 2025 Acura TLX A-Spec SH-AWD 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.