Stealthy Audi A4 Avant Black Arrow by AVUS Performance

Continuing its love affair with blacked-out Audis, German tuning boutique Avus Performance swiped the covers off its latest pumped up model, the A4 Avant Black Arrow. The car displayed here is equipped with a 2.7-liter turbo diesel engine that has been enhanced with a Stage 1 ECU upgrade boosting output from 190bhp and 295 lb/ft of torque to 230bhp and 358 lb/ft.

And if you don't own the 2.7 TDI model, no need to worry as the tuning firm said that it offers performance upgrades for the 2.0 TDI and 3.0 TDI diesel engines as well.

Besides the blacked out exterior and the engine massage, the Black Arrow package for the A4 Avant also includes massive 21-inch alloy wheels in a glossy black finish and a lowering suspension kit.

AVUS Performance Launches 450HP Audi TT RS "Ur Quattro"

Named after the legendary, original Audi Quattro coupe of the late 1980s, AVUS Performance's take on the new TT RS Coupe sees the car's 2.5-liter turbocharged inline-five receive a 110 horsepower and 140 lb-ft of torque bump thanks to the modified turbo, reprogrammed ECU and a new exhaust system. This brings the five-cylinder engine's output to a total of 450HP and 472 lb-ft. Avus did not disclose prices for the engine mods.

The German tuners says that acceleration from zero to 60 mph (96km/h) is trimmed from Audi's 4.6-second claim for the stock TT RS to 3.8 seconds on the TT RS "Ur Quattro" while top speed is increased from 174mph (280km/h) to 194mph (312 km/h).

Avus also modified the coupe's suspension with adjustable coil-over shocks (priced at €1,299) that lower the ride height and help the RS handle the corners.

The TT-RS' exterior has been upgraded with a flat-black finish (vinyl wrap) that costs €1,999 and a set of 20-inch Sportec Mono alloy wheels in a glossy black finish shod in 255/30/20 Hankook S1 Evo tires priced at €6,400 but only until December 15, as Avus currently offers a 25 per cent discount on the tire/alloy combos.

Buyers can also opt for a pair of Recaro bucket seats and various accessories for the interior.