Testimonials
Real kiwis. Real results.
Over 12,000 vehicles tuned since 2020. Here's a taste of the feedback we get from private drivers and commercial operators across Aotearoa.
4.9 / 5
Average Google review
12,000+
Vehicles tuned
1,900+
5-star reviews
300+
Fleet operators
Private customers
"Pulls hills like a different truck. Fuel gauge drops noticeably slower on the daily to town. Money well spent."
"Feels absolutely alive on and off boost. Ava on the dyno was seriously professional — I saw every dyno pull."
"The Mk8 GTI woke up completely — pulls cleanly to redline and the DSG cracks off shifts. Zero drama, factory-smooth around town."
"Towing our 2.5t caravan up Lewis Pass used to be painful. After the Stage 1 tune we sit in 5th the whole way."
"Went from 240kW to 300+ at the wheels. Ran the whole afternoon at Hampton Downs with zero heat issues."
"The turbo lag basically vanished. Fuel usage down 1.6L/100km on the runs to Gisborne."
"Terrance quoted me straight, no upsell. The DSG tune combined with the map is *chef's kiss*."
"Way better throttle response and passing overtakes are actually safe now. Fuel light comes on 100km later."
"Wife noticed. That's the highest possible endorsement."
"Booked at the last minute — Hemi still had me sorted same day with a proper dyno print. Legends."
Commercial & fleet
"Rolling remaps across the fleet cut our monthly diesel bill by 11% inside the first quarter. Uptime hasn't shifted a minute — that was the real test for me as ops manager."
"Drivers are less fatigued because they're not fighting gears on the hills. Our on-time delivery rate climbed 4 points after the tune programme. Reporting from Smart Tuning is spot-on."
"Best decision we made this financial year. Torque under load is night and day, and we're saving roughly $340/week per truck on fuel. Terrance handled the whole rollout personally."
"Managing a mixed fleet is a headache — Smart Tuning tuned every unit on our schedule, no downtime lost. Fuel cards down $6,200/month across the fleet. Numbers don't lie."
"Fleet remap paid for itself in five weeks. Drivers love the low-end torque; workshop loves the fuel-burn dashboards."
"13% less diesel and machines feel stronger on dig cycles. Payback inside two months on our hours."
"Detailed before/after telematics — average 34.2 → 29.6 L/100km on the same routes. Signed off with Terrance directly."
"Milk tankers are heavy — the extra torque means fewer downshifts on the hills. Really tidy operation."
"Cultivation time down noticeably, and diesel drums last longer. Sione knew our machines better than we did."
"On-site tuning at 6am so nothing lost a shift. Every map documented and warrantied. Would use again in a heartbeat."
"Cycle times down 6%, fuel down about 11%. Best modification we've done this year."
"Passengers actually commented that the buses feel smoother. Efficiency numbers speak for themselves."
Featured customer stories
A selection of verified reviews we've published across our socials — real vehicles, real numbers, real kiwis.
