Opel Astra ECU Remapping & Engine Tuning
We have remap figures for 44 Opel Astra engines across four generations. Petrol engines gain +2% to +34% power and diesels +11% to +36%. The largest bhp increase is on the Astra K 1.4 Turbo: 123 to 165 bhp (+42 bhp, +34%). One more engine is in development. Book your Astra in at our Burnley workshop on 01282 779 000, or find a local dealer.
Speak to an ECU Remapping Expert
Contact Us14 Day ECU Remapping Money Back Guarantee!
WarrantyGot a Question about ECU Remapping & Tuning?
View FAQs| Generation | Years | Engines | Power gain | Largest gain |
|---|---|---|---|---|
| Astra G | 1999–2004 | 10 | +2% to +32% | +32 bhp (+32%) 2.0 Dti |
| Astra H | 2004–2009 | 16 | +4% to +36% | +41 bhp (+20%) 2.0 T |
| Astra J | 2009–2015 | 14 | +5% to +25% | +34 bhp (+20%) 2.0 Cdti |
| Astra K | 2015–present | 5 | +16% to +34% | +42 bhp (+34%) 1.4 Turbo |
| Opel Astra G | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.4 90 BHP 1999-2004 | 90 | 95 (+5%) | 130 | 136 (+4%) |
| 1.6 100 BHP 1999-2004 | 100 | 108 (+8%) | 110 | 120 (+9%) |
| 1.7 Cdti 79 BHP 1999-2004 | 79 | 99 (+25%) | 165 | 211 (+27%) |
| 1.7 Dti 74 BHP 1999-2004 | 74 | 92 (+24%) | 165 | 209 (+26%) |
| 1.7 TD 67 BHP 1999-2004 | 67 | 81 (+20%) | 130 | 172 (+32%) |
| 1.8 113 BHP 1999-2004 | 113 | 116 (+2%) | 170 | 175 (+2%) |
| 1.8 123 BHP 1999-2004 | 123 | 133 (+8%) | 170 | 192 (+12%) |
| 2.0 Di 16v 82 BHP 1999-2004 | 82 | 107 (+30%) | 185 | 235 (+27%) |
| 2.0 Dti 100 BHP 1999-2004 | 100 | 132 (+32%) | 230 | 276 (+20%) |
| 2.0 Turbo 187 BHP 1999-2004 | 187 | 213 (+13%) | 250 | 282 (+12%) |
| Opel Astra H | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.3 CDTi 90 BHP 2004-2009 | 90 | 116 (+28%) | 200 | 255 (+27%) |
| 1.4 89 BHP 2004-2009 | 89 | 95 (+6%) | 130 | 142 (+9%) |
| 1.6 110 BHP 2004-2009 | 110 | 122 (+10%) | 150 | 164 (+9%) |
| 1.6 113 BHP 2004-2009 | 113 | 119 (+5%) | 114 | 124 (+8%) |
| 1.6 Turbo 177 BHP 2004-2009 | 177 | 209 (+18%) | 230 | 291 (+26%) |
| 1.7 Cdti 100 BHP 2004-2009 | 100 | 133 (+33%) | 240 | 285 (+18%) |
| 1.7 Cdti 109 BHP 2004-2009 | 109 | 149 (+36%) | 260 | 322 (+23%) |
| 1.7 Cdti 123 BHP 2004-2009 | 123 | 147 (+19%) | 280 | 327 (+16%) |
| 1.8 138 BHP 2004-2009 | 138 | 146 (+5%) | 175 | 187 (+6%) |
| 1.8 125 BHP 2004-2009 | 125 | 131 (+4%) | 150 | 160 (+6%) |
| 1.9 CDTI 150 BHP 2004-2009 | 150 | 179 (+19%) | 320 | 370 (+15%) |
| 1.9 Cdti 100 BHP 2004-2009 | 100 | 125 (+25%) | 260 | 310 (+19%) |
| 1.9 CDTI 120 BHP 2004-2009 | 120 | 150 (+25%) | 280 | 330 (+17%) |
| 2.0T 170 BHP 2004-2009 | 170 | 205 (+20%) | 250 | 320 (+28%) |
| 2.0 T 200 BHP 2004-2009 | 200 | 241 (+20%) | 262 | 322 (+22%) |
| 2.0 T 240 BHP 2004-2009 | 240 | 275 (+14%) | 320 | 385 (+20%) |
| Opel Astra J | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.3 Cdti 94 BHP 2009-2015 | 94 | 116 (+23%) | 190 | 236 (+24%) |
| 1.4 Turbo 138 BHP 2009-2015 | 138 | 160 (+15%) | 200 | 250 (+25%) |
| 1.4 Turbo 107 BHP 2009-2015 | In Development | |||
| 1.4 87 BHP 2009-2015 | 87 | 93 (+6%) | 125 | 135 (+8%) |
| 1.4 100 BHP 2009-2015 | 100 | 107 (+7%) | 130 | 138 (+6%) |
| 1.6 114 BHP 2009-2015 | 114 | 120 (+5%) | 160 | 169 (+5%) |
| 1.6 Cdti 110 BHP 2009-2015 | 110 | 138 (+25%) | 300 | 355 (+18%) |
| 1.6 Turbo 177 BHP 2009-2015 | 177 | 197 (+11%) | 260 | 300 (+15%) |
| 1.7 Cdti 109 BHP 2009-2015 | 109 | 121 (+11%) | 260 | 305 (+17%) |
| 1.7 Cdti 123 BHP 2009-2015 | 123 | 148 (+20%) | 280 | 330 (+17%) |
| 1.7 Cdti 129 BHP 2009-2015 | 129 | 154 (+19%) | 300 | 340 (+13%) |
| 2.0 Cdti 158 BHP 2009-2015 | 158 | 183 (+15%) | 350 | 423 (+20%) |
| 2.0 Cdti 162 BHP 2009-2015 | 162 | 196 (+20%) | 350 | 420 (+20%) |
| 2.0 Cdti 192 BHP 2009-2015 | 192 | 224 (+16%) | 400 | 473 (+18%) |
| Opel Astra K | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.0 Turbo 103 BHP 2015 - present | 103 | 125 (+21%) | 170 | 216 (+27%) |
| 1.4 Turbo 123 BHP 2015 - present | 123 | 165 (+34%) | 245 | 298 (+21%) |
| 1.6 CDTI 134 BHP 2015 - present | 134 | 156 (+16%) | 320 | 373 (+16%) |
| 1.6 CDTI 109 BHP 2015 - present | 109 | 133 (+22%) | 300 | 356 (+18%) |
| 1.6 CDTI 94 BHP 2015 - present | 94 | 126 (+34%) | 300 | 354 (+18%) |
Frequently asked questions
How much power does a remap add to an Opel Astra?
Petrol engines gain +2% to +34% power and diesels +11% to +36%. The full figures for each engine are in the tables above.
Which Astra engine gains the most from a remap?
The Astra K 1.4 Turbo gains the most: 123 to 165 bhp (+42 bhp, +34%). Torque rises from 245 to 298 Nm (+21%).
Which Astra generations do you have remap figures for?
We have figures for four generations: the Astra G (1999–2004), Astra H (2004–2009), Astra J (2009–2015) and Astra K (2015–present).
Are remaps available for every Astra engine?
Not yet. One of the 45 engines listed above is still in development. Call our Burnley workshop on 01282 779 000 for an update.
Where can I get my Astra remapped?
Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.
How we develop your remap
Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.
Related:Petrol ECU tuning · Diesel ECU tuning · All Opel remaps · Opel Agila · Opel Antara · Opel Cascada · Opel Combo
Our Products & Services
All of our software, programming and tuning services are designed and built in-house and are designed to enhance your vehicle and bring out it’s pure & true performance potential.
© 2011 - 2026 BHP UK. All rights reserved.